Marketing InformationThe Milwaukee® RED HELIX™ cobalt 7/64 in drill bit is engineered for extreme durability and longer life in hard metal applications. The Milwaukee® cobalt drill bits are designed with a Variable Helix™ ™ that includes an aggressive 35 deg helix angle which ends at 15 deg. The 135 deg split POINT TIP™ delivers a precision start and prevents walking for fast, accurate holes in hard metal, PVC and wood. The tapered drill bits feature a new ENHANCED TAPERED WEB™ that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs Black Oxide Drill Bits™.