Europa Tools Carbide End Mill 4 Flute Corner Radius - Double Core - Mastermill VXD - 20mm x R1.5The Europa Tools Mastermill VXD Carbide End Mill is a 20 mm diameter, 4 flute cutter with a 1. 5 mm corner radius, engineered for stability and precision in demanding milling tasks. Diameter: 20 mm cutting diameter for solid, consistent material removal Corner Radius: R1. 5 to reduce chipping at corners and improve edge quality on contouring and pocketing Flute Count: 4 flute geometry designed for efficient chip evacuation and a smoother surface