Drill America 11.50mm Stepped Point Cobalt Drill Bit with 3-Flat Shank

Stepped Point Cobalt Drill Bits start easier, drill faster, increase lifespan and reduce heat compared to standard drill bits They can be used to enlarge existing holes or to create new, smoother holes in a wide range of materials such as acrylics, steel, metal, brass and other hard metals Cobalt drill bits are effective in drilling tough, high tensile strength materials 135° split point tip for fast penetration and accurate drilling 3-Flat shank creates an extra secure hold in your chuck; Jobber (standard) length drill bit