Common Thread Information: Diameters, Pitch, and Threads per Inch

To understand the thread requirements on your drawing, you need to know common standard thread information. In this article, we will be discussing thread diameters, threads per inch and thread pitch.

UN imperial screw thread calculator

Thread profiles - Determining variables on the thread

Thread Pitch Charts

Pitch Diameter - an overview

Unified Thread Standard

Thread Pitch Chart, PDF, Screw

Math Tools - Pipe Diameters, Threads and Sizes

Hydraulic Fitting Thread Chart

Solved 1. Two of the most common thread shapes for power

Thread Pitch Calculator

Threaded Fastener Parts and Terminology

Hydraulic Fitting Thread Chart