JBO Thread Ring Gauge (GO) - UNEF - Right Hand - 2A - 1 1/8 x 18 S&E 75 right-hand threads in the

75 right-hand threads in the 6e class

Crafted from HSS (M2) and finished to ISO H5 tolerance (-0 to +0

Fast NoGo checks for quick quality decisions: Enables immediate identification of non-conforming threads

making it suitable for a range of machining applications where precision matters

Left-hand spiral flute with right-hand cutting: Enables efficient chip evacuation and stable hole finishing for reliable

JBO Thread Ring Gauge (GO) - UNEF - Right Hand - 2A - 1 1/8 x 18 S&E 75 right-hand threads in theThe JBO Thread Ring Gauge (GO) for UNEF, Right Hand, 2A, 1 1 8 x 18, is a precision tool designed to verify external thread diameters quickly and reliably. Its ideal for machinists, inspectors, and quality teams across manufacturing, automotive, and aerospace applications who need to confirm that threaded components meet UNEF 2A GO requirements. Built from hardened steel, this gauge delivers durability that stands up to demanding shop floor use while