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

repeatable hole sizes and easy interchangeability with standard tooling

Material: Powder metal body delivering exceptional durability

keeping your work area cleaner and reducing downtime

metric slitting saw is designed for machinists who need consistent slots on small components with cleaner finishes

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