JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M1 x 0.25 End Mill Holders M2 High-Speed Steel with Spiral

M2 High-Speed Steel with Spiral Flute: Durable HSS with a left-hand spiral flute and right-hand cutting enables efficient chip evacuation and a clean

and dependable performance in high-volume jobs

The stable seating and tight tolerances reduce tool deflection

supporting accurate bore sizes and smooth finishes across applications

The short shank increases stiffness and minimizes tool deflection

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M1 x 0.25 End Mill Holders M2 High-Speed Steel with SpiralThe JBO Thread Ring Gauge (NoGo) Metric Coarse, Right Hand, 4h, M1 x 0. 25 is a precision inspection tool designed to quickly verify the external thread diameters on metric coarse fasteners and components. Its ideal for quality control teams, machine shops, and maintenance crews that need fast, reliable checks to confirm parts meet threading specifications. Crafted from hardened steel, this gauge delivers durable performance in demanding work