JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6e - M39 x 4 NCDC Drill Chuck This arbor combines durable construction

This arbor combines durable construction with tight manufacturing tolerances and quality control to deliver dependable performance day after day

The M2 HSS composition provides durability for repeated hand reaming tasks

helping you achieve precise finishes on your workpieces

Helix angle: 45° for effective chip evacuation and smoother cutting dynamics

Built for durability with high‑quality materials

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6e - M39 x 4 NCDC Drill Chuck This arbor combines durable constructionThe JBO Thread Ring Gauge (NoGo) Metric Coarse, Right Hand, 6e, M39 x 4 is a precision inspection tool designed to verify external thread diameters to exacting standards. Its ideal for quality control teams, machinists, inspectors, and maintenance crews who need fast, reliable checks on metric coarse threads on a range of components. Crafted from hardened steel, this NoGo gauge offers outstanding durability and wear resistance to hold its accuracy