JBO Thread Ring Gauge (NoGo) - UNC - Left Hand - 2A - 3/8 x 16 Tapping Chucks rigid interface that’s easy to

rigid interface that’s easy to install

53mm is a precision finishing tool built for engineers

while efficient chip evacuation helps maintain clean cuts and a smoother finish

Lead time: Manufactured to order — dispatched within 24–48 hours

Versatile Specifications for Custom Fits: Wide selection of sizes

JBO Thread Ring Gauge (NoGo) - UNC - Left Hand - 2A - 3/8 x 16 Tapping Chucks rigid interface that’s easy toThe JBO Thread Ring Gauge (NoGo) for UNC Left Hand 3 8 x 16 (2A) is a precise inspection tool designed to verify external thread diameters against standard Unified thread specifications. Ideal for manufacturers, automotive and aerospace suppliers, and maintenance teams, it helps ensure components thread correctly and fit as intended. Built for busy environments, this No Go gauge lets you perform quick, unambiguous checks to identify non conforming