JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M140 x 1.5 Face Mill Arbors - Through Coolant The cobalt-infused HSS technology resists

The cobalt-infused HSS technology resists wear and maintains cutting sharpness through demanding cycles

Chip Evacuation: Optimized geometry promotes efficient debris removal during roughing

its stub length and straight shank make it ideal for compact tooling setups while delivering consistent

and hobbyists seeking dependable hole finishing

Stock note: “In stock” refers to blanks ready for machining the reamer

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M140 x 1.5 Face Mill Arbors - Through Coolant The cobalt-infused HSS technology resistsThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 6g, M140 x 1. 5 is a precision tool designed to quickly verify external thread diameters on fasteners, fittings, and machined parts. It's ideal for engineers, quality inspectors, machinists, and shop floor teams who rely on accurate go no go checks to ensure parts meet required thread standards. Crafted from hardened steel for exceptional durability and wear resistance, this GO gauge stands up to