JBO Thread Ring Gauge (GO) - UNF - Left Hand - 2A - No. 8 x 36 NCDC Drill Chuck ensuring tools stay centered during

ensuring tools stay centered during heavy milling and drilling for better parts and longer tool life

Intended precision: Intermediate precision finishing ensure repeatable hole quality

77 mm nominal cutting size for exact hole enlargement and final finishing

05 for controlled fillets and precise corner detailing

delivering a cleaner finish per pass

JBO Thread Ring Gauge (GO) - UNF - Left Hand - 2A - No. 8 x 36 NCDC Drill Chuck ensuring tools stay centered duringThe 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