JBO Thread Ring Gauge (NoGo) - UNF - Left Hand - 2A - 3/4 x 16 FMH FLH FHH S&E A&NF M&D The straight shank provides flexible

The straight shank provides flexible compatibility with various milling machines

helping achieve consistently accurate holes

while delivering ISO H4 (D) accuracy per DIN 8093

and lowering the risk of scrap or rework

Its carbide construction provides outstanding wear resistance and long tool life

JBO Thread Ring Gauge (NoGo) - UNF - Left Hand - 2A - 3/4 x 16 FMH FLH FHH S&E A&NF M&D The straight shank provides flexibleThe JBO Thread Ring Gauge (NoGo) is a precision tool designed to verify external UNF threads with clarity and speed. Specifically configured for left hand threads in the 3 4 x 16 size range with a 2A tolerance, this gauge helps inspectors and machinists confirm that parts meet the Unified thread standard at a glance. Ideal for manufacturing, automotive, and aerospace environments, this NoGo gauge delivers a straightforward pass fail indication,