Aluminium needs a sharp bit because it's so soft, a blunt drill will make a messy hole with a lot of fash on the back side. Doesn't need to be anything better than standard HSS. <P>I'd work up from ...

Drilling into metal may seem intimidating, but with the right tools and techniques, it’s a job that DIY enthusiasts can tackle with ease. However, there are some subtle differences that you should be ...