JBO Thread Ring Gauge (NoGo) - BSW - Right Hand - Medium Class - 1 3/8 x 6 RPTECH In graphite applications

In graphite applications

high-quality results across demanding mold and die applications

burr-free finishes that meet ISO H5 tolerances

and maintain high-quality workmanship across plumbing

This reamer supports a reliable finishing pass that delivers consistent results

JBO Thread Ring Gauge (NoGo) - BSW - Right Hand - Medium Class - 1 3/8 x 6 RPTECH In graphite applicationsThe JBO Thread Ring Gauge (NoGo) is a precision tool built to verify external BSW threads. Designed for right hand, medium class threads in the 1 3 8 x 6 size, it helps shops and QC labs quickly confirm that threaded components meet the required limits. This gauge supports manufacturers across automotive, aerospace, and general machining by providing a clear, fast assessment of whether a part is within specification. Manufactured from hardened steel,