JBO Thread Ring Gauge (GO) - UNEF - Left Hand - 2A - 1/4 x 32 Face Mill Arbors - Through Coolant 1 corner radius supports accurate

1 corner radius supports accurate corner details and reduces wear

Carbide-tipped construction for long wear life: The K10 carbide tip delivers exceptional hardness and wear resistance

Carbide-tipped construction: extended wear resistance with stable

46 mm tool delivers controlled material removal and a smooth bore

JBO Thread Ring Gauge (GO) - UNEF - Left Hand - 2A - 1/4 x 32 Face Mill Arbors - Through Coolant 1 corner radius supports accurateThe JBO Thread Ring Gauge (GO) for UNEF, Left Hand, 2A in the 1 4 x 32 size is a precision tool designed to verify external threads quickly and reliably. Its ideal for engineers, machinists, inspectors, buyers, and hobbyists who need to confirm that threaded components meet UNEF standards with confidence. Hardened steel construction: Built to withstand daily use in busy shops with excellent wear resistance, providing long lasting, repeatable