Precision spiral flute design for smooth finishing: The left-hand spiral flute paired with right-hand cutting provides controlled material removal
and workshop technicians who value predictable performance
repeatable bore sizes that fit reliably in assemblies and downstream operations
improves acceptance accuracy
This reamer helps you achieve tight hole tolerances and a smooth bore finish
JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M22 x 0.75 Morse Taper Adaptor Precision spiral flute design forThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 4h, M22 x 0. 75, is a precision tool designed to verify external thread diameters with confidence. Built for engineers, machinists, inspectors, and workshop teams, it helps confirm components meet the required 4h tolerance quickly and reliably. Precise GO gauge for metric fine threads: delivers quick, pass fail verification against the M22 x 0. 75 4h external thread spec, reducing measurement