{"id":2324,"date":"2026-08-15T00:00:00","date_gmt":"2026-08-15T00:00:00","guid":{"rendered":"https:\/\/onpowbutton.com\/news\/half-inch-push-button-cutout-space-guide\/"},"modified":"2026-08-15T04:37:06","modified_gmt":"2026-08-15T04:37:06","slug":"half-inch-push-button-cutout-space-guide","status":"publish","type":"post","link":"https:\/\/onpowbutton.com\/es\/news\/half-inch-push-button-cutout-space-guide\/","title":{"rendered":"1\/2 Inch Push Button Cutouts: Confirm the Drawing and Panel Space"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\">A <strong>1\/2 inch push button switch<\/strong> should be selected from its mounting drawing, not from the nominal size alone. One half inch equals 12.7 mm, yet that conversion does not identify the required cutout, thread, shank length, tolerance, or rear clearance. Confirm those mechanical fields before releasing a panel drawing or ordering a replacement operator.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"ONPOW metal push-button enclosures for reviewing half-inch cutout spacing\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-featured.webp\" \/><\/figure>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 id=\"contents\" style=\"margin:42px 0 14px;scroll-margin-top:96px\">Contents<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-1-read-the-half-inch-label-as-a-drawing-question\">Part 1. Read the half-inch label as a drawing question<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-2-convert-1-2-in-without-choosing-a-hole-by-arithmetic\">Part 2. Convert 1\/2 in without choosing a hole by arithmetic<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-3-separate-cutout-shank-thread-and-bezel-dimensions\">Part 3. Separate cutout, shank, thread, and bezel dimensions<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-4-review-panel-thickness-layout-and-rear-space-together\">Part 4. Review panel thickness, layout, and rear space together<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-5-send-the-mounting-fields-that-prevent-fit-rework\">Part 5. Send the mounting fields that prevent fit rework<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"#part-6-use-onpow-metal-push-buttons-after-the-drawing-is-confirmed\">Part 6. Use ONPOW metal push buttons after the drawing is confirmed<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-1-read-the-half-inch-label-as-a-drawing-question\">Part 1. Read the half-inch label as a drawing question<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">A half-inch label can appear beside a mounting hole, a threaded body, a nominal family, or a dimensional reference in a component listing. Those descriptions are easy to confuse because they all concern the same small panel-mounted assembly. They do not give the fabricator the same instruction.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Start by locating the dimension in a sectional drawing. A true mounting-hole callout normally identifies the opening and its tolerance, while a thread callout identifies the fastening interface. The outer head or bezel usually needs a separate clearance check against adjacent buttons, labels, and panel edges.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">What the listing could mean<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Drawing field to locate<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Decision affected<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Panel opening<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nominal hole and tolerance<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Punch or drill size<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Threaded body<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thread designation and usable thread length<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nut and panel-thickness fit<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Head or bezel<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Outside diameter and front clearance<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Operator spacing and legend area<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">General family name<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Dimensioned front and side views<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Whether a product can enter review<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">The label becomes useful only after the drawing shows which feature it describes. If the requirement began as a legacy spare-part note, record whether \u201c1\/2 inch\u201d came from the old hole, the old thread, or a supplier description. That avoids replacing an old part with a visually similar operator that cannot be mounted.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-convert-1-2-in-without-choosing-a-hole-by-arithmetic\">Part 2. Convert 1\/2 in without choosing a hole by arithmetic<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Half an inch converts to 12.7 mm. That figure helps a global team reconcile an imperial drawing with a metric bill of materials, but it does not specify a production cutout. A nearby 12 mm, 12.5 mm, or 13 mm product family is not automatically a mechanical substitute.<\/p>\n<blockquote>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Important:<\/strong> A unit conversion cannot supply a mounting tolerance or a thread specification. The <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/www.bipm.org\/en\/measurement-units\/si-base-units\" target=\"_blank\" rel=\"noopener\">BIPM SI base-units reference<\/a> gives the international SI length context; the chosen manufacturer drawing remains the source for the final panel opening.<\/p>\n<\/blockquote>\n<p style=\"margin:0 0 16px;line-height:1.7\">Rounding can create two different risks. An opening that is too small prevents assembly or damages the finish during installation. An opening that is too large can reduce retention, compromise a gasket arrangement, or leave an unacceptable visible gap around the operator.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Dimension statement<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">What it tells the buyer<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">What still needs confirmation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">1\/2 in<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">The nominal imperial expression<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Which product feature uses that dimension<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">12.7 mm<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">The exact length conversion<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Hole tolerance and tooling process<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u201c12 mm mounting\u201d<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">A stated product family<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Compatibility with the legacy opening<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thread callout<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">A fastening-interface designation<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Bezel clearance and rear terminal space<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">For a smaller metric panel concept, the <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/onpowbutton.com\/es\/news\/8mm-push-button-switch-selection-guide\/\">8 mm push button switch selection guide<\/a> covers a separate compact family. It should not be used to justify an unverified conversion from a half-inch mounting requirement.