JBO Thread Ring Gauge (GO) - UNC - Right Hand - 2A - 5/16 x 18 FMH FLH FHH S&E A&NF M&D 35 right-hand threads with a

35 right-hand threads with a 4h tolerance

High Precision: G2

and components are within specification

stable measurements and long tool life

Solid carbide durability and precision: Built from solid carbide to deliver long tool life and consistent cutting accuracy

JBO Thread Ring Gauge (GO) - UNC - Right Hand - 2A - 5/16 x 18 FMH FLH FHH S&E A&NF M&D 35 right-hand threads with aThe JBO Thread Ring Gauge (GO) for UNC Right Hand 2A 5 16 x 18 is a precision Go gauge designed to verify external thread diameters to UNC standards. Its ideal for machinists, inspectors, and quality teams who need fast, reliable conformance checks on threaded components. Go No Go UNC 5 16 x 18 Right Hand 2A gauge: Delivers fast, decisive pass fail checks that keep production moving and ensure consistent results across parts. Hardened steel