JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M3.5 x 0.25 ER Collet Chucks Helix: High-helix geometry for fast

Helix: High-helix geometry for fast chip clearance and reduced recutting

enabling reliable performance on hardened steels and demanding alloys

repeatable diameter control

helping you achieve accurate geometry without bogging down your setup

helping maintain cutting efficiency and hole quality across passes

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M3.5 x 0.25 ER Collet Chucks Helix: High-helix geometry for fastThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to verify external metric fine threads. Specifically tuned for right hand M3. 5 x 0. 25 threads and 6g tolerance, this gauge helps ensure parts meet the exact thread dimensions required for reliable assembly. Its well suited for engineers, machinists, quality inspectors, and workshop teams needing fast, conclusive go no go checks. Manufactured from hardened steel, the gauge