JBO Thread Ring Gauge (GO) - UNC - Right Hand - 2A - No. 1 x 64 Tapping Chucks This end mill is a

This end mill is a dependable choice for workshops and shops that value consistency and efficiency in daily milling tasks

Coating: New generation PVD coating for enhanced performance and longer tool life

Applications: Ideal for enlarging holes or finishing to a precise diameter in a wide range of materials

The tool is built around a DIN 8051-B taper shank with ISO H5 tolerance

and serious hobbyists tackling deep slots

JBO Thread Ring Gauge (GO) - UNC - Right Hand - 2A - No. 1 x 64 Tapping Chucks This end mill is aThe JBO Thread Ring Gauge (GO) UNC Right Hand 2A No. 1 x 64 is a precision Go gauge used to verify external thread diameters against UNC standards. Designed for machinists, inspectors, and quality teams, it provides quick, reliable checks during assembly and inspection. Built from hardened steel, it resists wear in demanding environments and maintains accurate dimensions over time. The No. 1 x 64 size with 2A class and right hand threading ensures