There are as many types of drill bits as there are types of materials for drill bits, and the types of holes they create. Drill bits come in numerous sizes and shapes and can create different kinds of holes in a wide variety of materials. Drill bits come in standard sizes as well as specialty sizes. There are such a variety of drill bits, that they are typically offered in sets that may be applicable to the material to which they are best suited. Graybar has a variety of drill bits, accessories, and drill bit sets that will help you get your job done with the right tools.