Milwaukee 29/64" COBALT RED HELIX™ Drill Bit is engineered for extreme durability and long life, especially in hard metal applications. This drill bit features a variable helix design with an aggressive 35° helix angle that tapers to 15°, enabling rapid chip removal and reducing heat buildup to keep the bit sharper for longer. The 135° split point tip ensures a precision start and prevents walking, allowing for fast and accurate holes. I for tough drilling tasks, this cobalt bit up to 10 times the life of Black Oxide Drill Bits™ and is suitable for all twist drilling applications. Model Number: 48-89-2326