JBO Thread Ring Gauge (GO) - UNF - Left Hand - 2A - No. 3 x 56 RPTECH ISO H5 Tolerance with BS

ISO H5 Tolerance with BS 328/4 Compliance: Delivers tight diameter control and reliable compatibility with standard tooling for repeatable results

dependable cutting performance when shaping graphite parts

The long shank design enhances reach and stability for deep grooves and intricate pockets

Carbide k10 intermediate-precision grade: Delivers a durable

thanks to its newly developed carbide composition and coating

JBO Thread Ring Gauge (GO) - UNF - Left Hand - 2A - No. 3 x 56 RPTECH ISO H5 Tolerance with BSJBO Thread Ring Gauge (GO) for UNF Left Hand 2A No. 3 x 56 is a precision inspection tool designed to verify external thread diameters on components with UNF threads. This GO gauge is tailored for left hand threads and the No. 3 x 56 size, helping engineers, machinists, and inspectors confirm standard conformance quickly and consistently. Manufactured from hardened steel, this ring gauge resists wear in busy workshop environments and remains accurate