This jobber length drill bit is made of high speed steel and has a 17/64 inch diameter shank. It is not rated for any standards. This jobber length drill bit has a TiN finish, and has letter measurements. It is non-coolant through with a 4⅛ inch length. Plus it has one 2⅞ inch parabolic flutes, a straight shank, and a 135 Degrees split point drill point.