JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M17 x 1.5 G and tight-radius corners in high-precision

and tight-radius corners in high-precision molds and dies

while carbide construction delivers long tool life and reliable wear resistance for demanding applications

repeatable results for both enlarging existing holes and producing final

Material: HSS‑E with M35 cobalt composition for enhanced hardness and wear resistance

Taper shank in standard length for secure fit: Secure mounting in common toolholders delivers stable alignment and consistent bore quality across jobs

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M17 x 1.5 G and tight-radius corners in high-precisionThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6h M17 x 1. 5 is a precision tool designed to verify external metric threads. This GO gauge is sized for M17 x 1. 5 threads with a metric fine pitch and a 6h tolerance, making it ideal for inspectors, machinists, and quality teams who need quick, reliable conformance checks. Constructed from hardened steel for maximum durability, it resists wear in busy workshop environments and supports long