JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M50 x 1.5 Face Mill Arbors - Through Coolant and the 24/48 hour dispatch

and the 24/48 hour dispatch helps keep production on track

and right-hand cutting supports smooth operation

wear‑resistant material that maintains precision over many cuts

minimizing runout and helping you achieve consistent tolerances

Left-Hand thread compatibility: Specifically designed for left-hand threaded holes

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M50 x 1.5 Face Mill Arbors - Through Coolant and the 24/48 hour dispatchThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 4h M50 x 1. 5 is a precision inspection tool designed to verify external thread diameters on fasteners and threaded components. It helps machinists, inspectors, and engineers quickly confirm that parts match the exact metric fine standard for reliable mating and consistent performance. Manufactured from hardened steel for lasting durability, this GO gauge stands up to daily use in busy workshops.