JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M15 x 1.5 Die & Mould Collet Chucks Material: High-Speed Steel (M2) for

Material: High-Speed Steel (M2) for durability and sharpness

The tool's corner radius options offer flexibility to match different design needs

tooling up for production

delivering consistent results whether you’re refining bore diameters or finishing to a precise specification

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 Material: High-Speed Steel (M2) forThe 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.