"Unless you're drilling through thin sheet metal, use a lubricant," the expert explained. "I tend to use thread-cutting oil for everything, but there are many options. Not lubricating will dull ...

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.

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.

making it efficient for high-volume production of thin sheet metal, metal foil and micro tubing. Another material that laser drilling systems excel at processing is ceramics. CMS systems can drill ...

Aluminium drinks cans make a great source of thin sheet metal which can be used for all manner of interesting projects, but it’s safe to say that retrieving a sheet of metal from a can is a ...