{"id":2130,"date":"2026-09-08T18:19:25","date_gmt":"2026-09-08T10:19:25","guid":{"rendered":"https:\/\/www.jccncmachining.com\/?p=2130"},"modified":"2026-09-07T18:25:18","modified_gmt":"2026-09-07T10:25:18","slug":"um-furo-varias-decisoes-usinagem-de-furos-cnc","status":"publish","type":"post","link":"https:\/\/www.jccncmachining.com\/pt\/blog\/one-hole-several-decisions-cnc-hole-machining\/","title":{"rendered":"Um Furo, V\u00e1rias Decis\u00f5es: Usinagem de Furos CNC"},"content":{"rendered":"<article class=\"blog-post\">\n<p class=\"lead\" style=\"font-size: 20px; line-height: 2em; text-align: left;\">Um furo raramente \u00e9 apenas um di\u00e2metro. <strong>Usinagem de furos CNC<\/strong> pode ser necess\u00e1rio controlar localiza\u00e7\u00e3o, profundidade, retid\u00e3o, acabamento, ajuste, roscas, rebaixos, evacua\u00e7\u00e3o de cavacos e a rela\u00e7\u00e3o entre v\u00e1rios furos. A perfura\u00e7\u00e3o cria uma abertura, mas opera\u00e7\u00f5es de mandrilamento, alargamento, interpola\u00e7\u00e3o e acabamento podem ser necess\u00e1rias para fazer essa abertura funcionar em uma montagem. Este guia organiza a decis\u00e3o e a conecta \u00e0 vis\u00e3o mais ampla <a href=\"https:\/\/www.jccncmachining.com\/pt\/blog\/processo-de-usinagem-cnc\/\" target=\"_blank\" rel=\"noopener\">Vis\u00e3o geral do processo de usinagem CNC<\/a>.<\/p>\n<nav class=\"table-of-contents\" aria-label=\"\u00cdndice\">\n<h2>\u00cdndice<\/h2>\n<ul>\n<li><a href=\"#function\">Comece pelo que o furo deve fazer<\/a><\/li>\n<li><a href=\"#methods\">Perfura\u00e7\u00e3o, mandrilamento, alargamento e interpola\u00e7\u00e3o<\/a><\/li>\n<li><a href=\"#sequence\">Construa a sequ\u00eancia de usinagem<\/a><\/li>\n<li><a href=\"#geometry\">Furos cegos e recursos escalonados<\/a><\/li>\n<li><a href=\"#control\">Controle cavacos, calor e deflex\u00e3o<\/a><\/li>\n<li><a href=\"#inspection\">Toler\u00e2ncia e inspe\u00e7\u00e3o<\/a><\/li>\n<li><a href=\"#design\">Escolhas de projeto para melhores furos<\/a><\/li>\n<li><a href=\"#rfq\">Informa\u00e7\u00f5es para cota\u00e7\u00e3o<\/a><\/li>\n<li><a href=\"#faq\">Perguntas frequentes sobre usinagem de furos CNC<\/a><\/li>\n<\/ul>\n<\/nav>\n<section id=\"function\">\n<h2>Comece pelo que o furo deve fazer<\/h2>\n<p><img decoding=\"async\" width=\"1024\" height=\"576\" loading=\"lazy\" src=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/02-h2-machined-hole-functions-1024x576.webp\" alt=\"machined-hole-functions\" class=\"size-large wp-image-2182 aligncenter\" \/>\n<p style=\"font-size: 20px; line-height: 2em;\" srcset=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/02-h2-machined-hole-functions-1024x576.webp 1024w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/02-h2-machined-hole-functions-300x169.webp 300w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/02-h2-machined-hole-functions-768x432.webp 768w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/02-h2-machined-hole-functions-1536x864.webp 1536w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/02-h2-machined-hole-functions-800x450.webp 800w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/02-h2-machined-hole-functions.webp 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>A rota correta depende da fun\u00e7\u00e3o. Um furo de folga para parafuso n\u00e3o precisa do mesmo processo que um furo de localiza\u00e7\u00e3o alargado, furo de rolamento, passagem de refrigerante ou furo cego roscado.<\/p>\n<ul style=\"font-size: 20px; line-height: 2em;\">\n<li><strong>Folga do fixador:<\/strong> controlar di\u00e2metro, posi\u00e7\u00e3o, dist\u00e2ncia da borda e rebarbas.<\/li>\n<li><strong>Ajuste de localiza\u00e7\u00e3o:<\/strong> controlar tamanho, posi\u00e7\u00e3o, perpendicularidade, cilindricidade e rela\u00e7\u00e3o de datum.<\/li>\n<li><strong>Assento de rolamento ou veda\u00e7\u00e3o:<\/strong> controlar tamanho do furo, circularidade, coaxialidade e acabamento superficial.<\/li>\n<li><strong>Passagem de fluido:<\/strong> planejar evacua\u00e7\u00e3o de cavacos, interse\u00e7\u00f5es, rebarba\u00e7\u00e3o, limpeza e testes.<\/li>\n<\/ul>\n<p style=\"font-size: 20px; line-height: 2em;\">Uma vez que a fun\u00e7\u00e3o esteja clara, o fornecedor pode decidir se a perfura\u00e7\u00e3o \u00e9 suficiente ou se \u00e9 necess\u00e1ria mandrilamento, alargamento, interpola\u00e7\u00e3o ou uma segunda etapa de inspe\u00e7\u00e3o.