About This

• 【76PCS THREAD CHECKER & BOLT SIZE FINDER TOOL】Stop the guesswork with this professional thread checker and bolt size finder tool. This all-in-one nut and bolt thread checker accurately identifies 76 sizes, including SAE, metric, and screw gauges. Perfect for fast, precise thread identification, bolt size checking, and hardware matching in any garage or workshop
• 【SAE & METRIC THREAD GAUGE – FULL COVERAGE】Includes 31 Standard SAE thread sizes (#2-56 to 1-12) and 29 Metric thread sizes (M2–M24), making this a complete thread gauge SAE and metric set. Designed for mechanics and DIY users, this bolt and nut gauge covers the most common and hard-to-find sizes for reliable thread checking and screw size identification
• 【16 SCREW SIZE & DRILL GAUGE IDENTIFIER】Built with 16 screw size and drill gauge holes, this screw size checker and bolt gauge sizing tool helps quickly sort and identify mixed screws, bolts, and drill bits. No more confusion—this thread checker tool makes organizing and selecting the right hardware fast and effortless
• 【HEAVY-DUTY METAL THREAD GAUGE – BUILT TO LAST】Crafted from CNC-machined anodized aluminum with durable 304 stainless steel studs, this thread gauge and nut bolt checker offers superior strength and accuracy. Unlike plastic thread checkers, it won’t strip or wear over time, ensuring long-lasting performance for thread inspection and bolt testing
• 【CLEAR LASER MARKINGS & TIME-SAVING DESIGN】Featuring high-contrast laser-etched markings, this thread checker gauge allows quick and accurate reading of thread sizes. Each plate includes a built-in ruler (25cm / 10 inch) for measuring bolt length. With 4 hanging holes and anti-slip feet, this nut and bolt sizer can be wall-mounted or used on a workbench—saving time and reducing trips to the hardware store
• SAE Thread Sizes (31 Sizes – UNC & UNF) Covers common inch thread sizes for daily repair and professional use: 2-56, 4-40, 6-32, 6-40, 8-32, 3/16-24, 10-24, 10-32, 12-24, 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
• Metric Thread Sizes (29 Sizes – Coarse & Fine) Includes a wide range of metric sizes with different pitches: M2×0.4, M2.5×0.45, M3×0.5, M3.5×0.6, M4×0.7, M4.5×0.75, M5×0.8, M6×1.0, M7×1.0, M8×1.0, M8×1.25, M10×1.0, M10×1.25, M10×1.5, 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, M20×1.5, M20×2.5, M20×3.0, M24×2.0
• Drill Bit & Screw Size Gauges (16 Sizes) Quickly match drill bits and screws with common sizes:1/8" (Φ3), 3/16" (Φ4), 7/32" (Φ5), 1/4" (Φ6), 5/16" (Φ8), 3/8" (Φ10), 7/16" (Φ12), 1/2" (Φ14)