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, ...

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 ...

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 ...

Four times the holes, four times the trouble. With the fate of repetitive motion injury looming due to the need to drill 1,200 holes, [bitluni] took matters into his own hands and built this nifty DIY ...