66-Piece Nut and Bolt Thread Checker Kit | 34 SAE (Blue) + 32 Metric (Red) Th... For Sale

• hread checker Set: More Sizes to Cover Every Need, Upgrade your toolbox with our 66 detachable thread checkers—34 SAE (imperial, color-coded blue) and 32 metric (color-coded red) sizes—perfect for matching nuts, bolts, and hardware of all types. Each thread gauge is individually nested in a custom foam insert, so you can instantly pull out the exact size you need without rummaging. Unlike bulky chain-type or board-mounted alternatives, our lightweight, flexible design works seamlessly in tight, hard-to-reach spaces—ideal for on-the-go repairs, workshop projects, or job site checks
• Precision and Durable Thread Gauges: Crafted from premium 6601 aluminum, this bolt size and thread gauge delivers professional-level accuracy you can trust. SAE threads comply with Unified Thread Standard (UN) and ANSI B1.1 (2A/2B) certification, while metric threads meet ISO 68-1 (6G/6H) standards—eliminating guesswork and mismatched hardware. The high-quality aluminum construction ensures long-lasting durability, resisting wear and tear even with frequent use, so you can rely on consistent performance for years to come
• 3 Effortless Size Identification Methods: Speed up thread checks with 3 intuitive reading options: laser-engraved scratch-resistant markings on each gauge, a quick-reference size chart, and clearly labeled foam insert slots. Color-coded for instant sorting (blue = SAE, red = metric)—making thread inspection hassle-free for pros and DIYers alike
• Complete SAE Size Coverage (34 Blue Gauges): Crush any imperial threading task with our all-inclusive 34-piece SAE thread gauge set (blue-coded for instant sorting): 2-56 UNC, 3-48 UNC, 4-40 UNC, 4-48 UNC, 5-40 UNC, 6-32 UNC, 6-40 UNF, 8-32 UNC, 8-36 UNF, 10-24 UNC, 10-32 UNF, 12-24 UNC, 12-28 UNF, 3/16-24 UNC, 1/4-20 UNC, 1/4-28 UNF, 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. Perfect for pros and DIYers tackling automotive, plumbing, and workshop projects
• Full Metric Size Range (32 Red Gauges): Never let metric hardware delay your work—our thread checker kit includes 32 essential metric sizes: M2x0.4, M2.5x0.45, M3x0.5, M3.5x0.6, M4x0.7, M4.5x0.75, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M11x1.25, M11x1.5, M12x1.0, M12x1.25, M12x1.5, M12x1.75, M14x1.5, M14x2.0, M16x1.5, M16x2.0, M18x1.5, M18x2.5, M20x1.5, M20x2.5, M22x2.0,

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• We only ship to the lower 48 states, no APO/FPO addresses or PO Boxes allowed.
• Local pickups and combined shipping options are not provided at this time.

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