Drilling through metal can be intimidating, but you can get the job done properly with this important tool. We spoke to an expert to learn how it works.

you can drill through most metals at 3,000 rpm. For larger twist bits (11/16 in. to 1 in.), 350 to 1,000 rpm is recommended. For clean, precise holes in thin sheet metal, make a wood sandwich.

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 hole punch for light-gauge sheet metal.

Laser Photonics Corporation (NASDAQ: LASE) ("LPC"), a leading global developer of industrial laser systems for cleaning and ...