JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M39 x 2 G With a 14 mm diameter

With a 14 mm diameter and a 2 mm corner radius

Versatility: Reliable performance across a wide range of materials and machining setups

maintaining hole size and reducing frequency of tool changes in demanding materials

and consistently producing high-quality surfaces in a variety of machining tasks—from intricate small-feature work to demanding roughing and finishing passes

Intermediate precision carbide (K10) stub reamer: Delivers repeatable hole sizes with longer tool life for finish-critical holes

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M39 x 2 G With a 14 mm diameterThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6h M39 x 2 is a precision tool designed to verify external thread diameters against the metric fine standard. Its ideal for engineers, machinists, quality control professionals, and workshop technicians who need fast, reliable checks that components meet exact specifications. Crafted from hardened steel, this GO ring gauge delivers exceptional durability and wear resistance in demanding