Widin Carbide Corner Radius End Mill For Mold & Die - 2 Flute Long Neck - 4mm x45mm x R1The Widin Carbide Corner Radius End Mill is a 4 mm diameter cutting tool designed for precise mold and die work. With a 1 mm corner radius and a 30 helix, it delivers smooth finishes and deep reach capability for intricate features. Diameter: 4 mm Overall length: 45 mm Corner radius: R1 (1 mm) Flutes: 2 Helix angle: 30 Shank neck design: Long neck for deep groove access and stability Material: Carbide Primary application: Mold and die machining,