JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M15 x 1.5 Die & Mould Collet Chucks 45° seating with ISO 50

45° seating with ISO 50 compatibility: Ensures proper engagement and preload

ball-nose geometry and a tapered neck

dependable construction: Built to withstand continuous use in busy workshops

tooling up for production

minimizing deflection and helping extend tool life in demanding cuts

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M15 x 1.5 Die & Mould Collet Chucks 45° seating with ISO 50The JBO Thread Ring Gauge (NoGo) is a precision tool for verifying external threads. Built for engineers, inspectors, machinists, and manufacturing teams, it provides a quick, reliable check of M15 x 1. 5 threads with metric fine pitch to help ensure parts meet 4h tolerance and stay in spec. Hardened steel construction: Built from hardened steel for long lasting wear resistance in busy workshop environments, reducing replacement costs and downtime.