Marketing InformationThe Milwaukee® red HELIX™ 29-piece cobalt drill bit set 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 drill bits have QUADEDGE Tip™ to decrease heat build-up and drill faster. 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.