The Thread Checker is a portable and easy-to-use gauge for IDing nuts, bolts, and other hardware.
Thread Checkers, Screw Gauges, & Size Identification
After posting about Lee Valley’s new thread ID tool, we started thinking about other thread-identification tools that we’re familiar with. Identifying a thread is usually done in one of two ways – by matching an unknown thread to a fastener of known thread, or by measuring and comparing the diamater and thread pitch of a fastener. Following are a few types […]