Air Bleed Screw Drills, set of 10 - If you want air bleed screws, you want air bleed screw drills. This is a set of ten popular size drills. Inch sizes included are: .026, .032, .035, .040, .046, .052, .056, .063, .067, .070. If you'd like a few of the same size, see our set of 3 offerings.