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

There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ¼", ...

We may receive a commission on purchases made from links. So, you've just purchased a shiny new Makita-branded drill from your local hardware store. With the power of this spinning wonder, you can ...

Following repeated failure of bicenter drillbits to meet demanding requirements in a number of offshore East Malaysia wells, Royal Dutch/Shell Group's Shell Malaysia Ltd. drilled six wells with an ...