This pilot point drill bit is made of high speed steel and has a 9/64 inch diameter shank. It is designed for use with metal, plastic, wood. This jobber length pilot point drill bit has a black oxide finish, and has fractional inch measurements. It is non-coolant through with a 2⅞ inch length. Plus it has 1¾ inch spiral flutes, 3 flats shank, and a 135 Degrees split point.