{"id":31939,"date":"2026-04-22T09:46:57","date_gmt":"2026-04-22T09:46:57","guid":{"rendered":"https:\/\/www.sundicuttingtools.com\/?p=31939"},"modified":"2026-04-22T09:47:56","modified_gmt":"2026-04-22T09:47:56","slug":"blind-holes-the-expert-guide-to-drilling-and-tapping","status":"publish","type":"post","link":"https:\/\/www.sundicuttingtools.com\/pt\/news\/technology-articles\/blind-holes-the-expert-guide-to-drilling-and-tapping\/","title":{"rendered":"Furos cegos: O Guia do Especialista em Perfura\u00e7\u00e3o e Rosqueamento"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"31939\" class=\"elementor elementor-31939\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3f5823fe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3f5823fe\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7860ee5e\" data-id=\"7860ee5e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7a8efab8 elementor-widget elementor-widget-spacer\" data-id=\"7a8efab8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40cc383a elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"40cc383a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Blind Holes: The Expert Guide to Drilling and Tapping<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-15b27c03 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"15b27c03\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-3f69ef9c\" data-id=\"3f69ef9c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-118dc519 elementor-widget elementor-widget-text-editor\" data-id=\"118dc519\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A blind hole is a hole that does not break through the opposite side of a workpiece. You find them in engines and electronics where a smooth back surface is needed. They act as a pocket for screws or pins. This guide shows you how to drill and tap them without breaking tools.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-48374ade elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"48374ade\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-3ecb3d20\" data-id=\"3ecb3d20\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-79af6977 elementor-widget__width-initial elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"79af6977\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;marker_view&quot;:&quot;bullets&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0,&quot;sizes&quot;:[]},&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;icon&quot;:{&quot;value&quot;:&quot;fas fa-circle&quot;,&quot;library&quot;:&quot;fa-solid&quot;},&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<div class=\"elementor-toc__header-title\">\n\t\t\t\t Contents\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__79af6977\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__79af6977\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__79af6977\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6d1af7cc\" data-id=\"6d1af7cc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7fa0f6f1 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"7fa0f6f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"650\" src=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Blind-Holes-1024x832.webp\" class=\"attachment-large size-large wp-image-31926\" alt=\"Blind Holes\" srcset=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Blind-Holes-1024x832.webp 1024w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Blind-Holes-300x244.webp 300w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Blind-Holes-768x624.webp 768w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Blind-Holes-1536x1248.webp 1536w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Blind-Holes-2048x1664.webp 2048w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Blind-Holes-15x12.webp 15w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-635ddf93 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"635ddf93\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-1c780b1\" data-id=\"1c780b1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1907b436 elementor-widget elementor-widget-heading\" data-id=\"1907b436\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is a Blind Hole?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25a7e3 elementor-widget elementor-widget-text-editor\" data-id=\"25a7e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>First, you need to understand the basics. It just means a hole with a bottom. Unlike a through hole, you cannot see the light at the end of the tunnel. Why do we use them? It is a helpful way to keep the back of your part clean and untouched. Do you know? Most engine blocks are full of these. They allow for strong clamping without leaks.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1c427815 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1c427815\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-4d58376b\" data-id=\"4d58376b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-66a1aed5 elementor-widget elementor-widget-heading\" data-id=\"66a1aed5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How to Drill Blind Holes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31213755 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"31213755\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"650\" src=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/drilling-Blind-Holes-1024x832.webp\" class=\"attachment-large size-large wp-image-31937\" alt=\"\" srcset=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/drilling-Blind-Holes-1024x832.webp 1024w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/drilling-Blind-Holes-300x244.webp 300w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/drilling-Blind-Holes-768x624.webp 768w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/drilling-Blind-Holes-1536x1248.webp 1536w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/drilling-Blind-Holes-2048x1664.webp 2048w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/drilling-Blind-Holes-15x12.webp 15w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23d65035 elementor-widget elementor-widget-text-editor\" data-id=\"23d65035\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Originally, you might think it is just like any other drilling job. Not so great. You should generally avoid just plunging in. First, of course, you must mark your center point accurately.