Drilling's the cutting process of using a drill bit in a drill to cut or enlarge holes in solid materials, such as wood or metal. Different tools and methods are used for drilling depending on the type of material, the size of the hole, the number of holes, and the time to complete the operation. Drilling's a cutting process in which a hole's originated or enlarged by means of a multipoint, fluted, end cutting tool. As the drill's rotated and advanced into the workpiece, material's removed in t… (More on Drilling)