Designed to machine most materials of medium hardness such as steel, brass, bronze and iron 7/8 Shank (Pack of 1 The large core diameter provides rigidity and reduces deflection while the cutting geometry allows for rapid stock removal. Drill America DWCT1114 7/16 X 1/2 HSS 2 Flute Single End Ball End Mill Qualtech Dwct1114 Ball End Mill Drill America D/A3F Series High-Speed Steel Reduced-Shank Drill Bit, Black Oxide Finish, Round With 3-Flats Shank, Spiral Flute, 118 Degrees Conventional Point, 1-3/32" Size (Pack Of 1 High Speed Steel End Mill When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging Drill America DWCT1114 7/16" X 1/2" HSS 2 Flute Single End Ball End Mill, Qualtech, DWCT1114. SKU: DADWCT1114. Regular price $19.24 Weldon shanks feature a round shank with one of more flats machined into the side for easy indexing and alignment Available in polished finish