<\/p><p>Then, you should choose your <a href=\"https:\/\/www.sundicuttingtools.com\/products\/pcd-drill-tools\/\">drill bit<\/a>. A standard<a href=\"https:\/\/www.sundicuttingtools.com\/products\/carbide-drills\/\"> twist drill<\/a> has a pointed tip. This means the bottom of your hole will be cone-shaped. You will need to account for this extra depth. Next, set your machine. On a manual mill, use the depth stop. If you are doing cnc blind holes, you will use a G83 peck drilling cycle.<\/p><p>This often just stops the drill from getting too hot. After a few plunges, the drill pulls back. This clears out the metal chips. After awhile, the chips can pack at the bottom and snap your bit. Best way to do this is to clear the hole often.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-4d3acf65 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4d3acf65\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-96abba5\" data-id=\"96abba5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-13f49223 elementor-widget elementor-widget-heading\" data-id=\"13f49223\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Managing Blind Hole Depth<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d0b19cc elementor-widget elementor-widget-text-editor\" data-id=\"2d0b19cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>How deep should you go? This can be a useful question when you are designing a part. In terms of engineering, you need to leave room at the bottom. You should be able to fit the bolt and some extra space.<\/p><ul><li><b><\/b><strong><b>Total depth:<\/b><\/strong>The distance from the top to the very tip of the drill.<\/li><li><b><\/b><strong><b>Effective depth:<\/b><\/strong>The usable part of the hole that has the full diameter.<\/li><li><b><\/b><strong><b>Thread depth:<\/b><\/strong>The part that actually has threads.<\/li><\/ul><p>Sure, you might want to save space. But if you do not leave a gap, the bolt will bottom out. This can strip the threads. You prefer a gap of at least two or three extra thread pitches.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-6d5a8070 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6d5a8070\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-79bedc23\" data-id=\"79bedc23\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7b0b2990 elementor-widget elementor-widget-heading\" data-id=\"7b0b2990\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tapping Blind Holes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21f4b504 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"21f4b504\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"650\" src=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-blind-holes-2-1024x832.webp\" class=\"attachment-large size-large wp-image-31936\" alt=\"Tapping blind hole\" srcset=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-blind-holes-2-1024x832.webp 1024w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-blind-holes-2-300x244.webp 300w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-blind-holes-2-768x624.webp 768w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-blind-holes-2-1536x1248.webp 1536w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-blind-holes-2-2048x1664.webp 2048w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-blind-holes-2-15x12.webp 15w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51daa7b4 elementor-widget elementor-widget-text-editor\" data-id=\"51daa7b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Tapping is where the real trouble starts. Tapping blind holes is risky because the tool can strike the bottom. When a tap hits the floor, it usually breaks. You would rather use a spiral flute tap for this. These tools look like a screw and pull the metal chips up and out of the hole.<\/p><p>Next, choose your tap style.<\/p><ol><li><b><\/b><strong><b>Taper Taps:<\/b><\/strong>These have a long lead. You should generally avoid these for blind holes.<\/li><li><b><\/b><strong><b>Plug Taps:<\/b><\/strong>Better, but still leave a few unfinished threads at the bottom.<\/li><li><b><\/b><strong><b>Bottoming Taps:<\/b><\/strong>These have almost no lead. You can then use these to get threads very close to the floor.<\/li><\/ol><p>After that, apply plenty of oil. Without it, the friction will be too high. Then, turn the tap slowly. If you feel it get tight, stop. No way to know if you are about to snap it unless you feel the resistance. Same as always, patience is better than a broken tool in a part.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3df15668 elementor-widget elementor-widget-heading\" data-id=\"3df15668\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Precision with a Blind Hole Cutter<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1951007 elementor-widget elementor-widget-text-editor\" data-id=\"1951007\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sometimes a standard drill is not enough. You might need a flat bottom. A blind hole cutter or a<a href=\"https:\/\/www.sundicuttingtools.com\/products\/carbide-drill\/flat-bottom-drill\/\"> flat-bottom drill<\/a> can make the floor level. This is vital if you are putting a spring or a bearing inside.<\/p><p>First \u00b7 In the beginning, you use a normal drill to get most of the material out. Then \u00b7 In turn, you use the flat cutter to finish the bottom. After that \u00b7 Second, check the flatness. You will need a clean surface for the next part of your assembly.