<\/p>\n<\/section>\n<section id=\"methods\">\n<h2>Perfura\u00e7\u00e3o, mandrilamento, alargamento e interpola\u00e7\u00e3o<\/h2>\n<p><img decoding=\"async\" width=\"1024\" height=\"576\" loading=\"lazy\" src=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/03-h2-hole-machining-methods-1024x576.webp\" alt=\"hole-machining-methods\" class=\"size-large wp-image-2177 aligncenter\" \/>\n<table style=\"width: 100%; border-collapse: collapse; font-size: 18px; line-height: 1.6em;\" srcset=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/03-h2-hole-machining-methods-1024x576.webp 1024w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/03-h2-hole-machining-methods-300x169.webp 300w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/03-h2-hole-machining-methods-768x432.webp 768w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/03-h2-hole-machining-methods-1536x864.webp 1536w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/03-h2-hole-machining-methods-800x450.webp 800w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/03-h2-hole-machining-methods.webp 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\n<thead>\n<tr>\n<th style=\"border: 1px solid #d9e2ec; padding: 10px;\">M\u00e9todo<\/th>\n<th style=\"border: 1px solid #d9e2ec; padding: 10px;\">Melhor uso<\/th>\n<th style=\"border: 1px solid #d9e2ec; padding: 10px;\">Principal quest\u00e3o de planejamento<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Perfura\u00e7\u00e3o<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Cria a abertura inicial<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Tamanho, posi\u00e7\u00e3o, retid\u00e3o e acabamento s\u00e3o adequados?<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Mandrilamento<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Corrige ou amplia um furo existente<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">A configura\u00e7\u00e3o consegue manter o furo alinhado ao datum?<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Alargamento<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Acaba um furo preparado<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">O pr\u00e9-furo est\u00e1 reto e com o tamanho correto?<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Interpola\u00e7\u00e3o circular<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Gera um furo com uma fresa<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">O acesso, a rigidez, o material e o controle da trajet\u00f3ria atendem ao requisito?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size: 20px; line-height: 2em;\">Esses m\u00e9todos podem ser combinados. Uma rota t\u00edpica pode centrar, perfurar pr\u00f3ximo da profundidade e depois alargar ou mandrilar quando a montagem exige uma condi\u00e7\u00e3o final controlada.<\/p>\n<\/section>\n<section id=\"sequence\">\n<h2>Construa a sequ\u00eancia de usinagem<\/h2>\n<ol style=\"font-size: 20px; line-height: 2em;\">\n<li>Estabele\u00e7a o datum que controla a posi\u00e7\u00e3o e a orienta\u00e7\u00e3o.<\/li>\n<li>Prepare a entrada com centragem ou chanfro.<\/li>\n<li>Selecione o comprimento da broca, o refrigerante, a estrat\u00e9gia de pica-pica e a toler\u00e2ncia de profundidade.<\/li>\n<li>Refine com mandrilamento, alargamento, interpola\u00e7\u00e3o, escareamento ou rebaixamento.<\/li>\n<li>Remova rebarbas e cavacos das faces de veda\u00e7\u00e3o, roscas e interse\u00e7\u00f5es.<\/li>\n<li>Inspecione o di\u00e2metro, a profundidade, a posi\u00e7\u00e3o, a orienta\u00e7\u00e3o e a rela\u00e7\u00e3o com o datum.<\/li>\n<\/ol>\n<p style=\"font-size: 20px; line-height: 2em;\">Sequence matters near thin walls and intersecting passages. Preserve stiffness and access until the critical hole is complete.<\/p>\n<\/section>\n<section id=\"geometry\">\n<h2>Furos cegos e recursos escalonados<\/h2>\n<p><img decoding=\"async\" width=\"1024\" height=\"576\" loading=\"lazy\" src=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/04-h2-blind-through-holes-1024x576.webp\" alt=\"blind-through-holes\" class=\"size-large wp-image-2178 aligncenter\" \/>\n<p style=\"font-size: 20px; line-height: 2em;\" srcset=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/04-h2-blind-through-holes-1024x576.webp 1024w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/04-h2-blind-through-holes-300x169.webp 300w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/04-h2-blind-through-holes-768x432.webp 768w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/04-h2-blind-through-holes-1536x864.webp 1536w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/04-h2-blind-through-holes-800x450.webp 800w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/04-h2-blind-through-holes.webp 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>Through holes provide an exit for chips and coolant; blind holes need a controlled bottom condition and a strategy for chip removal. Usable depth may be less than drill depth because of the drill point, chamfer, thread runout, or bottom clearance.