{"product_id":"nut-bolt-thread-checker-set-26-piece-inch-metric-gauges","title":"26-Pc Nut \u0026 Bolt Thread Checker Set – Inch \u0026 Metric Gauges","description":"\n\u003ch2\u003e26-Piece Nut \u0026amp; Bolt Thread Checker Set with Wire Lanyard\u003c\/h2\u003e\n\u003cp\u003eNever mix up threads again! This professional-grade \u003cstrong\u003eNut and Bolt Thread Checker Set\u003c\/strong\u003e gives you 26 aluminum alloy gauges — 14 Standard (Inch) and 12 Metric sizes — covering both male and female threads. Colour-coded in red and blue for instant size identification, this detachable set is the ultimate companion for mechanics, machinists, DIYers, and anyone working with fasteners in the workshop or on the job site.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e26-Piece Complete Set:\u003c\/strong\u003e Includes 14 Standard (Inch) and 12 Metric gauges for wide coverage across fastener types.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMale \u0026amp; Female Gauges:\u003c\/strong\u003e Checks both external (bolt) and internal (nut) threads accurately and quickly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Aluminum Alloy Construction:\u003c\/strong\u003e Lightweight yet robust — built to withstand everyday workshop use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor-Coded Red \u0026amp; Blue Design:\u003c\/strong\u003e Instantly differentiate between Standard and Metric gauges at a glance, saving time on the job.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDetachable Gauges:\u003c\/strong\u003e Each gauge detaches individually for easy, precise measurement without the clutter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWire Lanyard Included:\u003c\/strong\u003e Keeps all your gauges together and conveniently accessible — no more lost pieces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Ideal for metalworking, automotive repair, machinery maintenance, hardware identification, and general DIY projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Nut and Bolt Thread Gauge Set\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum Alloy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 26 Pieces (26-Piece Set)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Gauges:\u003c\/strong\u003e 14 Inch (SAE) sizes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetric Gauges:\u003c\/strong\u003e 12 Metric sizes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red \u0026amp; Blue (color-coded)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Wire Lanyard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eWhether you're a professional machinist, a seasoned auto mechanic, or a passionate home DIYer, this thread checker set takes the guesswork out of fastener identification. Quickly match bolts, screws, and nuts to the right thread size before starting any project — saving time, preventing cross-threading, and ensuring a proper fit every single time.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel, Fine-Toothed for Carpentry and Gardening\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-professional-heavy-duty-pruning-shears-with-anti-slip-handle-design-suitable-for-trimming-thick-and-sturdy-branches\"\u003e1pc Professional Heavy-Duty Pruning Shears with Anti-Slip Handle Design\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-wooden-handle-nylon-bristle-paint-brush-for-oil-painting-dusting-and-cleaning-unrechargeable-hand-tool-set-without-batt-2\"\u003e10Pcs Wooden Handle Nylon Bristle Paint Brush for Oil Painting, Dusting and Cleaning\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What thread sizes are included in this nut and bolt thread checker set?\u003c\/h4\u003e\n\u003cp\u003eA: The 26-piece set includes 14 Standard (Inch\/SAE) sizes and 12 Metric sizes, covering both male (bolt) and female (nut) thread gauges. This broad range makes it suitable for most common fastener identification tasks in automotive, machining, and general DIY work.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the thread checker made of, and is it durable enough for professional use?\u003c\/h4\u003e\n\u003cp\u003eA: The gauges are crafted from aluminum alloy, making them lightweight yet strong enough for repeated professional workshop use. The material resists wear during regular thread-checking tasks and maintains accurate gauge profiles over time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do the red and blue colors help when using this thread gauge set?\u003c\/h4\u003e\n\u003cp\u003eA: The color-coding system allows you to instantly distinguish between Standard\/Inch gauges (one color) and Metric gauges (the other color), speeding up the identification process and reducing the chance of picking up the wrong gauge when working quickly on the job.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the wire lanyard keep all gauges together?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The included wire lanyard keeps all 26 gauges organized and together in one place. Each gauge is detachable for individual use, then easily re-attached to the lanyard so nothing gets misplaced in a busy workshop environment.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What thread sizes are included in this nut and bolt thread checker set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 26-piece set includes 14 Standard (Inch\/SAE) sizes and 12 Metric sizes, covering both male (bolt) and female (nut) thread gauges. 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