Best Carbide Regular Length AITiN coated 2-Flute End Mill 25mm, Square End Insize Thread GO Ring Gauge 5/8"-18 UNF Series 4121-5C2 To know what size the

To know what size the insert should be it refers to the last two digits in the code -  MCLNL2525M12 meaning a CN-12 insert

Functional Length (L1): 250 mm

This listing includes both the keyless drill chuck and the Weldon shank adaptor

Supplied with an Insize manufacturer inspection certificate

Best Carbide Regular Length AITiN coated 2-Flute End Mill 25mm, Square End Insize Thread GO Ring Gauge 5/8"-18 UNF Series 4121-5C2 To know what size theBest Carbide's high performance cutting tools are engineered for precision and durability. This tool is part of a specialized series built for accurate milling, drilling, and slotting operations across a wide range of materials. Cutting Diameter: 25mm Shank Diameter: 25mm No. of Flutes: 2 Coating: AlTiN Made from solid carbide for extended tool life Optimized for performance in steels, alloys, and hardened materials Manufactured in the USA to exacting