JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M42 x 1.5 ER Collet Chucks Ideal for finishing small-diameter holes

Ideal for finishing small-diameter holes

Shank/Neck Design: Long-neck for extended reach and stability in deep grooves

delivering reliable alignment and precise hole sizing

BS 328/4 specification supports reliable performance

It is ideal for machinists

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M42 x 1.5 ER Collet Chucks Ideal for finishing small-diameter holesThe JBO Thread Ring Gauge (NoGo) Metric Fine Right Hand 6g M42 x 1. 5 is a precision inspection tool designed to verify external threads on fasteners, fittings, and machined components. Its ideal for engineers, machinists, quality control teams, and maintenance professionals who need quick, reliable pass fail checks to confirm parts meet exact thread specifications. Crafted from hardened steel for durability, this NoGo gauge resists wear in demanding