JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6e - M4 x 0.5 FMH FLH FHH S&E A&NF M&D maintaining accuracy and delivering long

maintaining accuracy and delivering long service life

Diameter: 3 mm cutting diameter for tight features and precise holes

HSS-E (M35 cobalt) durability: Cobalt-enhanced HSS resists wear

Through coolant: Carries coolant through the tool to cool the cutting edge

true bore in metal parts and assemblies

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6e - M4 x 0.5 FMH FLH FHH S&E A&NF M&D maintaining accuracy and delivering longThe JBO Thread Ring Gauge GO, Metric Fine, Right Hand, 6e, M4 x 0. 5 is a precision inspection tool designed to verify external thread diameters and ensure conformance across manufacturing, assembly, and quality control processes. Its ideal for engineers, buyers, tradespeople, hobbyists, and technicians who need reliable, quick checks of metric fine threads. Crafted from hardened steel, this GO ring gauge delivers durable, wearresistant performance in