Drill bits are tools used on from material such as wood or aluminum. They are utilized in machines and hand tools (drill) to drill holes or remove excess material. Commonly used in everyday machining, it is imperative to become familiarized with forms of use and size.

Most drill bits sizes come standardized with varying sizes. Yet, it depends on the type of machine the drill bit is manufactured for. Sizes range from 1/16th drill bit to 1/2 to 1 in. drill bit.