Solid Carbide End Mill 0.2mm 0.2R0.05x0.2-0.5x50xD4D1 (Cutting diameter): 0. 2mm D3 (Undercut diameter): 0. 18mm L2 (Length of cut): 0. 2mm L3 (Length of undercut): 0. 5mm L1 (Total length): 50mm D2 (Shank diameter): 4mm Z (Number of cutting edges): 2 R Corner radius: 0. 05mm Helical Pitch: 30 Optimized face geometry for excellent surfaces and highest dimensional accuracy Defined microbevel for support and stabilization Polished chip space for ideal chip evacuation Multipass milling of 3D contours