JBO Thread Ring Gauge (GO) - UNEF - Right Hand - 2A - 1 1/8 x 18 S&E it delivers accurate contours and

it delivers accurate contours and smooth finishes on complex graphite parts

stable interface between your slotted boring bar and tooling

75 right-hand threads in the 6e class

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

while the long-length design provides extended reach for deep cavities and complex features

JBO Thread Ring Gauge (GO) - UNEF - Right Hand - 2A - 1 1/8 x 18 S&E it delivers accurate contours andThe 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