JBO Thread Ring Gauge (GO) - UNF - Right Hand - 2A - No. 1 x 72 NCDC Drill Chuck Tight tolerances for repeatability: D

Tight tolerances for repeatability: D = ±0

and yields a cleaner surface finish with longer tool life

promoting smoother cuts and steadier performance across demanding materials

it ensures superior concentricity between the tool and the workpiece

built on HSS‑E with AcuRea coating for durable performance

JBO Thread Ring Gauge (GO) - UNF - Right Hand - 2A - No. 1 x 72 NCDC Drill Chuck Tight tolerances for repeatability: DJBO Thread Ring Gauge (GO) UNF Right Hand 2A No. 1 x 72 is a precision tool designed to verify external UNF threads with speed and confidence. Ideal for machinists, quality control inspectors, maintenance teams, and shop floor technicians, it provides a clear go no go reference to ensure threaded components meet exact specifications and fit requirements. Crafted from hardened steel, this ring gauge delivers exceptional durability and wear resistance