JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 3A - 5/16 x 24 FMH The Carmex Mini Carbide Chamfer

The Carmex Mini Carbide Chamfer Cutter 90° Long Reach is a compact

easy checks

you’ll benefit from a clear despatch window of 24–48 hours

This reamer helps you achieve consistent hole sizes

This reamer is designed to improve workflow by delivering repeatable

JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 3A - 5/16 x 24 FMH The Carmex Mini Carbide ChamferThe JBO Thread Ring Gauge (NoGo) is a precision measuring tool designed to quickly verify external UNF threads. Sized for 5 16 x 24 UNF with a right hand thread and a 3A tolerance, its a reliable choice for manufacturing, automotive, aerospace, and quality inspection teams. With its NoGo design, non conforming threads are easy to spot, helping prevent mismatched parts and ensure proper fitment from the start. Crafted from hardened steel, this gauge