JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M56 x 2 FMH FLH FHH S&E A&NF M&D repeatable grip across a wide

repeatable grip across a wide range of tooling applications

Ball Nose for Smooth Curves: The ball nose profile creates gentle radii and seamless transitions on narrow ribs

tougher finishing tasks

Carbide (k10) Stub-Length

matched to ISO H7

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M56 x 2 FMH FLH FHH S&E A&NF M&D repeatable grip across a wideThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 4h, M56 x 2 is a precision inspection tool designed to verify external thread diameters to exact metric fine standards. Built for engineers, machinists, quality control teams, and workshop technicians, it provides fast, clear go no go feedback to confirm parts meet the M56 x 2 right hand thread specification. Precision GO gauge for fast, confident inspections: Enables quick pass fail checks of