Milwaukee Red Helix 21/64 In. Cobalt Drill Bit Garage Door Seal & Stops Use hand-operated spray equipment such

Use hand-operated spray equipment such as backpack sprayers

higher pick-resistance lock

industrial grade steel

15 percent weight reduction

even drop ceilings

Milwaukee Red Helix 21/64 In. Cobalt Drill Bit Garage Door Seal & Stops Use hand-operated spray equipment suchMilwaukee Cobalt RED HELIX Drill Bits are engineered for extreme durability and long life in hard metal applications. Designed with a Variable Helix that includes an aggressive 35 degree Helix Angle which ends at 15 degree, the Cobalt bits with RED HELIX provide Rapid Chip Removal limiting heat buildup to Stay Sharper Longer. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes. Ideal for tough