JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6g - M3 x 0.5 Face Mill Arbors - Through Coolant this holder provides secure

this holder provides secure

65 mm in diameter

Manufactured to BS 328/4 standards and ISO H5 tolerance

and a square-edge profile to support consistent

Diameter: 20 mm cutting diameter for precise

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6g - M3 x 0.5 Face Mill Arbors - Through Coolant this holder provides secureThe JBO Thread Ring Gauge (NoGo) for Metric Coarse threads is a precision inspection tool designed to quickly verify external thread diameters. Ideal for machinists, quality engineers, and shop floor inspectors, it helps ensure components meet the M3 x 0. 5 standard and are ready for assembly. Crafted from hardened steel, this NoGo ring gauge delivers durable, long lasting performance in busy workshops. Its right hand thread orientation (6g) is built