People have been working metal for so long that the list of tips and tricks is now nearly infinite. So it’s always a joy to pick up a new trick, especially one as simple as putting a hardened edge on ...

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 ...

Q: Which is better; cobalt, titanium or black oxide for drill bits? By better I mean will stay sharp longer when drilling wood, metal studs, drywall etc. … A: The answer depends on the materials being ...

We may receive a commission on purchases made from links. DeWalt's Black and Gold drill bits are made from a type of tool steel known as High Speed Steel, often abbreviated as HSS. While HSS is a ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Drill bits are one of those must-have items for anyone who works with ...