Solid Carbide End Mill 3mm 3R0.1x6-x54xD6D1 (Cutting diameter): 3mm L2 (Length of cut): 6mm L1 (Total length): 54mm D2 (Shank diameter): 6mm Z (Number of cutting edges): 4 R Corner radius: 0. 1mm Helical Pitch: 40 Extra stable tool core with a slightly conical course Special unequal tooth pitch combined with variable helical pitch for smooth running Designed for maximum removal rate when milling with high radial depth of cut and in the full slot up to 1xD For process reliable ramping,