The Inch & Metric Thread Checker is an accurate and easy-to-use thread identifier for both nuts and bolts. Each individual gauge features a male threaded stud on one end and a female threaded hole on the other. The Thread Checker is especially well suited for distinguishing between similar inch and metric threads. Conveniently assembled onto a wire loop, it's the perfect portable solution! Hang it on your shop wall or store it in your tool box for safe keeping. Size Specifications COMBO: INCH (14): 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20 METRIC (12): M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75 Metric: The individual gauges rotate freely on the wire cable for fast verification. Includes: (21) Sizes: 3mm x 0.5, 4mm x 0.1, 5mm x 0.8, 6mm x 1.0, 7mm x 1.0, 8mm x 1.0, 8mm x 1.25, 10mm x 1.0, 10mm x 1.25, 10mm x 1.5, 12mm x 1.25, 12mm x 1.5, 12mm x 1.75, 14mm x 1.5, 14mm x 2.0, 16mm x 1.5, 16mm x 2.0, 20mm x 2.0, 20mm x 2.5, 24mm x 2.0 & 24mm x 3.0. SAE/Inch: The individual gauges rotate freely on the wire cable for fast verification. Includes : 6-32, 6-40, 8-32, 10-24, 10-32, ¼-20, ¼-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, ½-13, ½-20, 9/16-12, 9/16-18, 5/8-11, 5/8-18, ¾-10, ¾-16, 1-8, 1-12 Made in USA!
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