JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M39 x 1.5 ER Collet Chucks this reamer features a left-hand

this reamer features a left-hand spiral flute with right-hand cutting and a through-coolant design that directs coolant through the body for chip evacuation and consistent cutting temperatures

Cutting application: Ideal for contouring

DIN 8051 B tolerance: D = ISO H5: Tight

Broad diameter range with tight tolerance: Covers 0

and ensures reliable results across demanding materials and taper angles

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M39 x 1.5 ER Collet Chucks this reamer features a left-handThe JBO Thread Ring Gauge (NoGo) Metric Fine Right Hand 6g M39 x 1. 5 is a precise external thread gauge designed to verify metric fine threads with quick, reliable Go NoGo checks. Its ideal for machinists, quality inspectors, and maintenance teams who need fast confirmation that threaded parts meet exact size and tolerance requirements. Crafted from hardened steel, this gauge is built for durability in busy workshops. The user friendly NoGo design