Solid Carbide End Mill 16mm 16R2x16-44x92xD16D1 (Cutting diameter): 16mm D3 (Undercut diameter): 15mm L2 ( Length of cut): 16mm L3 (Length of undercut): 44mm L1 (Total length): 92mm D2 (Shank diameter): 16mm Z (Number of cutting edges): 4 R Corner radius: 2 Helical pitch: 30 Unequal tooth pitch and variable helical pitch for smooth running Specially designed cutting edge geometry for contour machining Optimized chip chambers for safe evacuation of the chips Radius tolerance r 1. 5 mm: 0. 003 mm