36 Nut and Bolt Sizer - Our bolt thread identifier instantly recognizes 34 different sizes, including 16 metric thread sizes (From M3 x 0.5 to M16 x 2.0) and 20 imperial threads (From #6 - 32 Coarse to 3/4 - 16 Fine) Make sure your bolt sizing tool is compatible with all standard hardware!
Masterful Craftsmanship Thread Checker - Our nut and bolt thread checkers are carefully made using CNC machining. Ensure accurate internal and external thread sizes. Quickly identify the classification of bolts and nuts. Note: Not suitable for irregular nut.
Multi-Functional Design - 1: The bolt sizer has 6 pre-set mounting holes for easy mounting on a wall or tool box; 2: The nut bolt gauge is designed with scales on both sides, 15 cm and 6 inches (Laser Etching); 3: Four non-slip feet (Removable).
Upgraded Design - Our bolt identifier board features 19 different size drill gauges. It has 6 metric (4mm - 14mm) and 13 imperial (1/16“ - 1/2”) gauges helping you measure drill bits quickly and easily.
Widely Used Tool - This bolt and nut gauge is an indispensable tool for professionals and DIY enthusiasts. Its one-piece design ensures that all parts remain safe and organized on the tool, eliminating the worry of parts being misplaced or tangled. Whether you are an auto mechanic, carpenter, welder, plumber or workshop technician, this comprehensive set of bolt size and thread gauges will be your most reliable partner.