The Milwaukee Red Helix Cobalt 13/64 in. Drill Bit are 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 degree Helix Angle which ends at 15 degree. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes in hard metals, PVC and wood. The tapered drill bits feature a new enhanced tapered web that strengthens the bit’s core to increase flute durability.

Product Features:

• Variable Helix design for rapid material extraction
• 3-flat secure-grip helps keep the bit fixed within the chuck
• Cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs. black oxide brill bits