Michigan Drill taper shank drill bit. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. 118 degrees conventional point. Morse taper shank allows the tool to be inserted directly into the machine's spindle to facilitate high-torque applications such as large cut diameters. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 11/16-inches size.