JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M20 x 1 Face Mill Arbors - Anti-Vibration and M35 cobalt-infused HSS-E substrate

and M35 cobalt-infused HSS-E substrate supports stable cutting action and extended wear life

ISO H5 Tolerance at 22

making complex shapes easier to achieve

designed to finish drilled holes to tight ISO H5 tolerances

and consistent results across multiple parts and runs

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M20 x 1 Face Mill Arbors - Anti-Vibration and M35 cobalt-infused HSS-E substrateThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6g M20 x 1 is a precision ring gauge designed to verify external thread diameters against the M20 x 1 right hand standard. Built for busy workshops, labs, and field service, it helps engineers and quality teams quickly confirm proper threading, supporting reliable assembly and consistent performance. Go gauge for quick pass fail verification: Quickly confirms whether external threads meet the M20 x