Milwaukee 13/32 In. COBALT RED HELIX drill bits are engineered for extreme durability and long life in hard metal applications. Featuring a variable helix design with an aggressive 35° helix angle that tapers to 15°, these cobalt bits with RED HELIX™ technology provide Rapid Chip Removal™, which limits heat buildup to help the bits stay sharper longer. The 135° split point tip ensures a precise start and prevents walking, allowing for fast and accurate holes. These drill bits are i for tough applications and up to 10 times the life of Black Oxide Drill Bits™, while still being suitable for all twist drilling applications. Model Number: 48-89-2323