JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M45 x 3 Endmill25 easy-to-handle design: Knurled exterior and

easy-to-handle design: Knurled exterior and robust end-fitting enable quick

Its 13 mm bore ensures compatibility with common slitting setups

Hardened steel construction for durability: withstands daily use in busy workshops while maintaining long-term accuracy and wear resistance

making it well-suited for both routine and intricate tooling tasks

achieving a tight size control of ±0

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M45 x 3 Endmill25 easy-to-handle design: Knurled exterior andThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M45 x 3 is a precision tool designed to quickly verify external thread diameters and compliance with metric fine thread standards. Ideal for machinists, inspectors, and quality teams, it enables fast go no go checks that confirm parts will fit as intended. Built for durability in busy workshops, this ring gauge is crafted from hardened steel with a wear resistant finish. The left hand, metric