JBO Thread Ring Gauge (GO) - UNC - Right Hand - 2A - 1 3/4 x 5 NCDC Drill Chuck Material compatibility: Specifically designed for

Material compatibility: Specifically designed for aluminum and other non-ferrous alloys to minimize built-up edge

it excels at carving detailed radii and curved features with consistent results

Coating: Uncoated finish to promote smoother chip flow and reduce friction during cutting

W-coated carbide for longer life: Increases wear resistance and cutting stability

consistent bores across materials

JBO Thread Ring Gauge (GO) - UNC - Right Hand - 2A - 1 3/4 x 5 NCDC Drill Chuck Material compatibility: Specifically designed forThe JBO Thread Ring Gauge (GO) for UNC external threads is a precision inspection tool designed to verify external thread size against the GO tolerance class (2A). Sized for 1 3 4 in diameter with 5 threads per inch, right hand UNC threads, this gauge is ideal for machinists, inspectors, and quality teams who need fast, reliable pass fail checks on threaded components. Crafted from hardened steel, its built to withstand daily use in busy workshops.