SHOCKWAVE RED HELIX Titanium Drill Bits are engineered for extreme durability and long life. The 135° Split Point Tip Provides a Precision Start and Prevents Walking. The Variable Helix design includes an aggressive 35° helical angle, which ends at 15°, 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. Milwaukee titanium drill bits are ideal for various applications, including but not limited to wood, plastics and metals. The Milwaukee 1/8 in. 5-piece Pro Pack RED HELIX Cobalt Drill Bits are engineered for extreme durability and longer life in hard metal applications. These are designed with a VARIABLE HELIX that includes an aggressive 35° Helix Angle which ends at 15°. The drill bits have QUADEDGE TIP to decrease heat buildup and drill faster. The 135° split point tip delivers a precision start and prevents walking for fast, accurate holes in Hard Metal, PVC and wood. The tapered drill bits feature a new ENHANCED TAPERED WEB that strengthens the bit's core to increase flute durability. These cobalt drill bits are ideal for tough applications, including stainless steel drilling.