D600 Masonry Drill Set Standard fixing Sutton Tools masonry drill bits are tradesman quality. Ideal for use in natural and artificial stone, masonry, brickwork & concrete. Tungsten Carbide percussion tip with semi-positive profile for 25% faster drilling than comparable product. The rolled double spiral flute provides greater dust extraction, for up to three times drill life. Tungsten Carbide percussion tip with semi-positive profile for aggressive drilling in hard materials. 25% faster than comparable product Rolled double spiral flute provides greater dust extraction, for up to three times drill life Unique brazing process ensures a perfect bond between tip & body Parallel shank for rotary hammer & percussion drilling Tungsten Carbide cutting edges for high wear resistance ISO 14001: Sandblasted finish guarantees zero heavy metals Technical Specs: Pieces - 6 Range - 4, 5, 5.5, 6.5, 8, 10mm