Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled specifically for metal are manufactured to drill through various materials, ...

I need to drill approx. 120 3/4" holes into sheet metal, specifically, into sheet metal from an old clothes dryer cylinder. (Pretty thick and stiff as far as sheet metal goes, but less than 1/8" thick ...

These sheet metal cutters cut holes in sheet metal up to five times faster and last up to five times longer than traditional bi-metal hole saws, claims the manufacturer. They are designed to provide ...