JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M15 x 1.5 Die & Mould Collet Chucks ball-nose geometry and a tapered

ball-nose geometry and a tapered neck

The corner radius strengthens the cutting edge

while the M2 HSS composition and tight tolerance provide dependable results across multiple jobs

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

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

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M15 x 1.5 Die & Mould Collet Chucks ball-nose geometry and a taperedThe 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.