Milwaukee 48-89-4630 Kit 15 Piece TiN Shockwave Drill Kit 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 degrees Helix Angle which ends at 15 degrees, the Impact Duty Titanium Drill bits with RED HELIX provide Rapid Chip Removal to limit heat buildup to Stay Sharper Longer. The 135 degrees 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. Black Oxide Drill Bits.Titanium Coating for Up to 3X Life vs. Black OxideSHOCKWAVE Impact Duty, Engineered forDrills and ImpactsRED HELIX Design for Rapid Chip RemovalCHIP BREAKER Decreased Heat Buildup135 degrees split point for precision start no walking Includes:(1) 1/16 in Titanium SHOCKWAVE (48-89-4601)(1) 5/64 in Titanium SHOCKWAVE (48-89-4602)(1) 3/32 in Titanium SHOCKWAVE (48-89-4603)(1) 7/64 in Titanium SHOCKWAVE (48-89-4604)(2) 1/8 in Titanium SHOCKWAVE (48-89-4605)(1) 9/64 in Titanium SHOCKWAVE (48-89-4606)(1) 5/32 in Titanium SHOCKWAVE (48-89-4607)(2) 3/16 in Titanium SHOCKWAVE (48-89-4609)(1) 7/32 in Titanium SHOCKWAVE (48-89-4611)(1) 1/4 in Titanium SHOCKWAVE (48-89-4613)(1) 5/16 in Titanium SHOCKWAVE (48-89-4617)(1) 3/8 in Titanium SHOCKWAVE (48-89-4621)(1) 1/2 in Titanium SHOCKWAVE (48-89-4629)