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; font-size: 18px; line-height: 1.6em;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #d9e2ec; padding: 10px;\">Feature<\/th>\n<th style=\"border: 1px solid #d9e2ec; padding: 10px;\">Risk<\/th>\n<th style=\"border: 1px solid #d9e2ec; padding: 10px;\">Define on drawing<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Through hole<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Exit burr and breakthrough damage<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Exit edge, deburring, position, diameter<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Blind hole<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Chip packing and uncertain usable depth<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Total depth, usable depth, bottom form, cleanliness<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Counterbore or countersink<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Seat depth and coaxiality<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Standard, diameter, angle or depth<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section id=\"control\">\n<h2>Controle cavacos, calor e deflex\u00e3o<\/h2>\n<p><img decoding=\"async\" width=\"1024\" height=\"576\" loading=\"lazy\" src=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/05-h2-deep-hole-chip-control-1024x576.webp\" alt=\"deep-hole-chip-control\" class=\"size-large wp-image-2179 aligncenter\" \/>\n<p style=\"font-size: 20px; line-height: 2em;\" srcset=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/05-h2-deep-hole-chip-control-1024x576.webp 1024w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/05-h2-deep-hole-chip-control-300x169.webp 300w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/05-h2-deep-hole-chip-control-768x432.webp 768w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/05-h2-deep-hole-chip-control-1536x864.webp 1536w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/05-h2-deep-hole-chip-control-800x450.webp 800w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/05-h2-deep-hole-chip-control.webp 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>As diameter decreases, depth increases, or material becomes more ductile or abrasive, the tool has less room to carry chips out. Recutting chips can create heat, wear, poor finish, or tool breakage.<\/p>\n<ul style=\"font-size: 20px; line-height: 2em;\">\n<li>Use pecking or chip breaking when depth and material require it.<\/li>\n<li>Deliver coolant or air where it can evacuate chips.<\/li>\n<li>Keep tool reach and runout under control.<\/li>\n<li>Use rigid workholding and preserve support around the hole.<\/li>\n<li>Plan cleaning for blind, intersecting, or fluid-channel features.<\/li>\n<\/ul>\n<p style=\"font-size: 20px; line-height: 2em;\">There is no universal maximum drilling depth: the practical limit depends on diameter, ratio, tool, material, machine, coolant, tolerance, and hole condition.<\/p>\n<\/section>\n<section id=\"inspection\">\n<h2>Toler\u00e2ncia e inspe\u00e7\u00e3o<\/h2>\n<p><img decoding=\"async\" width=\"1024\" height=\"576\" loading=\"lazy\" src=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/06-h2-hole-tolerance-inspection-1024x576.webp\" alt=\"hole-tolerance-inspection\" class=\"size-large wp-image-2180 aligncenter\" \/>\n<p style=\"font-size: 20px; line-height: 2em;\" srcset=\"https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/06-h2-hole-tolerance-inspection-1024x576.webp 1024w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/06-h2-hole-tolerance-inspection-300x169.webp 300w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/06-h2-hole-tolerance-inspection-768x432.webp 768w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/06-h2-hole-tolerance-inspection-1536x864.webp 1536w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/06-h2-hole-tolerance-inspection-800x450.webp 800w, https:\/\/www.jccncmachining.com\/wp-content\/uploads\/2026\/09\/06-h2-hole-tolerance-inspection.webp 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>A hole can have the correct diameter and still fail because it is misplaced, tilted, tapered, rough, or too shallow. Inspection should follow the feature control frame and mating function.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; font-size: 18px; line-height: 1.6em;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #d9e2ec; padding: 10px;\">Characteristic<\/th>\n<th style=\"border: 1px solid #d9e2ec; padding: 10px;\">Por que isso importa<\/th>\n<th style=\"border: 1px solid #d9e2ec; padding: 10px;\">Possible inspection<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Diameter and fit<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Clearance, interference, sealing, or locating<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Pin gauge, bore gauge, micrometer, or CMM<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Position<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Assembly alignment and bolt-pattern function<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Datum-based CMM or coordinate inspection<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Depth and bottom<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Thread engagement or fastener clearance<\/td>\n<td style=\"border: 1px solid #d9e2ec; padding: 10px;\">Depth gauge, probe, or CMM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size: 20px; line-height: 2em;\">Measure the hole from the part datum and its mating feature, not only from an arbitrary edge. The <a href=\"https:\/\/www.jccncmachining.com\/pt\/sobre\/qualidade\/\" target=\"_blank\" rel=\"noopener\">CNC quality information<\/a> can support discussion of reports and measurement requirements.