SDS-Plus rotary hammer drills are the best tools for drilling holes in brick, masonry and concrete from 5.0mm diameter to 30.0mm for electricians, joiners and all professional users. Bosch, Metabo Makita and Dewalt offer a choice of models all designed for the constant use required by the tradesman working on site. Kelvin Power Tools also offers a full range of SDS-Plus drill bits.