Vermont Gage 301172050 Go No-Go Thread Plug Gage

The Vermont Gage 301172050 GO/NO-GO Taperlock Thread Plug Gage is a precision inspection tool designed to verify the dimensional accuracy and functional fit of internal 1-3/16-8 UN Class 3B threads. This GO/NO-GO Taperlock Assembly uses a taperlock design with replaceable gage members for extended service life and straightforward maintenance. It is manufactured from hardened tool steel with chrome-plated working members and is built to ASME B1.2 standards, with NIST traceability and a Certificate of Accuracy. The unit features right-hand thread direction and is intended for use in machine shops, precision manufacturing facilities, calibration laboratories, aerospace production, automotive machining, and general industrial quality control to verify ASME-compliant threads. Common replacements include Vermont Gage 301172030, 371172050, and 1-3/16-8.