<\/p><p>For applications requiring ultra-smooth finishes and tight dimensional accuracy,<a href=\"https:\/\/www.sundicuttingtools.com\/products\/pcd-reamer\/\">\u00a0PCD reamers<\/a> and<a href=\"https:\/\/www.sundicuttingtools.com\/products\/carbide-reamer\/\"> carbide reamers<\/a>\u00a0are often used to finish blind holes after drilling, ensuring consistent hole quality and improved thread performance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6bbc0e42 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"6bbc0e42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"650\" src=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/reaming-Blind-Holes-1024x832.webp\" class=\"attachment-large size-large wp-image-31934\" alt=\"\" srcset=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/reaming-Blind-Holes-1024x832.webp 1024w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/reaming-Blind-Holes-300x244.webp 300w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/reaming-Blind-Holes-768x624.webp 768w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/reaming-Blind-Holes-1536x1248.webp 1536w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/reaming-Blind-Holes-2048x1664.webp 2048w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/reaming-Blind-Holes-15x12.webp 15w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-782053c6 elementor-widget elementor-widget-heading\" data-id=\"782053c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Measuring Blind Holes<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50ba39e3 elementor-widget elementor-widget-text-editor\" data-id=\"50ba39e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>How do you know it is right? You cannot see the bottom clearly. So, asking this question can help you get the right tool. You will need a blind hole gage. This is a tool that expands inside the hole.<\/p><ol><li><b><\/b><strong><b>Blind Hole Micrometer:<\/b><\/strong>This has three anvils that touch the walls. It gives you a very exact size.<\/li><li><b><\/b><strong><b>Blind Hole Depth Gage:<\/b><\/strong>This is a simple rod that measures from the top surface to the floor.<\/li><li><b><\/b><strong><b>Thread Plug Gage:<\/b><\/strong>Use this to check if your blind hole threads are deep enough.<\/li><\/ol><p>Until then, you might just guess. Do not do that. Inspect blind holes every time you finish a batch. Later, you might find that a small change in tool wear made the holes too shallow.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-996be4f elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"996be4f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"650\" src=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-Blind-Holes-1024x832.webp\" class=\"attachment-large size-large wp-image-31932\" alt=\"\" srcset=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-Blind-Holes-1024x832.webp 1024w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-Blind-Holes-300x244.webp 300w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-Blind-Holes-768x624.webp 768w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-Blind-Holes-1536x1248.webp 1536w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-Blind-Holes-2048x1664.webp 2048w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2025\/11\/Tapping-Blind-Holes-15x12.webp 15w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-2299ca19 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2299ca19\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-6642b40b\" data-id=\"6642b40b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8914dc1 elementor-widget elementor-widget-heading\" data-id=\"8914dc1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">CNC and Milling Strategies<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12d162db elementor-widget elementor-widget-text-editor\" data-id=\"12d162db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Milling blind holes on a machine requires a different plan. You can use an <a href=\"https:\/\/www.sundicuttingtools.com\/products\/pcd-milling-tools-end-mills\/\">end mill<\/a> to create the hole. This creates a flat bottom automatically. But, end mills are not always the best way to do this for deep holes.<\/p><p>Next, consider the<a href=\"https:\/\/www.jarviscuttingtools.com\/news\/understanding-helical-flute-taps-applications-and-benefits\" target=\"_blank\" rel=\"noopener\"> helical blind hole tap<\/a> for your CNC. It works fast. But make sure your programming is perfect. One wrong number in the Z-axis and the machine will drive the tap through the floor. Consequently, always dry run your code.<\/p><p>Meanwhile, use air or high-pressure coolant. This blows the chips out as you work. Soon, you will see that clear holes lead to better threads. After a few parts, check your tool for wear. Steel is harder on tools than aluminum, so you have to watch closely.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-380e2673 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"380e2673\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-2b949db5\" data-id=\"2b949db5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-63faa92d elementor-widget elementor-widget-heading\" data-id=\"63faa92d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Material Specifics<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73e6e86b elementor-widget elementor-widget-text-editor\" data-id=\"73e6e86b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In terms of the material, aluminum is easy to work with but sticky. It can clog your m6 blind hole tap. You should generally avoid dry tapping. Use a specific fluid for aluminum. On the other hand, steel requires more force. You will need a tougher tap, such as the type made from cobalt or high-speed steel.<\/p><p>Also, think about how the metal acts. Some metals are soft. They might deform if the hole is too close to the edge. Note that you want to always want enough wall thickness. If the wall is too thin, the pressure of drilling blind holes might bulge the outside of your part.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62299d9f elementor-widget elementor-widget-heading\" data-id=\"62299d9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Common Problems<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50fdcd45 elementor-widget elementor-widget-text-editor\" data-id=\"50fdcd45\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>What happens when things go wrong? It is usually one of three things:<\/p><ul><li><b><\/b><strong><b>Chip Packing:<\/b><\/strong>The hole fills with metal. The drill cannot go deeper and snaps.<\/li><li><b><\/b><strong><b>Bottoming Out:<\/b><\/strong>The tap strikes the floor.<\/li><li><b><\/b><strong><b>Overheating:<\/b><\/strong>The drill gets too hot because the coolant cannot reach the bottom.<\/li><\/ul><p>So, aside from the tools, your process is what makes it work. Further, always keep your tools sharp. A dull drill creates more heat and more trouble.