Milwaukee® 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° helix angle which ends at 15°, the cobalt bits with RED HELIX™ provide Rapid Chip Removal™ limiting heat buildup to Stay Sharper Longer™. The 135° split point tip delivers a precision start and prevents walking for fast, accurate holes. Ideal for tough applications and provide up to 10X life vs. Black Oxide Drill Bits™ but can be used in all twist drilling applications.
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