JBO Thread Ring Gauge (GO) - UNF - Right Hand - 2A - No. 12 x 28 Milling Cutter Arbors delivering better fit

delivering better fit

6 mm diameter and a robust 4 mm shank

15 mm) over more cycles and reducing rework in tough or finishing applications

secure mounting in CNC and manual machines

this metric fine Go gauge delivers durable performance and long-lasting accuracy even in demanding workshops

JBO Thread Ring Gauge (GO) - UNF - Right Hand - 2A - No. 12 x 28 Milling Cutter Arbors delivering better fitThe JBO Thread Ring Gauge (GO) for UNF external threads is a precision inspection tool designed to verify external thread diameters quickly and reliably. Suitable for engineers, machinists, inspectors, and quality teams, it helps confirm conformance with UNF thread standards during production and in process checks. Its reliable GO functionality and exact sizing (No. 12 x 28) ensure that only correctly threaded parts pass inspection. Rugged Hardened