Introducing a Thread Plug Gauge with a .500-20 UNF-2B Go PD .4675 HI PD .4731 measurement range. This gauge is designed for measuring thread pitch diameter and other essential aspects for metalworking inspection and measurement. The gauge conforms to the industrial standards, ensuring accurate measurement and reliable results. It is suitable for various applications, particularly in CNC, Metalworking & Manufacturing, and Inspection Gages. The gauge is recommended for professionals who require reliable and accurate measurements.