JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 3A - 1 1/4 x 12 Milling Cutter Arbors and tapping for consistent results

and tapping for consistent results

and inspectors confirm hole sizes quickly and reliably

Secure ER20 compatibility: Provides reliable grip on round shanks within an ER20 chuck

this saw supports high-output workflows without compromising part quality

delivering exact NoGo checks to confirm hole acceptance against metric fine-thread standards

JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 3A - 1 1/4 x 12 Milling Cutter Arbors and tapping for consistent resultsThe JBO Thread Ring Gauge (NoGo) UNF Right Hand 3A 1 1 4 x 12 is a precision tool designed to verify external thread diameters to Unified standards. Its built for engineers, inspectors, machinists, and quality teams who need quick, reliable checks on threaded parts. Ideal for manufacturing, automotive, and aerospace environments, this NoGo gauge makes it easy to identify non conforming threads and prevent misfits in assemblies. Crafted from hardened