50Pcs Thread Checker Set, SAE & Metric Nut and Bolt Thread Gauge with Case, 27 Imperial & 23 Metric Bolt Size Finder for Narrow and Tricky Areas

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• 【50 Pcs Comprehensive Thread Checker Kit】 Our thread checker standard and metric kits includes 27 SAE (Standard/Imperial) and 23 Metric thread gauges, covering a wide range of sizes from 2-56 UNC to 1-12 UNF and M2x0.4 to M20x2.5. It's the ultimate bolt size finder and thread pitch gauge for professionals and DIYers
• 【Easy Identification & Portable Storage】 Each detachable thread gauge is securely held in a case. Easily remove the exact thread checker you need for quick identification in narrow areas or take it to the hardware store to find the perfect matching nut or bolt
• 【Durable & Color-Coded Design】 The nut and bolt thread checker made from high-quality aluminum with laser-engraved, friction-resistant markings for long-lasting legibility. SAE sizes are color-coded in BLUE, and Metric sizes are in RED, allowing for instant recognition and reducing errors
• 【Complete SAE Size List】27 BLUE SAE: 2-56 UNC, 4-40 UNC, 6-32 UNC, 8-32 UNC, 10-24 UNC, 10-32UNF, 12-24 UNC, 1/4-20 UNC, 1/4-28UNF, 5/16-18 UNC, 5/16-24 UNF, 3/8-16 UNC, 3/8-24 UNF, 7/16-14 UNC, 7/16-20 UNF, 1/2-13 UNC, 1/2-20 UNF, 9/16-12 UNC, 9/16-18 UNF, 5/8-11 UNC, 5/8-18 UNF, 3/4-10 UNC, 3/4-16 UNF, 7/8-9 UNC, 7/8-14 UNF, 1-8 UNC, 1-12 UNF
• 【Complete Metric Size List】 23 RED Metric: M2X0.4, M2.5X0.45, M3x0.5, M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0 Fine, M8x1.25, M10x1.0 Fine, M10x1.25 Fine, M10x1.5, M12x1.25 Fine, M12x1.5 Fine, M12x1.75, M14x1.5 Fine, M14x2.0, M16x1.5 Fine, M16x2.0, M18x1.5 Fine, M18x2.5, M20x1.5 Fine, M20x2.5