JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6e - M55 x 1.5 FMH FLH FHH S&E A&NF M&D 275 mm in diameter for

275 mm in diameter for tight-tolerance applications

The hand reamer delivers a controlled finish to drilled holes

reduce vibration-related variability

compact profile

and confident pass/fail decisions for every part

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6e - M55 x 1.5 FMH FLH FHH S&E A&NF M&D 275 mm in diameter forThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6e, M55 x 1. 5 is a precision inspection tool designed to verify external thread diameters on fasteners and machined parts. Its ideal for engineers, buyers, tradespeople, hobbyists, and quality teams, helping you confirm that components meet the required thread size and pitch before assembly. This NoGo gauge provides a straightforward pass fail reference for critical threaded components. Built