A hole saw bit features a circular ring of HSS ... What is the best way to drill through porcelain tile? Diamond-tipped drill bits are recommended for porcelain. The bits can get very hot ...

If you are using a diamond hole saw bit, you can make your life easier by creating a wood template to reduce the risk of the bit slipping. To create a template for your hole saw, drill a hole ...

There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws ... Carbide-tipped hole saws. With adequate lubrication in a drill press ...