Walter 350N128BP 7/16 Nitro Mechanics Drill - 350N - Blister Pack

This M-7N drill bit set is made of high speed steel and has a 1.5625 inch long shank. It is for use with stainless steel and cast iron. This 350N series drill bit set has a black and gold finish, and has fractional inch measurements. It has a 4½ inch length. Plus it has 2 15/16 inch flutes, straight shank with three flats, neutral cutting direction, and 135 Degrees split point.