<\/p>\n<\/section>\n<section id=\"design\">\n<h2>Escolhas de projeto para melhores furos<\/h2>\n<ul style=\"font-size: 20px; line-height: 2em;\">\n<li>Use standard drill, reamer, and thread sizes where function allows.<\/li>\n<li>Provide a stable entry face and enough edge distance.<\/li>\n<li>Define blind-hole usable depth separately from total depth.<\/li>\n<li>Avoid tight holes next to unsupported thin walls unless required.<\/li>\n<li>State whether a hole is clearance, locating, bearing, sealing, fluid, or threaded.<\/li>\n<li>Specify deburring and cleanliness for internal features.<\/li>\n<\/ul>\n<p style=\"font-size: 20px; line-height: 2em;\">These choices make the requirement easier to manufacture, inspect, and communicate without weakening the design intent.<\/p>\n<\/section>\n<section id=\"rfq\">\n<h2>Informa\u00e7\u00f5es para cota\u00e7\u00e3o<\/h2>\n<ol style=\"font-size: 20px; line-height: 2em;\">\n<li>Current 3D model and 2D drawing with callouts, datums, and revision.<\/li>\n<li>Hole type, diameter, depth, fit, position, orientation, thread, and surface requirements.<\/li>\n<li>Material grade, condition, thickness, quantity, and prototype or production status.<\/li>\n<li>Deburring, cleaning, pressure, leak, coating, and assembly requirements.<\/li>\n<li>Inspection report, first article, sampling, traceability, and packaging expectations.<\/li>\n<\/ol>\n<\/section>\n<section id=\"faq\">\n<h2>Perguntas frequentes sobre usinagem de furos CNC<\/h2>\n<h3>What is the difference between drilling, boring, and reaming?<\/h3>\n<p style=\"font-size: 20px; line-height: 2em;\">Drilling creates the initial hole, boring enlarges or corrects it, and reaming removes a controlled final allowance to improve size and surface condition.<\/p>\n<h3>When does a drilled hole need reaming?<\/h3>\n<p style=\"font-size: 20px; line-height: 2em;\">Consider reaming when the final size and finish must be more controlled than the drilling route can reliably provide.<\/p>\n<h3>How are deep holes kept accurate?<\/h3>\n<p style=\"font-size: 20px; line-height: 2em;\">Accuracy depends on depth ratio, tool rigidity, guidance, coolant, chip evacuation, machine condition, material, and inspection.<\/p>\n<h3>Why can a hole be the right size but still fail?<\/h3>\n<p style=\"font-size: 20px; line-height: 2em;\">It may be misplaced, tilted, tapered, rough, too shallow, or not aligned with the datum or mating feature.<\/p>\n<h3>What should be specified for a blind hole?<\/h3>\n<p style=\"font-size: 20px; line-height: 2em;\">Specify diameter, usable and total depth, bottom condition, thread or fit, position, chamfer, burr limits, cleanliness, and mating clearance.<\/p>\n<\/section>\n<p style=\"font-size: 20px; line-height: 2em;\">Effective CNC hole machining starts with the part\u2019s function and ends with evidence that the hole will assemble, seal, locate, carry a fastener, or carry a fluid as intended. Separating drilling, refining, deburring, cleaning, and inspection decisions prevents a simple diameter callout from hiding a difficult manufacturing requirement.<\/p>\n<\/article>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"BlogPosting\",\n    \"headline\": \"One Hole, Several Decisions: CNC Hole Machining\",\n    \"author\": {\n        \"@type\": \"Organization\",\n        \"name\": \"JUCHENG CNC Machining\"\n    },\n    \"publisher\": {\n        \"@type\": \"Organization\",\n        \"name\": \"JUCHENG CNC Machining\"\n    },\n    \"description\": \"A practical CNC hole machining guide covering drilling, boring, reaming, deep holes, tolerances, inspection, and design decisions.\"\n}<\/script><\/p>","protected":false},"excerpt":{"rendered":"<p>A hole is rarely just a diameter. CNC hole machining may need to control location, depth, straightness, finish, fit, threads, countersinks, chip evacuation, and the relationship between several holes. Drilling creates an opening, but boring, reaming, interpolation, and finishing operations may be needed to make that opening function in an assembly. This guide organizes the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2181,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2130","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/posts\/2130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/comments?post=2130"}],"version-history":[{"count":1,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/posts\/2130\/revisions"}],"predecessor-version":[{"id":2191,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/posts\/2130\/revisions\/2191"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/media\/2181"}],"wp:attachment":[{"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/media?parent=2130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/categories?post=2130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/pt\/wp-json\/wp\/v2\/tags?post=2130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}