Wen BG4280 Drill Bit Sharpener See It If your drill bits no longer work like they used to, a drill bit sharpener can bring back their edge. Whether you work with wood, metal, or plastic, sharp tools ...

or thicker, use cutting fluid or a multipurpose oil ... hand while trying to drill through it with the other. The drill bit ...

Forging, casting, and cutting are some methods of getting ... into a bucket of oil or water to make the metal harder, or a craftsman with a drill bit might treat it with an extremely cold ...

People have been working metal for so long that the list ... out his TIG welder and laid down a bead on the cutting edge using an old drill bit as a fill rod. The video below shows the process ...