Solid Carbide End Mill 3mm 3x22x75xD3D1 (Cutting diameter): 1mm L2 ( Length of cut): 8mm L1 (Total length): 75mm D2 (Shank diameter): 3mm Z (Number of cutting edges): 1 Helical pitch: 30 Defined clearance angle for ideal stabilization with high cutting depths Special helical pitch for smooth running and soft cut Balanced for maximum smoothness For use in high speed milling machines Long version with extra long cutting length For roughing and finishing, up to 1. 5xD full slot For process