Milwaukee® SHOCKWAVE™;;; 23pc Titanium Drill Bits with RED HELIX™;;; are designed with both impacts and drills. With an aggressive 35° Helix Angle which ends at 15°, the Impact Duty Titanium Drill bits with RED HELIX™;;; provide Rapid ChipRemoval™;;; to limit heat buildup to Stay Sharper Longer™;;;. The 135° split point tip delivers a precision start and helps prevent walking for fast, accurate holes. Titanium coating can be used in all drilling application to give you longer life versus Black Oxide Drill Bits™;;;.