JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M14 x 1.25 RPTECH it follows BS 328/4 and

it follows BS 328/4 and carries ISO H5 tolerance (D = -0 +0

it delivers reliable diameter control and long wear life for demanding finishing passes

Manufactured from hardened steel and precision-ground

Combi Design for Cylindrical and Face Mills: A versatile design that accommodates both cutter types

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M14 x 1.25 RPTECH it follows BS 328/4 andThe JBO Thread Ring Gauge (NoGo) is a precision tool for confirming external metric fine threads. Specifically designed for left hand threads (M14 x 1. 25) and built to 6g tolerance, this NoGo gauge delivers quick, clear pass fail checks in quality control, machining, and assembly environments. Crafted from hardened steel for durability, it stands up to daily use and maintains accurate readings over time. NoGo gauge for metric fine LH threads (M14 x