Drill America 1/16 - 1/2 Cobalt Stepped Drill Bit Cooler, No Step Point - 15 Pieces

• Stepped Point Cobalt Drill Bits start easier, drill faster, increase lifespan and reduce heat compared to standard drill bits
• They can be used to enlargen 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 degree split point tip for fast penetration and accurate drilling
• 3-Flat shank creates and extra secure hold in your chuck
• Sizes: 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", and 1/2"