JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M60 x 2 FHH 58mm is an intermediate precision

58mm is an intermediate precision carbide stub reamer designed to finish holes with tight tolerances in metalworking projects

resisting wear during high-precision mold and die milling

delivering smooth bore surfaces with tight tolerance while minimizing chatter and deflection

Featuring a 90° single-flute design and a cobalt-enhanced HSS-E composition

005 mm) in BS 328/4 tooling

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M60 x 2 FHH 58mm is an intermediate precisionThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 4h, M60 x 2 is a precision inspection tool designed to verify external thread diameters to exact metric standards. Engineered for manufacturers, machinists, quality teams, and workshop technicians, it provides reliable go no go checks that confirm threads meet the M60 x 2 fine pitch specification. Crafted from hardened steel, this GO ring gauge offers durability and wear resistance for long