JBO Thread Ring Gauge (NoGo) - UNC - Right Hand - 3A - No. 3 x 48 Widin New HSS (M2) reamer features a

HSS (M2) reamer features a left-hand spiral flute and right-hand cutting for controlled material removal and reliable bore size

it delivers precise hole sizing and efficient chip evacuation

providing long service life and dependable operation across demanding drilling tasks

pair it with a compatible ER40 chuck and nut

enabling flexible setup across multiple machines and setups

JBO Thread Ring Gauge (NoGo) - UNC - Right Hand - 3A - No. 3 x 48 Widin New HSS (M2) reamer features aJBO Thread Ring Gauge NoGo, UNC, Right Hand, 3A, No. 3 x 48, is a precision external thread gauge designed to verify thread diameters against Unified standards. Its ideal for manufacturers, automotive shops, and aerospace supply chains that rely on reliable, inspection grade threading checks. The NoGo design helps you quickly identify non conforming threads, preventing mismatches and ensuring proper fitment in assemblies. Crafted from hardened steel