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

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

and workshop professionals who demand predictable hole finishes

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

The corner radius strengthens the cutting edge

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.