Aluminum is said to be resistant to the alum as well, but if your busted bit is buried in steel ... bits in brass – clockmakers. It remains to be seen how well it would work for larger drill ...

There are a number of different types of drill bits. Steel Tooth Rotary Bits are the most common types of drill bits, while Insert Bits are steel tooth bit with tungsten carbide inserts.

So it’s always a joy to pick up a new trick, especially one as simple as putting a hardened edge on mild steel using a drill bit as a filler rod. This tip comes to us by way of [Jody], aka ...

Learn how Sandia Labs identifies superior drill bits to revolutionize geothermal energy extraction and lower operational ...

you can sharpen drill bits without a heavy-duty tool — all that's really needed to do a reasonably good job is a diamond file. And if you're cutting into carbide or hard high-speed steel (HSS ...