JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M39 x 2 Shrink Fit Holders delivering consistent results in pocketing

delivering consistent results in pocketing

The taper shank provides secure seating in standard machine spindles

Designed to improve accuracy and reliability in production and workshop settings

this reamer helps you speed setups

The HSS (M2) composition offers strong wear resistance for repeated finishing passes

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M39 x 2 Shrink Fit Holders delivering consistent results in pocketingThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M39 x 2 is a precision Go gauge designed to verify external threads. It provides quick, reliable pass fail checks for components with metric fine threads, helping machinists, inspectors, and maintenance teams confirm they meet the M39 x 2 specification. This gauge is ideal for use in manufacturing, automotive, and repair environments where accurate thread verification matters. Crafted from