JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M9 x 1 Endmill25 Material: HSS (M2) precision alloy

Material: HSS (M2) precision alloy for durable cutting edges

0 mm with a strict +0 / -0

helping reduce heat and chip buildup for longer tool life and better surface finish in demanding applications

true fit in standard toolholders for consistent results across jobs

Its left-hand spiral flute and right-hand cutting deliver controlled material removal for accurate hole sizing

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M9 x 1 Endmill25 Material: HSS (M2) precision alloyThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 4h M9 x 1 is a precision external thread gauge designed to help you confirm whether threaded components meet exact size and tolerance requirements. Ideal for engineering teams, machine shops, inspectors, and quality departments, it enables quick, reliable verification during production, assembly, and maintenance tasks. Crafted from hardened steel for lasting durability, this GO gauge is built to