JBO Thread Ring Gauge (GO) - UNC - Right Hand - 3A - No. 5 x 40 FMH FLH FHH S&E A&NF M&D By choosing the Omega ER40

By choosing the Omega ER40 Ultra Precision Collet

DIN 8093 / ISO H4 tolerance: Ensures precise hole size and reliable interchangeability with standard tooling and setups

and standard dimensional tolerance

Straight shank for stable chucking: A cylindrical shank that fits standard collets and toolholders

and creating clean internal radii

JBO Thread Ring Gauge (GO) - UNC - Right Hand - 3A - No. 5 x 40 FMH FLH FHH S&E A&NF M&D By choosing the Omega ER40The JBO Thread Ring Gauge (GO) for UNC threads, Right Hand, 3A, No. 5 x 40, is a precise go gauge designed to verify external thread diameters quickly and reliably. Its ideal for engineers, machinists, quality control teams, and assembly personnel who need fast, confident pass fail checks on threaded components. Crafted from hardened steel, this gauge delivers durable performance in demanding shop environments. Its wear resistant construction stands