Solid Carbide End Mill 12mm 12R1.5x45x100xD12D1 (Cutting diameter): 12mm L2 ( Length of cut): 45mm L1 (Total length): 100mm D2 (Shank diameter): 12mm Z (Number of cutting edges): 6 R Corner radius: 1. 5 Helical pitch: 45 Ultrafine carbide grade specially developed for machining hardened steels Adapted rake angle for safe milling up to 70 HRC Defined cutting edge preparation for homogeneous wear Radius tolerance r 1. 5 mm: 0. 003 mm Radius tolerance r > 1. 5 mm: 0. 005 mm Reduce the axial depth