JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M20 x 0.75 S&E paired with a straight shank

paired with a straight shank for stable manual reaming performance

The combination of left-hand spiral flute and right-hand cutting delivers controlled material removal and a smoother finish

Left-hand spiral flute with right-hand cutting: Efficient chip control and stable cutting

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

accurate bore in a range of materials

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M20 x 0.75 S&E paired with a straight shankThe 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