Sharpening a dull drill bit is a bit more complicated than you might think. Here's what you need to know to get them back into tip-top shape.

These heavy-duty bits better resist heat and wear when drilling metals, particularly thick pieces of steel, cast iron or stainless steel. DEWALT DeWalt DW1720 Brad Point Bit Set $15 at Amazon ...

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 ...

In the power tool industry, it’s used in accessories as a drill bit tip or on the cutting edge or a blade. Primary attributes of tungsten carbide are robustness and life in harsh applications ...