Solid Carbide End Mill 16mm 16R0.3x32-44x92xD16D1 (Cutting diameter): 16mm D3 (Undercut diameter): 15. 5mm L2 ( Length of cut): 32m L3 (Length of undercut): 44mm L1 (Total length): 92mm D2 (Shank diameter): 16mm Z (Number of cutting edges): 4 Corner radius: 0. 3 Helical pitch: 40 Unequal tooth pitch combined with variable helical pitch for smooth running Reinforced cutting edge with corner protection radius Enlarged chip chambers for flushing with cooling lubricant Unleashes its full performance