These powerful drill bits for cast iron, aluminum, and even stainless steel are made of a steel alloy of 5 percent to 8 ...

DeWalt's Black and Gold drill bits are made from a type of tool steel known as High Speed Steel, often abbreviated as HSS. While HSS is a common base for a variety of drill bit types, it's ...

Broadly speaking, drill bits fall into three different material-based categories: wood, metal, and masonry. Wood-drilling bits are the most common kind and typically possess a noticeably pointier ...

There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1.

DeWalt's Black and Gold drill bits are made from a type of tool steel known as High Speed Steel, often abbreviated as HSS. While HSS is a common base for a variety of drill bit types, ...