It helps you quickly identify non-conforming parts
It features a 12 mm bore and a 63 mm gauge length
with a secure fit in your taper shank tooling and a clear path from setup to finished work
accurate cuts on tight radii while maintaining a smooth finish
Left-hand thread compatibility with clear sizing: Engineered for left-hand metric fine threads (M60 x 2
JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M85 x 2 NCDC Drill Chuck It helps you quickly identifyThe JBO Thread Ring Gauge (GO) Metric Fine, Left Hand, 6g, M85 x 2 is a precision inspection tool used to verify external thread diameters. Its designed for engineers, machinists, quality control professionals, and workshop teams who need fast, reliable conformance checks for metric fine threads. Crafted from hardened steel for exceptional wear resistance, this GO gauge maintains accuracy in demanding environments. Its left hand configuration ensures