DART Red Ten DCD Spiro Diamond Core Bit

DescriptionA premium dry core bit with spiral barrel design for swift dust removal. Features include a fast start segment, side vents and a spiral barrel design to help keep the bits cool resulting in longer life. Suitable for use in masonry, brick, concrete with light or medium steel reinforcing. Also effective for granite, marble and stone.Available in 22mm, 32mm, 42mm and 52mm.