The Micro 100 Center Drill is a 7/64 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, and plastics. The split point tip provides fast, accurate starts and reduced thrust. The straight shank allows use in chucks, collets, and drill presses. This is a high quality center drill well-suited for precision machining applications.