The combination of a left-hand spiral flute and right-hand cutting enables controlled material removal in specialized applications
Spiral flute for efficient chip evacuation: The spiral design helps clear chips more effectively
delivering consistent final dimensions and faster cycle times
Its straight shank and stub length are optimized for tight work envelopes
is an intermediate precision taper-shank finishing tool for accurate bore sizing in metalworking
JBO Thread Ring Gauge (GO) - UNS - Right Hand - 2A - 13/16 x 16 Boring Bar Blank The combination of a left-handThe JBO Thread Ring Gauge (GO) for UNS, Right Hand, 2A, 13 16 x 16 is a precision Go gauge designed for quick, reliable checks of external thread diameters. Its an essential tool for engineers, inspectors, machinists, and quality teams to verify that threaded components conform to UNS standards with speed and confidence. Crafted from hardened steel, this ring gauge delivers durable, long lasting performance in demanding workshop environments. Its