Solid Carbide End Mill 10mm 10R0.5x11-32x72xD10D1 (Cutting diameter): 10mm D3 (Undercut diameter): 9. 2mm L2 ( Length of cut): 11mm L3 (Length of undercut): 32mm L1 (Total length): 72mm D2 (Shank diameter): 10mm Z (Number of cutting edges): 4 R Corner radius: 0. 5 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.