Solid Carbide End Mill 20mm 20x60-74x126xD20D1 (Cutting diameter): 20mm D3 (Undercut diameter): 19. 4mm L2 ( Length of cut): 60mm L3 (Length of undercut): 74mm L1 (Total length): 126mm D2 (Shank diameter): 20mm Z (Number of cutting edges): 4 Optimized chip chambers for a large chip volume Adapted roughing teeth for small chips For roughing under HPC conditions * MADE IN GERMANY * Cooling: air cooled, dry, water min, water max Tolerance: e8 Coating: BetaUni Iron Applications: X, Y, Helical