Carbide is one of the most important materials in concrete drilling. It’s a tough, long-lasting material that’s well-known as premium for precision drilling in concrete, hard concrete or hard ...

When I was drilling through a hardened steel I went to a specialty metals shop and they recommended cobalt bits. They were also much cheaper than lows but unfortunately have since gone out of business ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Creating a hole in a piece of glass might seem difficult, but with a power drill and ...