delivering rigid clamping and low deflection in demanding milling applications
Built for machinists who value consistent hole sizes and smooth bore finishes
while the straight shank compatibility supports a wide range of drilling and reaming setups
Despatch Lead Time: Please allow 24–48 hours for despatch
professional screw seating
JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6h - M2 x 0.4 Boring Bar Blank delivering rigid clamping and lowThe JBO Thread Ring Gauge (NoGo) Metric Coarse, Right Hand, 6h, M2 x 0. 4 is a precision inspection tool designed to verify external thread diameters against the NoGo limit. Ideal for quality control labs, machine shops, engineering teams, and manufacturing lines, it provides fast, reliable pass fail checks to confirm metric coarse threads meet exacting standards. Crafted from hardened steel for exceptional durability, this gauge stands up to daily