The Milwaukee Red Helix Cobalt 13/64 in. Drill Bit is engineered for extreme durability and long 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 degrees. The drill bits have Quadedge Tip to decrease heat buildup and drill faster. The cobalt twist drill bits are ideal for tough applications.
Cobalt alloy for up to 15X life vs. black oxide drill bits
135 degree split point for precision start no walking
Variable Helix Design for rapid material extraction
3-Flat Secure-Grip helps keep the bit fixed within the the chuck
Wood, Stainless Steel, Metal, Plastic and PVC application