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, ...
Casual DIYers often shop for a pack of drill bits without realizing how those bits are designed to perform. The word "titanium" stands out from the rest, since it suggests both strength and capability ...
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 ...