Nut and Bolt Thread Checker Bolt Size and Thread Gauge (21 Inch and 17 Metric)

Key Features：

• Quick & Accurate: Instantly identify 38 common sizes (17 Metric, 21 Imperial). Easily distinguish between hard-to-tell metric and standard (inch) threads in seconds.
• Organize Your Workspace: Eliminate the hassle of messy hardware. Quickly sort, categorize, and store your mixed nuts and bolts. Perfect for garage, home, or mechanical projects.
• Perfect DIY Gift: A must-have toolbox essential! Makes a highly practical gift for mechanics, handymen, and DIY enthusiasts.

Comprehensive 38-Size Guide

21 Standard (SAE/Inch) Sizes:

• 2-56, 4-40, 6-32, 8-32, 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, 1/2-13, 1/2-20, 9/16-12, 9/16-18, 5/8-11, 5/8-18

17 Metric Sizes:

• M3x0.5, M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75, M14x1.5, M14x2.0, M16x1.5, M16x2.0

Package List:

1×Nut and Bolt Thread Checker

Note：

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