JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M64 x 1.5 Endmill25 With a stub-length body and

With a stub-length body and straight shank

With a straight shank and DIN 8089 specifications

and others who need reliable hole finishing with repeatable results

and finishing operations where precise inside corners matter

JBO Thread Plug Gauge (GO) - Metric Fine - Left Hand - 6H - M64 x 1.5 Endmill25 With a stub-length body andThe JBO Thread Plug Gauge (GO) in Metric Fine LH M64 x 1. 5 is a go no go inspection tool designed for engineers, machinists, and quality teams. It provides a fast, reliable reference to verify threaded holes against the exact metric fine left hand thread specifications, helping ensure parts meet design intent and manufacturing standards. Exact metric fine left hand thread size (M64 x 1. 5) with 6H tolerance: Delivers precise, repeatable go checks