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Self-extinguishing by eliminating oxygen flow
sticks to a wet surface
thick metal
6-1/2" x 40 tooth
High performance carbide for greater durability and up to 50X longer life versus standard bi-metal blades
Milwaukee Red Helix 5/16 In. Cobalt Drill Bit Dap Self-extinguishing by eliminating oxygen flowMilwaukee 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
