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60–62 HRC hardened steel for long tool life: The material’s hardness delivers excellent wear resistance and edge retention
helping you achieve consistent tool performance
reliable inspection of internal threads
it blends stability with clean edge quality for graphite-focused applications
predictable cutting and clean finishes in metalworking projects
JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M56 x 1 End Mill Holders 60–62 HRC hardened steel forThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 4h M56 x 1 is a precision tool designed for fast, reliable verification of external thread diameters. Its ideal for machinists, quality inspectors, and assembly teams working with metric fine threads, helping you confirm that parts conform to your required standards. Crafted from hardened steel, this GO ring gauge delivers durability and wear resistance for rigorous, daily use in busy workshops.
