JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M3 x 0.25 Power Milling Chucks With carbide construction built for

With carbide construction built for durability and a range of specifications

its carbide construction offers excellent wear resistance and long tool life

it follows BS 328/4 taper standards and carries an ISO H5 tolerance to ensure precise results in standard-length tooling

Made to order with 24–48 hour despatch: You receive the exact tool when you need it

helping you achieve consistent outcomes with fewer passes and less rework

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M3 x 0.25 Power Milling Chucks With carbide construction built forThe JBO Thread Ring Gauge (NoGo) is a precise inspection tool designed to verify external metric threads. Built for engineers, machinists, quality inspectors, and workshop staff, it provides a clear, fast pass fail indication to ensure components meet exact thread size requirements without guesswork. Made from hardened steel for durability, this metric fine NoGo gauge is designed for right hand threads in the 6H class and M3 x 0. 25 pitch. The knurled