you'll notice that the relief edges at the back of the drill bit's flanks (above) are at a slightly different angle to the axis of rotation. The back edge is closer to the center of the bit ...

Fortunately, bringing your drill bits back to life takes minimal effort. Drill bits can be sharpened by hand or with a bench grinder, but the best method is using a dedicated machine like the ...

“The kit has just the right amount of drill bits to fit any task around the house,” one reviewer said. “One battery will last for any job and it charges right back up very quickly ...

But when a drill bit breaks off flush in a hole, there aren’t a lot of options, especially for a small bit. If the stars align, though, you may follow this video guide to dissolve the drill bit ...