We may receive a commission on purchases made from links. 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 ...

Buying a drill bit set saves money and — as they invariably come in some kind of case — gives you convenient storage and easy identification. However, what might seem like minor differences in shape ...

When I was drilling through a hardened steel I went to a specialty metals shop and they recommended cobalt bits. They were also much cheaper than lows but unfortunately have since gone out of business ...