JBO Thread Ring Gauge (GO) - BSW - Right Hand - Medium Class - 7/8 x 9 Widin New This intermediate precision stub reamer

This intermediate precision stub reamer from Toolex is engineered for consistent hole finishing in steel and alloys

The spiral flute design minimizes chip buildup for steady cutting

while the left-hand spiral flute assists chip evacuation for smoother finishes and reduced clogging

Experience precise hole finishing with consistent roundness and a smooth surface finish

and hobbyists requiring accurate bore sizing in challenging materials

JBO Thread Ring Gauge (GO) - BSW - Right Hand - Medium Class - 7/8 x 9 Widin New This intermediate precision stub reamerIntroducing the JBO Thread Ring Gauge (GO) BSW Right Hand Medium Class 7 8 x 9. This precision GO gauge verifies external thread diameters with repeatable accuracy across manufacturing, inspection, and assembly environments. Its built for engineers, machinists, quality teams, and hobbyists who need quick, reliable confirmation that parts conform to the 7 8 x 9 righthand BSW standard. Crafted from hardened steel, it resists wear in demanding workshops