JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - No. 2 x 64 ER Mini Collet Chucks Intermediate precision carbide (k10) with

Intermediate precision carbide (k10) with ISO H4 tolerance: Delivers precise bore size and dependable dimensional control for consistent results across production runs

supporting accurate assemblies in precision machining workflows

The straight shank integrates seamlessly with standard hand reaming setups

Go/No-Go quick checks: Instantly determine if threads conform or not by testing both go and no-go limits

supporting clean finishes in a variety of metalworking setups

JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - No. 2 x 64 ER Mini Collet Chucks Intermediate precision carbide (k10) withThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to verify external UNF threads on fasteners and machined components. This NoGo gauge is sized for Right Hand threads in the No. 2 x 64 range (2A class), making it ideal for manufacturers, inspectors, and shop floor technicians who need quick, reliable pass fail checks against Unified thread standards. UNF Right Hand NoGo Design: Provides a clear pass fail indication for external