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-7012895 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7012895\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-796fff94\" data-id=\"796fff94\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7fb1c5af elementor-widget elementor-widget-heading\" data-id=\"7fb1c5af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Troubleshooting Tips<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93cb1c5 elementor-widget elementor-widget-text-editor\" data-id=\"93cb1c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Second, if a tap breaks, do not panic. You can use an extractor. But it is better to not break it at all. How often do you check your depths? Frequently, I hope. Moreover, using a vacuum to suck out chips is a helpful trick. This can be a useful question to ask: is the hole clean? If not, do not put a tap in it.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1bad3740 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1bad3740\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-48d5e508\" data-id=\"48d5e508\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2b9b217d elementor-widget elementor-widget-heading\" data-id=\"2b9b217d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Final Inspection<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e9dbf45 elementor-widget elementor-widget-text-editor\" data-id=\"6e9dbf45\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Finally, make sure to clean the hole before you measure. Use compressed air. Just make sure you wear safety glasses. After that, use your measuring blind holes tools. If the thread plug gage goes in to the right depth, you are good.<\/p><p>At the onset, this might seem like a lot of work for a simple hole. But the details decide if your part is a success or scrap. Use the right blind hole depth gage and take your time. This often just separates the pros from the amateurs.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-6a70165c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6a70165c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-1b61ed0e\" data-id=\"1b61ed0e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-603d701d elementor-widget elementor-widget-heading\" data-id=\"603d701d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31e1da80 elementor-widget elementor-widget-text-editor\" data-id=\"31e1da80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Blind holes are vital for clean, strong designs in machining. You must manage depth and chip removal to avoid breaking tools. Using the right spiral taps and gages ensures your threads are accurate. Always prioritize clearing chips and checking your measurements to keep your production smooth and your parts high quality.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-7c60e87e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7c60e87e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-3cf12cb1\" data-id=\"3cf12cb1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7e823981 elementor-widget elementor-widget-heading\" data-id=\"7e823981\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75aa0547 elementor-widget elementor-widget-heading\" data-id=\"75aa0547\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What makes a blind hole different from a through hole?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b054108 elementor-widget elementor-widget-text-editor\" data-id=\"3b054108\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A blind hole has a bottom while a through hole goes all the way through the part. This often just means you cannot see light at the end of it. Do you know? This makes removing metal chips much harder. Consequently, you must be more careful with your tools so they do not snap.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4777ec81 elementor-widget elementor-widget-heading\" data-id=\"4777ec81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How do you calculate blind hole depth? <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c4c87e5 elementor-widget elementor-widget-text-editor\" data-id=\"6c4c87e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>First, you need to measure the space for the screw. Then, you should add extra room for the tip of the drill and the metal chips. After a few tries, you will see that a deep hole is safer than a shallow one.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b0ab9d8 elementor-widget elementor-widget-heading\" data-id=\"2b0ab9d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Can you use a standard tap for blind holes? <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f15b3c2 elementor-widget elementor-widget-text-editor\" data-id=\"1f15b3c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>You should generally avoid using a standard taper tap. It is a helpful rule to use a spiral flute tap instead. Best way to do this is to pull the chips up and out of the hole. If you use a normal tap, the chips will get stuck at the bottom. No way to know if it will break until it is too late.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-469c7e93 elementor-widget elementor-widget-heading\" data-id=\"469c7e93\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What is the best way to measure a blind hole? <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5733a691 elementor-widget elementor-widget-text-editor\" data-id=\"5733a691\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>You might use a simple ruler. Not so great. You should use a blind hole depth gage or a micrometer. These tools give you the exact size of the hole. Then, you should check the threads with a plug gage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2de53e20 elementor-widget elementor-widget-heading\" data-id=\"2de53e20\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Why do drills and taps break in these holes?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13cc4fe4 elementor-widget elementor-widget-text-editor\" data-id=\"13cc4fe4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0It is usually because of chip packing. After awhile, the metal bits have nowhere to go. They jam the tool. Then, the tool snaps. Another reason is reaching the bottom too fast. You will need to slow down as you get close to the floor. Why take the risk? Use plenty of oil and clear the hole often.