JBO Thread Ring Gauge (GO) - UNF - Left Hand - 2A - No. 3 x 56 RPTECH dependable cutting performance when shaping

dependable cutting performance when shaping graphite parts

wear‑resistant construction: Hardened steel stands up to daily use

HSS-E finishing tool designed for professionals who demand tight diameter control and smooth hole surfaces

003 mm and straight shank: Ensures precise hole size on every pass and easy mounting in standard tool holders for quick setup

Carbide k10 intermediate-precision grade: Delivers a durable

JBO Thread Ring Gauge (GO) - UNF - Left Hand - 2A - No. 3 x 56 RPTECH dependable cutting performance when shapingJBO 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