Milwaukee® Shockwave™ Impact Duty Titanium Drill Bits With Red Helix™ Are Engineered For Impacts and Drills. Designed With A Variable Helix™ With An Aggressive 35° Helix Angle Which Ends At 15°, The Impact Duty Titanium Drill Bits With Red Helix™ Provide Rapid Chip Removal™ to Limit Heat Buildup to Stay Sharper Longer™. The 135° Split Point Tip Delivers A Precision Start and Prevents Walking For Fast, Accurate Holes. Titanium Coating Can Be Used In All Drilling Applications to Give You Up to 3X Life VS. BL