JBO Thread Ring Gauge (GO) - UNC - Right Hand - 3A - 1/2 x 13 Tapping Chucks supporting longer tool life and

supporting longer tool life and steadier cuts

With the cobalt-enhanced HSS

2) to tailor finishes to your specific mold or die geometry

Left-hand spiral flute with right-hand cutting: Combines efficient chip evacuation with predictable cutting action for clean

and other assemblies requiring a snug key fit

JBO Thread Ring Gauge (GO) - UNC - Right Hand - 3A - 1/2 x 13 Tapping Chucks supporting longer tool life andThe JBO Thread Ring Gauge GO for UNC is a precision measurement tool designed to quickly verify external thread diameters on components with UNC threads. Sized for 1 2 x 13 right hand threads, this GO gauge supports reliable pass fail inspection in quality control, manufacturing, machining, and maintenance environments. Crafted from hardened steel grade material, it offers durable performance in demanding shop floors and busy assembly lines. Go No Go