JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M3 x 0.5 Power Milling Chucks Use it when you need

Use it when you need accurate bore size and a superior surface finish in semi-rough to finish passes

enhances cut quality

aligned with DIN 212-B tolerance requirements (±0

thanks to tight ISO H4 tolerance

and repeatable results across batches

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M3 x 0.5 Power Milling Chucks Use it when you needThe 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