JBO Thread Ring Gauge (NoGo) - Metric Coarse - Left Hand - 6g - M9 x 1.25 Face Mill Arbors - Anti-Vibration It is BS 328/4 compliant

It is BS 328/4 compliant for secure toolholding in standard spindles and is manufactured to order

high-quality surfaces on hardened workpieces

and minimizes chatter

With its HSS construction and tight ISO H7 tolerance

The long neck enables machining deep cavities and channels without sacrificing stability

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Left Hand - 6g - M9 x 1.25 Face Mill Arbors - Anti-Vibration It is BS 328/4 compliantThe JBO Thread Ring Gauge (NoGo) Metric Coarse Left Hand 6g M9 x 1. 25 is a precision inspection tool designed to verify external thread diameters against exact standards. It helps technicians, engineers, and quality teams quickly determine whether a threaded part meets the required size, fit, and tolerance before assembly or further processing. With meticulous dimensions and a NoGo design, this gauge makes it easy to identify non conforming parts,