JBO Thread Ring Gauge (GO) - UNF - Right Hand - 3A - 1/4 x 28 ER Collet Chucks 5 precision for repeatable positioning:

5 precision for repeatable positioning: Ensures consistent tool location and tight runout control across multiple parts

No-Go design for fast conformance checks: The no-go feature provides an immediate visual cue for non-conforming threads

Designed for right-hand threads with a 4H tolerance

Application: Suitable for use in milling machines and CNC machining centers on steel

JBO Thread Ring Gauge (GO) - UNF - Right Hand - 3A - 1/4 x 28 ER Collet Chucks 5 precision for repeatable positioning:The JBO Thread Ring Gauge (GO) for UNF right hand threads in size 1 4 x 28 is a precision Go gauge designed to verify external thread diameters quickly and reliably. It supports quality control across machining, assembly, and maintenance tasks, helping you confirm that threaded components meet the 1 4 28 UNF standard with minimal effort. Crafted from hardened steel, it delivers durable performance in demanding work environments while resisting wear