External Pipe Thread Design, Specifications and NPT Pipe Thread Tolerances

Pipe Thread Pitch Diameter Formulas and Calculator

NPTF - National Pipe Thread Fuel (Dryseal) Threads

How to Model NPT Threads in Solidworks - Sparx Engineering

Quality 101, March 2023

How To Use NPT Thread Gages - The Gage Store - The Worlds Largest

Thread Data Charts

BSP Threads: A Complete Guide - EngineerExcel

NPTF American Taper Pipe Thread ANSI B 1.20.3

NPSM Pipe Thread ANSI B 1.20.1-1983 (R1992)

Different Types of Threads based on 4 Standards

Different Types of Threads based on 4 Standards

Product and Technical Support Resources

National Pipe Thread (NPT): Dimensions& Formulas

NPT Thread Dimensions: A Complete Guide - EngineerExcel