JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M3 x 0.5 Power Milling Chucks This reamer helps operators achieve

This reamer helps operators achieve precise hole finishes quickly

thanks to tight ISO H4 tolerance

it delivers reliable performance in demanding milling

helping you achieve consistent results over longer tool runs

flexible reach

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M3 x 0.5 Power Milling Chucks This reamer helps operators achieveThe JBO Thread Ring Gauge (NoGo) is a precision tool designed to verify external metric coarse threads. Built for right hand threads and calibrated for M3 x 0. 5 with a 4h tolerance, it delivers quick, reliable checks to confirm parts meet specifications before assembly. Ideal for quality control, manufacturing, and maintenance teams, this NoGo gauge helps inspectors identify non conforming components early, reducing rework and ensuring reliable fit