JBO Thread Ring Gauge (GO) - BSF - Right Hand - Medium Class - 1/2 x 16 End Mill Holders high-precision work with fewer passes

high-precision work with fewer passes

High-speed balance for smooth cutting: Balance grades G2

reliable changes and seamless workflow integration

helping you achieve consistent results over longer tool life

The hardened-steel body delivers dependable accuracy over many years of use

JBO Thread Ring Gauge (GO) - BSF - Right Hand - Medium Class - 1/2 x 16 End Mill Holders high-precision work with fewer passesThe JBO Thread Ring Gauge (GO) BSF, Right Hand, Medium Class, 1 2 x 16, is a precision tool designed for fast, reliable verification of external BSF threads. It helps machinists, inspectors, and buyers quickly confirm that threaded components meet exact size and pitch requirements. Built from hardened steel for lasting durability, this GO gauge withstands busy workshop conditions and resists wear, ensuring stable, repeatable measurements across daily