Although not technically a “drill bit”, this diamond-tipped hole saw from Milwaukee is a better option for drilling larger holes in extra-hard materials like granite, marble, and porcelain.

They're made with either tungsten carbide or a diamond coating to create uniform holes in glass, as well as in other brittle materials like ceramic, stone, or tile. Glass drill bits require a ...

Diamond-tipped drill bits can be expensive, but they're engineered for hard surfaces, making them the best choice if you have porcelain or natural stone tiles. If you're working with ceramic tiles ...

Salt Lake City, Utah: 7 November 2018 — Boart Longyear announces the complete series of Longyear™ Diamond Drilling Bits is now available. All drillers from the newly promoted to the seasoned ...

Boart Longyear announced the new line of Longyear™ diamond drilling bits with the release of the first bit in the line, the Longyear™ Green Bit. Copper $ 5.198 / lb 0.89% Brent Crude Oil $ 68. ...

More specifically, you'll need a ceramic or diamond drill bit when working with mugs. Of course, not everyone has one of those ... No-Drill Way Of Adding Drainage Holes To Mugs. First things ...