If you want to create perfectly round holes in wood, metal, or plastic, you’re going to need a hole saw. These cylindrical saws are powered by any corded or cordless drill, and their hollow shape ...

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 ...

Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled ...

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 ...

While both tools are capable of cutting both materials with the right blade, which tool you should choose depends on the ...