{"product_id":"thread-checker-nut-single-piece","title":"Nut and Bolt Thread Checker Single-Size Replacement, Metric or SAE","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eNut and Bolt Thread Checker — Replace One Missing Size Without Buying a Set\u003c\/h2\u003e\n\u003cp\u003eLost one size from your thread-checking tools? This individual Nut and Bolt Thread Checker lets DIYers, mechanics, and workshop users purchase only the size they need instead of replacing an entire set. Each unit contains one nut in the selected thread size and color, not a multi-size kit.\u003c\/p\u003e\n\u003cp\u003eChoose from metric or imperial thread options, with red and blue color options listed. Metric selections span nominal thread diameters from 2 to 24 mm, approximately 0.079 to 0.945 inches. Imperial selections include numbered screw sizes and fractional sizes up to 1 inch (25.4 mm). These are thread designations, not the nut's outside dimensions; material and external dimensions are not specified.\u003c\/p\u003e\n\u003cp\u003eUse a matching nut to check an external bolt or screw thread during garage repairs, hardware sorting, or workbench maintenance. To replace the Nut and Bolt Thread Checker, match the full diameter and pitch designation before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e For external bolt and screw threads matching the selected thread designation. Match both diameter and pitch. Metric and imperial sizes are not interchangeable, and compatibility with an existing holder or checker assembly is not confirmed.\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\u003cspan\u003e🔩 Individual Nut and Bolt Thread Checker: purchase one selected size rather than a complete assortment.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e🧩 Replace a missing size: replenish a lost nut without buying sizes you already own.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e📏 Metric and imperial options: choose the measurement system used by your fastener.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e🔍 Diameter-and-pitch selection: distinguish threads that share a diameter but have different pitches.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e🎨 Red and blue options: select the listed color you prefer; color alone does not identify thread size.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e🛠️ Practical hardware checking: use the matching nut when sorting bolts and screws or preparing for repairs.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e1 × Nut and Bolt Thread Checker in the selected thread size and color. Other sizes and a complete checker set are not included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho Is This For\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-usecases\"\u003e\n\u003cdiv class=\"hdiy-usecase-item\"\u003e\n\u003cstrong\u003e🧩 Existing thread checker users\u003c\/strong\u003e\n\u003cp\u003eReplace a lost nut by ordering the exact missing thread designation. Confirm physical fit separately if it must attach to an existing assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-usecase-item\"\u003e\n\u003cstrong\u003e🔧 Mechanics and maintenance users\u003c\/strong\u003e\n\u003cp\u003eKeep an individual size available for checking matching bolt and screw threads during repair preparation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-usecase-item\"\u003e\n\u003cstrong\u003e🏠 DIYers and workshop organizers\u003c\/strong\u003e\n\u003cp\u003eAdd only the thread sizes needed for recurring projects and hardware sorting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eIndividual Nut and Bolt Thread Checker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSales unit\u003c\/th\u003e\n\u003ctd\u003e1 piece in one selected thread size and color; sizes sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasurement systems\u003c\/th\u003e\n\u003ctd\u003eMetric and imperial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetric thread options\u003c\/th\u003e\n\u003ctd\u003eM2-0.4, M2.5-0.45, M3-0.5, M3.5-0.6, M4-0.7, M5-0.8, M6-1.0, M7-1.0, M8-1.0, M8-1.25, M9-1.25, M10-1.0, M10-1.25, M10-1.5, M11-1.0, M11-1.25, M11-1.5, M12-1.0, M12-1.25, M12-1.5, M12-1.75, M14-1.5, M14-2.0, M16-1.5, M16-2.0, M18-1.5, M18-2.5, M20-1.5, M20-2.5, M22-1.5, M22-2.5, M24-2.0, M24-3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImperial thread options\u003c\/th\u003e\n\u003ctd\u003e2-56, 2-64, 3-48, 3-56, 4-40, 4-48, 5-40, 6-32, 6-40, 8-32, 8-36, 10-24, 10-32, 12-24, 12-28, 1\/4-20, 1\/4-28, 5\/16-18, 5\/16-24, 3\/8-16, 3\/8-24, 7\/16-14, 7\/16-20, 7\/16-24, 1\/2-13, 1\/2-20, 9\/16-12, 9\/16-18, 9\/16-20, 5\/8-11, 5\/8-18, 3\/4-10, 3\/4-16, 7\/8-9, 7\/8-14, 1-8, 1-12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this a complete thread checker set?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo. Each unit is one Nut and Bolt Thread Checker in the thread size and color you select. Other sizes are sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I buy just one size to replace a lost nut?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. Select the exact missing size and purchase that individual nut without buying a complete set.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the correct replacement?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the measurement system, nominal thread diameter, and pitch or threads-per-inch designation. Do not choose by diameter or color alone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre metric and imperial options interchangeable?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo. Choose the same thread system and full designation as the fastener you want to check.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan this nut check both bolts and nuts?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThis nut is intended to engage matching external bolt or screw threads. It does not provide a male thread for checking the internal threads of another nut.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill it fit my existing thread checker holder?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA matching thread designation does not confirm external dimensions or attachment compatibility. Contact us to confirm before ordering if holder fit is important.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes color determine the measurement system?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eDo not rely on color to identify the measurement system. Check the measurement system and complete thread size shown in your selected options.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat if the nut does not turn smoothly onto a bolt?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eStop rather than forcing it. Recheck the thread designation and inspect for dirt or damaged threads before trying again.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e\n\u003cp\u003eReplace only the size you need. Select your measurement system, exact thread size, and preferred color, then add the individual nut to your cart.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Metric \/ M2-0.4 \/ Red","offer_id":67660461277458,"sku":"HTAEA1-01","price":2.35,"currency_code":"USD","in_stock":true},{"title":"Metric \/ M2.5-0.45 \/ Red","offer_id":67662852751634,"sku":"HTAEA1-02","price":2.35,"currency_code":"USD","in_stock":true},{"title":"Metric \/ M3-0.5 \/ Red","offer_id":67662852784402,"sku":"HTAEA1-03","price":2.35,"currency_code":"USD","in_stock":true},{"title":"Metric \/ M3.5-0.6 \/ Red","offer_id":67662852817170,"sku":"HTAEA1-04","price":2.35,"currency_code":"USD","in_stock":true},{"title":"Metric \/ M4-0.7 \/ Red","offer_id":67662852849938,"sku":"HTAEA1-05","price":2.35,"currency_code":"USD","in_stock":true},{"title":"Metric \/ M5-0.8 \/ 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