JBO Thread Ring Gauge (GO) - UNEF - Left Hand - 2A - 15/16 x 20 Shrink Fit Holders reduces chipping at corners

reduces chipping at corners

high-quality rib contours with fewer passes and less manual touch-up

repeatable seating: Provides stable alignment in toolholders

and cobalt-enhanced core supports reliable performance on both routine projects and precision cuts

0 mm cuts while delivering precise

JBO Thread Ring Gauge (GO) - UNEF - Left Hand - 2A - 15/16 x 20 Shrink Fit Holders reduces chipping at cornersThe JBO Thread Ring Gauge (GO) UNEF Left Hand 2A 15 16 x 20 is a precision tool designed for quick, reliable checks of external threads on left hand components. Ideal for machinists, inspectors, and quality teams, it helps verify that parts conform to the 15 16 20 UNEF left hand specification with confidence and speed. Precise GO gauge for UNEF left handed external threads: quickly confirm whether a parts diameter meets the 15 16 x 20 UNEF left hand