The Milwaukee SHOCKWAVE RED HELIX Titanium Drill Bits are engineered for extreme durability and long life. The 135 degree Split Point Tip Provides a Precision Start and Prevents Walking. The VARIABLE HELIX design includes an aggressive 35 degree helical angle, which ends at 15 degrees, these titanium drill bits with RED HELIX provide Rapid Chip Removal limiting heat buildup to Stay Sharper Longer. The bits also feature an internal ENHANCED TAPERED WEB that greatly increases their strength, reducing premature breakage. The titanium drill bits are ideal for various applications, including but not limited to wood, plastics, and metals. Pro Packs feature 5 bits of the same diameter, each bit providing up to 5X life vs. Black Oxide Drill Bits.