Widin Carbide Corner Radius End Mill For Mold & Die - 2 Flute - 12mm x R4Widin's Carbide Corner Radius End Mill is a precision cutting tool designed for mold and die machining, delivering reliable performance in demanding cavity shapes. It combines a 12 mm diameter with a 4 mm corner radius (R4) and a practical 2 flute design for efficient material removal. Diameter: 12 mm Corner Radius: R4 (4 mm) Flutes: 2 flute geometry for efficient chip evacuation and smooth cutting Material: Carbide, offering high hardness and wear