JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M48 x 1.5 FMH making it a reliable choice

making it a reliable choice for machinists working with steel and other alloys

Through-Coolant delivery for consistent finishes: coolant through the shank keeps cutting edges cooler

The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M8 x 0

slip-free grip on 10 mm end mills at speeds up to 12

0 mm cutting diameters with multiple neck lengths to reach tight pockets and complex profiles in molds and dies

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M48 x 1.5 FMH making it a reliable choiceThe JBO Thread Ring Gauge (NoGo) Metric Fine Right Hand 6g M48 x 1. 5 is a precision ring gauge designed to verify external threads on mating components. Ideal for engineers, machinists, quality inspectors, and maintenance teams, it helps confirm that parts meet exact thread dimensions so assemblies fit and perform as intended. Made from hardened steel for durability, this NoGo gauge resists wear in demanding shop environments. Its tight tolerances