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-separate-cutout-shank-thread-and-bezel-dimensions\">Part 3. Separate cutout, shank, thread, and bezel dimensions<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">The cutout is the panel opening. The shank is the body portion that passes through it. A thread describes how a nut or other fastening part engages that body, while a bezel is the visible front feature that can be wider than the opening.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"ONPOW metal push buttons showing mounting bodies and rear connections\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-drawing.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">Read every dimension alongside its leader line and view direction. <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/support.rockwellautomation.com\/app\/answers\/answer_view\/a_id\/1133678\/~\/pushbutton-diameter-measurement-size-and-what-they-mean-\" target=\"_blank\" rel=\"noopener\">Rockwell Automation\u2019s explanation of what a named pushbutton diameter represents<\/a> is useful context: a diameter label requires an explicit reference point. It does not replace an outline drawing for the selected part.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">The drawing should also show any locating tab, keyway, sealing washer, or anti-rotation feature. These details can make a round-looking operator unsuitable for a plain round hole. Ask whether paint, powder coating, labels, films, or a front gasket are included in the stated panel-thickness range.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-review-panel-thickness-layout-and-rear-space-together\">Part 4. Review panel thickness, layout, and rear space together<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">If a panel has enough front-face room, the fit can still fail behind the door. Contact blocks, connectors, wire bend radius, strain relief, support brackets, and door-close clearance all consume space. Review them in the same drawing session as the hole and bezel.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Forum discussions frequently frame this as a practical depth problem: a control may be separated from the panel by a PCB or wiring structure behind it. That language is helpful because it keeps the review focused on a real assembly envelope rather than on head diameter alone.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Panel review element<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Question to answer<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Procurement effect<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thickness and finish<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Is the usable shank length sufficient after coating?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Confirms fastening stack<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Front spacing<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Does the bezel clear labels and nearby heads?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Protects readability and access<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Rear section view<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Do terminals and wires clear brackets and the closed door?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Prevents late interference<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Operating access<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Can the installer tighten and remove the retaining hardware?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Affects assembly and service<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Electrical function<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Which contact arrangement and action are required?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Prevents a mechanical-only selection<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">El <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/onpowbutton.com\/es\/news\/19mm-push-button-switch-guide\/\">19 mm push button guide<\/a> illustrates how a documented diameter family must still be evaluated with the panel and intended operator use. Keep the half-inch requirement separate until its own drawing has been confirmed.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-send-the-mounting-fields-that-prevent-fit-rework\">Part 5. Send the mounting fields that prevent fit rework<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Rather than sending a nominal diameter in an email subject line, provide the panel information as a controlled set. Send the revision-controlled drawing and identify the exact feature that the half-inch term describes. Include the operating function so mechanical and contact choices can be checked together.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Drawing input for a quote<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Why it matters<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Common mistake avoided<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Cutout size and tolerance<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Defines the panel interface<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Selecting from an approximate conversion<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Panel material, thickness, and finish<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tests shank and washer stack<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ignoring paint or a front label<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Front layout and centre spacing<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tests bezel and legend clearance<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Crowding adjacent controls<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Rear section and wiring envelope<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tests terminals and service access<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Discovering collisions after build<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Required operation and contact need<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Connects the operator to the control function<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ordering by appearance only<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Quantity and destination<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Frames quotation and documentation review<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Leaving commercial inputs unresolved<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">IEC 60947-5-1 provides a general standard context for low-voltage control-circuit devices. It does not set the individual product\u2019s mounting opening, so the dimensional drawing and the selected configuration must remain part of the purchase record.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">For an RFQ, attach the six listed inputs to the released drawing. That gives the supplier the cutout, mounting stack, clearance, and function details needed for an accurate configuration review.