The Tool for Determining Number of Threads per Inch on a Bolt or Pipe

Explanation:

A thread pitch gauge, also known as a thread pitch gauge tool or thread gauge, is an instrument used to measure and determine the pitch or threads per inch (TPI) of screws, bolts, or pipes. It consists of a set of metal blades or wires with various thread profiles and spacings.

To use a thread pitch gauge, you place the blades or wires against the threads of the bolt or pipe and identify which one aligns perfectly with the threads. The measurement indicated by the aligned blade or wire corresponds to the number of threads per inch, helping in the identification and selection of compatible nuts, bolts, or pipe fittings.