JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - 5/8 x 18 4 Month Widin while the M2 HSS composition

while the M2 HSS composition resists wear for repeated use

Its 80 mm long

Designed for dependable results across a range of applications

smooth edges and reliable performance in challenging jobs

5 fine thread

JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - 5/8 x 18 4 Month Widin while the M2 HSS compositionThe JBO Thread Ring Gauge (NoGo) is a precision tool designed to verify external threads on fasteners and machined components. It is specifically sized for UNF right hand threads of 5 8 x 18 and 2A class, helping quality teams in manufacturing, automotive, and aerospace ensure parts meet Unified thread standards. Crafted from hardened steel, this gauge stands up to daily use without losing accuracy. The NoGo design provides a quick, clear pass fail