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-use-onpow-metal-push-buttons-after-the-drawing-is-confirmed\">Part 6. Use ONPOW metal push buttons after the drawing is confirmed<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Once the mounting information is complete, the <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/onpowbutton.com\/es\/metal-push-button-switch\/\">ONPOW metal push button switch category<\/a> provides a suitable product-family starting point for a drawing-based enquiry. Do not read the category as a promise that any item is a verified half-inch fit. Ask ONPOW to confirm the selected SKU\u2019s mounting drawing, operating action, contacts, terminal form, illumination requirement, and relevant documentation.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"ONPOW metal push-button operators for drawing-confirmed panel selection\" src=\"https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-product.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">Send the released panel drawing, intended function, quantity, destination, and target delivery requirement to the ONPOW sales team. State whether the half-inch expression applies to an existing panel opening or to a legacy component description. This gives the review a clear mechanical starting point without making an unsupported fit claim.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">For other documented panel-selection topics, visit the <a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/onpowbutton.com\/es\/category\/blog\/\">ONPOW Blog<\/a>. Keep the approved drawing revision with the bill of materials so a replacement or enclosure revision can be checked against the same interface.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"frequently-asked-questions\">Preguntas Frecuentes<\/h2>\n<h3 style=\"margin:28px 0 12px\">Is a 1\/2 inch push button switch always a 12 mm model?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">No. One half inch equals 12.7 mm, while a listing may use its size label for a mounting hole, a thread, a body feature, or a product family. Use the selected drawing to identify the relevant dimension.<\/p>\n<h3 style=\"margin:28px 0 12px\">What hole should I make for a half-inch push button?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Make only the opening stated by the selected manufacturer\u2019s mounting drawing, including tolerance. Do not choose a punch or drill from the 12.7 mm conversion alone.<\/p>\n<h3 style=\"margin:28px 0 12px\">Does 1\/2 inch describe the cutout or the threaded body?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">It can describe either one in product listings. Read the dimensional callout and section view to see whether the number is attached to the panel opening, thread, shank, or head.<\/p>\n<h3 style=\"margin:28px 0 12px\">What panel-thickness information is needed?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Provide the base material, thickness range, paint or coating, labels, gaskets, and any front overlay. These items change the fastening stack and usable shank length.<\/p>\n<h3 style=\"margin:28px 0 12px\">Do bezel diameter and cutout diameter need separate checks?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Yes. The bezel affects front clearance, spacing, and label visibility, while the cutout controls the mounting interface. A fit review should include both dimensions.<\/p>\n<h3 style=\"margin:28px 0 12px\">Can ONPOW provide a half-inch push button switch?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Use the ONPOW metal push-button category to begin a drawing-based enquiry. The supplier should confirm the selected SKU\u2019s mounting dimensions and configuration rather than relying on the half-inch label alone.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"references\">References<\/h2>\n<ol style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/www.bipm.org\/en\/measurement-units\/si-base-units\" target=\"_blank\" rel=\"noopener\">BIPM \u2014 SI base units<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/support.rockwellautomation.com\/app\/answers\/answer_view\/a_id\/1133678\/~\/pushbutton-diameter-measurement-size-and-what-they-mean-\" target=\"_blank\" rel=\"noopener\">Rockwell Automation \u2014 What a named pushbutton diameter represents<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a style=\"color:#27649a;text-decoration:underline\" href=\"https:\/\/webstore.iec.ch\/en\/publication\/2603\" target=\"_blank\" rel=\"noopener\">IEC 60947-5-1 \u2014 Control circuit devices<\/a><\/li>\n<\/ol>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A 1\/2 inch push button switch should be selected from its mounting drawing, not from the nominal size alone. One half inch equals 12.7 mm, yet that conversion does not identify the required cutout, thread, shank length, tolerance, or rear clearance. Confirm those mechanical fields before releasing a panel drawing or ordering a replacement operator. [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":2318,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"uagb_featured_image_src":{"full":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-featured.webp",656,500,false],"thumbnail":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-featured-150x150.webp",150,150,true],"medium":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-featured-300x229.webp",300,229,true],"medium_large":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-featured.webp",656,500,false],"large":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-featured.webp",656,500,false],"1536x1536":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-featured.webp",656,500,false],"2048x2048":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-featured.webp",656,500,false],"trp-custom-language-flag":["https:\/\/onpowbutton.com\/wp-content\/uploads\/2026\/08\/half-inch-push-button-cutout-featured-16x12.webp",16,12,true]},"uagb_author_info":{"display_name":"Relife","author_link":"https:\/\/onpowbutton.com\/es\/author\/relife\/"},"uagb_comment_info":0,"uagb_excerpt":"A 1\/2 inch push button switch should be selected from its mounting drawing, not from the nominal size alone. One half inch equals 12.7 mm, yet that conversion does not identify the required cutout, thread, shank length, tolerance, or rear clearance. Confirm those mechanical fields before releasing a panel drawing or ordering a replacement operator.&hellip;","_links":{"self":[{"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/posts\/2324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/comments?post=2324"}],"version-history":[{"count":2,"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/posts\/2324\/revisions"}],"predecessor-version":[{"id":2327,"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/posts\/2324\/revisions\/2327"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/media\/2318"}],"wp:attachment":[{"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/media?parent=2324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/categories?post=2324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onpowbutton.com\/es\/wp-json\/wp\/v2\/tags?post=2324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}