With its tight run-out control and robust construction
77 mm nominal cutting size for exact hole enlargement and final finishing
delivering a cleaner finish per pass
Intended precision: Intermediate precision finishing ensure repeatable hole quality
The long-neck form provides the reach and stability needed to navigate complex mold and die geometries
JBO Thread Ring Gauge (GO) - UNF - Left Hand - 2A - No. 8 x 36 NCDC Drill Chuck With its tight run-out controlThe JBO Thread Ring Gauge (GO) for UNF, Left Hand, 2A, No. 8 x 36 is a precision go gauge used to verify external thread diameters against UNF GO standards. Designed for engineers, inspectors, machinists, and quality teams, it enables fast, repeatable checks of threaded components and helps ensure parts meet exact UNF specifications, including left hand threads. Crafted from hardened steel, this gauge delivers lasting durability and stable performance