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-37ca8b63 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"37ca8b63\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-2e444d0f\" data-id=\"2e444d0f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6bf771e1\" data-id=\"6bf771e1\" data-element_type=\"column\" 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APPLICATION\t\t\t\t\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a class=\"bdt-fancy-list-wrap\" href=\"https:\/\/www.sundicuttingtools.com\/products\/products-milling\/\">\t\t\t\t\t\t<div class=\"bdt-flex flex-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"bdt-fancy-list-img\">\n\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Milling-2-300x300.png\" class=\"attachment-medium size-medium\" alt=\"MILLING APPLICATION\" srcset=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Milling-2.png 300w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Milling-2-150x150.png 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"bdt-fancy-list-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"bdt-fancy-list-title\">\n\t\t\t\t\t\t\t\t\t\t\tMILLING APPLICATION\t\t\t\t\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a class=\"bdt-fancy-list-wrap\" href=\"https:\/\/www.sundicuttingtools.com\/products\/products-drilling\/\">\t\t\t\t\t\t<div class=\"bdt-flex flex-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"bdt-fancy-list-img\">\n\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Drilling-2-300x300.png\" class=\"attachment-medium size-medium\" alt=\"DRILLING APPLICATION\" srcset=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Drilling-2.png 300w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Drilling-2-150x150.png 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"bdt-fancy-list-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"bdt-fancy-list-title\">\n\t\t\t\t\t\t\t\t\t\t\tDRILLING APPLICATION\t\t\t\t\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a class=\"bdt-fancy-list-wrap\" href=\"https:\/\/www.sundicuttingtools.com\/products\/products-reamer\/\">\t\t\t\t\t\t<div class=\"bdt-flex flex-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"bdt-fancy-list-img\">\n\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Reamer-2-300x300.png\" class=\"attachment-medium size-medium\" alt=\"REAMING APPLICATION\" srcset=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Reamer-2.png 300w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Reamer-2-150x150.png 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"bdt-fancy-list-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"bdt-fancy-list-title\">\n\t\t\t\t\t\t\t\t\t\t\tREAMING APPLICATION\t\t\t\t\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a class=\"bdt-fancy-list-wrap\" href=\"https:\/\/www.sundicuttingtools.com\/products\/products-custom-made\/\">\t\t\t\t\t\t<div class=\"bdt-flex flex-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"bdt-fancy-list-img\">\n\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Diamond-Dresser-2-1-300x300.png\" class=\"attachment-medium size-medium\" alt=\"CUSTOM MADE TOOLS\" srcset=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Diamond-Dresser-2-1.png 300w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Diamond-Dresser-2-1-150x150.png 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"bdt-fancy-list-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"bdt-fancy-list-title\">\n\t\t\t\t\t\t\t\t\t\t\tCUSTOM MADE TOOLS\t\t\t\t\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t<a class=\"bdt-fancy-list-wrap\" href=\"https:\/\/www.sundicuttingtools.com\/products\/products-wood-working\/\">\t\t\t\t\t\t<div class=\"bdt-flex flex-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"bdt-fancy-list-img\">\n\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Wood-2-300x300.png\" class=\"attachment-medium size-medium\" alt=\"WOOD WORKING\" srcset=\"https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Wood-2.png 300w, https:\/\/www.sundicuttingtools.com\/wp-content\/uploads\/2023\/04\/Wood-2-150x150.png 150w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"bdt-fancy-list-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h4 class=\"bdt-fancy-list-title\">\n\t\t\t\t\t\t\t\t\t\t\tWOOD WORKING\t\t\t\t\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-2fe2ff97 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2fe2ff97\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;],&quot;sticky_offset&quot;:150,&quot;background_background&quot;:&quot;classic&quot;,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-561a2cca\" data-id=\"561a2cca\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2eeaaaae elementor-widget elementor-widget-heading\" data-id=\"2eeaaaae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title 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You find them in engines and electronics where a smooth back surface is needed. They act as a pocket for screws or pins. This guide shows you how to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":31926,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[397],"tags":[],"class_list":["post-31939","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology-articles"],"_links":{"self":[{"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/posts\/31939","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/comments?post=31939"}],"version-history":[{"count":5,"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/posts\/31939\/revisions"}],"predecessor-version":[{"id":31946,"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/posts\/31939\/revisions\/31946"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/media\/31926"}],"wp:attachment":[{"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/media?parent=31939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/categories?post=31939"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sundicuttingtools.com\/pt\/wp-json\/wp\/v2\/tags?post=31939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}