JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M64 x 2 Face Mill Arbors - Through Coolant and promotes efficient chip evacuation

and promotes efficient chip evacuation for faster

Substrate: HSS-E (M35 cobalt) construction

25: Quickly confirms the external thread meets the required size and will thread properly with mating components

The Toolex Reamer with taper shank and spiral flute finishes metal holes with precise ISO H5-sized accuracy

plus a straight shank for broad compatibility with standard chucks and collets

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M64 x 2 Face Mill Arbors - Through Coolant and promotes efficient chip evacuationThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M64 x 2 is a precision inspection tool designed to verify external thread diameters with reliability. Ideal for engineers, machinists, quality control professionals, and workshop technicians, it provides quick, repeatable checks to confirm components meet specified thread standards. Crafted from hardened steel for durability, this metric fine, left hand GO gauge resists wear in demanding