Milwaukee 15/64" COBALT RED HELIX™ Drill Bit is engineered for extreme durability and longer life in hard metal applications. Designed with a VARIABLE HELIX™ featuring an aggressive 35° Helix Angle that tapers to 15°, this drill bit ensures efficient cutting performance. The QUADEDGE TIP™ reduces heat buildup and allows for faster drilling, while the 135° split point tip provides a precision start and prevents walking for fast, accurate holes in hard metal, PVC, and wood. Its new ENHANCED TAPERED WEB™ strengthens the bit’s core, increasing flute durability for tough jobs. I for demanding applications, this cobalt twist drill bit up to 15 times the life d to Black Oxide Drill Bits™. Model Number: 48-89-2312