JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M20 x 0.75 S&E while the straight shank and

while the straight shank and left‑hand spiral flute optimize stability and chip evacuation

delivering reliable stability at speeds up to 25

square holes

Designed for straight‑shank use

Coating: Diamond-Like Carbon (DLC) coating enhances wear resistance and lubricity at high speeds and feeds

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M20 x 0.75 S&E while the straight shank andThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 4h, M20 x 0. 75 is a precision tool used to verify external thread diameters against the NoGo limit, helping ensure parts will assemble correctly and meet exacting metric standards. Designed for engineers, quality inspectors, machinists, and fabricators, its durable construction and exact dimensions support fast, reliable inspections in demanding production environments. Exact metric fine NoGo