JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6g - M4 x 0.7 RPTECH This reamer delivers precise hole

This reamer delivers precise hole sizes with a clean surface finish

and contour work without tool changes

Its robust carbide build and tapered geometry help you push through challenging materials while maintaining surface fidelity

Built for durability and repeatable results

offering reliable dimensional control for a wide range of machining tasks

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6g - M4 x 0.7 RPTECH This reamer delivers precise holeThe JBO Thread Ring Gauge (NoGo) Metric Coarse, Right Hand, 6g, M4 x 0. 7 is a precision inspection tool designed to streamline external thread inspections. Ideal for quality control teams, machine shops, and field technicians, it helps verify that your fasteners and threaded components meet exact thread diameter limits before assembly. Made from durable materials like hardened steel, this NoGo ring gauge is built to endure demanding work environments