The Micro 100 Center Drill is a 3/16 inch diameter high speed steel center drill made in the USA. It has a straight shank, 118 degree split point tip, and is uncoated. The overall length is 2-1/2 inches. It is designed for center drilling and starting holes in steel, cast iron, aluminum, brass, bronze, plastics and other materials. The split point tip provides fast, accurate starts and reduced thrust. The center drill has a precision ground straight shank that fits securely into CNC spindles, drill presses, and lathe tailstocks. It can be used for most center drilling, hole starting operations.