Solid Carbide End Mill 2mm 2R0.1x5-10x57xD6D1 (Cutting diameter): 2mm D3 (Undercut diameter): 1. 8mm L2 ( Length of cut): 5mm L3 (Length of undercut): 10mm L1 (Total length): 57mm D2 (Shank diameter): 6mm Z (Number of cutting edges): 4 R Corner radius: 0. 1 Helical pitch: 40 Extra stable tool core with a slightly conical course Special unequal tooth pitch combined with variable helical pitch for smooth running Innovative grinding of the flute back for constant, ideal cooling of the cutting