I live in an 1890s house with solid stone walls. Whenever I try to drill into my walls using my B&D hammer drill it only goes in about 2 cm before giving up. I did a search on here and found that an SDS drill should cut through my wall no problem. Argos do one for £30 (here ) - does anyone know if this drill will do the job? If it won't, does anyone know of a drill that will? Ta!