JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M4 x 0.35 RPTECH The straight shank and balanced

The straight shank and balanced geometry promote stable alignment in common reaming setups

supporting smooth assembly and reduced rework

meaning longer life between regrinds and more consistent hole size over many uses

Precise GO verification for M8 x 1

variable-helix design for stability: The combination minimizes chatter and vibration

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M4 x 0.35 RPTECH The straight shank and balancedThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M4 x 0. 35 is a precision tool designed to verify external thread diameters with confidence. Ideal for engineers, machinists, inspectors, and hands on workshop professionals, it delivers quick, reliable checks for M4 x 0. 35 left hand threads, helping you confirm part conformity in a fast paced environment. Crafted from hardened steel for lasting durability, this GO gauge features precise