JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 3A - 1 1/2 x 12 FLH with a clear dispatch window

with a clear dispatch window since it is manufactured to order—so your planning stays on track

intermediate-grade HSS tool designed for finishing holes to tight tolerances

Engineered for precision hole enlargement and finishing

Material: Solid carbide construction for exceptional wear resistance and longevity

Intended Material: Optimized specifically for aluminum workpieces

JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 3A - 1 1/2 x 12 FLH with a clear dispatch windowJBO Thread Ring Gauge (NoGo) for UNF, Right Hand, 3A, 1 1 2 x 12. This precision inspection tool is designed for engineers, inspectors, machinists, and quality teams to quickly verify external thread diameters and ensure parts meet Unified thread standards and fitment requirements. Its NoGo design makes non conforming threads instantly identifiable, supporting reliable quality control across manufacturing, automotive, and aerospace applications.