JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M40 x 1.5 FLH Using the JBO Thread Ring

Using the JBO Thread Ring Gauge (NoGo) streamlines your quality-control workflow by delivering fast

The TiAlN coating reduces wear under heavy cutting forces

Left-hand spiral flute with right-hand cutting: Optimizes chip control and cutting action for stable

while the tapered neck provides better clearance in tight pockets

Shank type: Long shank enables access to deep grooves and tight cavities without compromising rigidity

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M40 x 1.5 FLH Using the JBO Thread RingMeet the JBO Thread Ring Gauge (NoGo) a precision tool for checking external metric fine threads. Designed for left hand M40 x 1. 5 threads, this NoGo gauge helps engineers, inspectors, and production teams quickly confirm thread conformance and prevent misfits in assemblies. Crafted from hardened steel for durability, it withstands routine use in busy workshops while delivering reliable NoGo results at the required size. NoGo quick conformance check: