JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M39 x 1.5 RPTECH or shape to match a

or shape to match a specific component

reducing the need for frequent rework

while a reliable locking mechanism keeps the tool securely in place for repeatable performance

helping reduce heat and improve surface finish

it features a straight shank and a left-hand spiral flute with right-hand cutting to deliver clean

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M39 x 1.5 RPTECH or shape to match aThe JBO Thread Ring Gauge (GO) Metric Fine is a precision tool designed to verify external thread diameters to exact metric standards. Its ideal for machinists, QC inspectors, and assembly teams who need fast, reliable Go checks during production. With its right hand thread, 4h tolerance, and M39 x 1. 5 specification, it provides a conclusive Pass Fail measure for critical components. Precise GO verification for M39 x 1. 5 metric fine: Quickly