At first glance, there probably doesn't seem to be much to drills. Simply install a bit, mark where you plan to drill, and drill away. However, the fact is there's a lot to consider when drilling, ...
WEST CHESTER, Pa. February 2013 – Metabo Corporation, a leading international manufacturer of professional grade portable electric power tools and abrasives for industrial, construction and welding ...
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 ...