JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6e - M58 x 1 Hydraulic Expansion Chucks The left‑hand spiral flute with

The left‑hand spiral flute with right‑hand cutting provides efficient chip evacuation and stable cutting

The straight flute combined with the stub-length design helps maintain accuracy during deep cuts

provides rigidity in standard toolholders

It clamps 5 mm tool shanks using a heat-expanded shrink-fit

supporting longer tool life and lower replacement costs

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6e - M58 x 1 Hydraulic Expansion Chucks The left‑hand spiral flute withThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 6e, M58 x 1 is a precision tool designed to verify external thread diameters with confidence. It serves inspectors, machinists, and quality teams by providing a clear pass fail reference for metric fine threads, helping ensure components meet exact standards. Crafted from hardened steel, this GO ring gauge delivers durability and wear resistance for demanding shop environments. Its meticulous