Widin Carbide Corner Radius End Mill - 4 Flute Long Shank - 5mm x R0.3Designed for machinists tackling hard materials, the Widin Carbide Corner Radius End Mill features a 5 mm cutting diameter and a precise 0. 3 mm corner radius, optimized for clean fillets and high precision milling. The 4 flute geometry and long shank provide stable cutting and deep reach for complex grooves. Diameter x Radius: 5 mm cutting diameter with a 0. 3 mm corner radius for precise corners and smooth transitions in filleted edges. Flute