Drill bits come in various shapes and sizes, each designed for a specific purpose. When it comes to a drill bit that goes through metal, it should be high-speed steel (HSS) and feature a coating that helps reduce heat and friction when drilling. You can usually tell which bits have a coating by the colour of the metal drill bit.
The type of the accessory you need will depend on the type of metal you're drilling and the size of the hole you need to drill. Bosch metal drill bits are capable to drilling through different types of metal. Our range of metal drilling accessories contains
, as well as .It's important to consider the size of the drill bit needed to drill through the metal in relation to the thickness of the metal you’re working with. Bosch Impact Control HSS twist drill bits are ideal for drilling holes in thick steel or cast iron, while a step drill bit that goes through sheet metal easily will eliminate the need for pre-punching thin sheets of the material.