Hardened steel requires the use of special drill bits, such as the titanium coated drill bit or the cobalt drill bit. Reduce friction when drilling hardened steel withhelp from a home repair specialist in this free video on home construction and remodeling. Expert: Tim Gipson Contact: www.inhisstepsremodeling.com Bio: Tim Gipson is a home repair specialist and remodeling contractor in Franklin, Tenn. Filmmaker: Tim Brown