{"product_id":"thread-checker-sae-metric-nut-bolt-identifier-gauge","title":"Thread Checker – 14 SAE \u0026 14 Metric Bolt Identifier Gauge","description":"\n\u003ch2\u003eThread Checker with 14 SAE \u0026amp; 14 Metric Sizes — Nut \u0026amp; Bolt Identifier Gauge\u003c\/h2\u003e\n\u003cp\u003eStop guessing and start measuring with confidence. This professional-grade \u003cstrong\u003eThread Checker\u003c\/strong\u003e identifies 28 different thread sizes in seconds — covering both metric and imperial (SAE) fasteners. Whether you're a plumber, mechanic, auto repairer, handyman, or DIY enthusiast, this compact aluminum alloy tool is the one gauge your toolbox has been missing.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive 28-Size Range:\u003c\/strong\u003e Covers metric threads from M4 × 0.7 to M14 × 2.0 and imperial threads from #6-32 fine to 1\/2-20 fine — all in a single, easy-to-use tool.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eANSI 2B Go\/No-Go Verified:\u003c\/strong\u003e Precision-machined from high-quality aluminum alloy metal to meet strict ANSI 2B go\/no-go standards, ensuring lasting accuracy and reliable identification every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBilingual Scale Markings:\u003c\/strong\u003e Features both inch and centimeter scales along the edges for quick, clear, and enduring measurements — no conversion tables needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficient Fastener Sorting:\u003c\/strong\u003e Instantly sort and identify mixed nuts, bolts, and screws. Ideal for organizing hardware bins, sorting job-site fasteners, and speeding up any repair or assembly project.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile \u0026amp; Portable:\u003c\/strong\u003e Wall-mountable or toolbox-ready. At just 260 × 80 × 20 mm (approx. 10.24 × 3.15 × 0.79 in), it fits anywhere and goes everywhere your work takes you.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt for Professionals \u0026amp; DIYers:\u003c\/strong\u003e A must-have for plumbers, mechanics, auto repairers, machinists, and any hands-on professional who works with fasteners regularly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMetric Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM4 × 0.7 to M14 × 2.0 (14 sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSAE \/ Imperial Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e#6-32 Fine to 1\/2-20 Fine (14 sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Thread Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eANSI 2B Go\/No-Go\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e260 × 80 × 20 mm \/ 10.24 × 3.15 × 0.79 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Thread Checker \/ Bolt Identifier Gauge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to monitor settings and lighting conditions, the actual color may vary slightly from product images. Please allow a 1–2 cm tolerance due to manual measurement.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor more information on fastener standards and thread identification best practices, visit the National Institute of Standards and Technology (NIST), the authority on U.S. measurement standards and industrial tolerances.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What thread sizes does this thread checker identify?\u003c\/h4\u003e\n\u003cp\u003eA: This thread checker identifies 28 total sizes — 14 metric (M4 × 0.7 through M14 × 2.0) and 14 SAE\/imperial (#6-32 fine through 1\/2-20 fine), making it highly versatile for a wide range of fastener identification tasks.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is the bolt identifier gauge made from?\u003c\/h4\u003e\n\u003cp\u003eA: The gauge is precision-machined from high-quality aluminum alloy metal, ensuring durability and long-lasting accuracy that meets ANSI 2B go\/no-go standards.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I mount this thread checker on a wall in my workshop?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The thread checker is designed to be wall-mountable for easy workshop access, or compact enough to store in a standard toolbox — making it practical for both fixed workstations and mobile job sites.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this tool suitable for professional use?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This screw size checker is used by mechanics, auto repairers, plumbers, machinists, and other trade professionals who need fast, accurate fastener identification on the job.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What thread sizes does this thread checker identify?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This thread checker identifies 28 total sizes — 14 metric (M4 × 0.7 through M14 × 2.0) and 14 SAE\/imperial (#6-32 fine through 1\/2-20 fine), making it highly versatile for a wide range of fastener identification tasks.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the bolt identifier gauge made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The gauge is precision-machined from high-quality aluminum alloy metal, ensuring durability and long-lasting accuracy that meets ANSI 2B go\/no-go standards.\"}}, {\"@type\": \"Question\", \"name\": \"Can I mount this thread checker on a wall in my workshop?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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