Black+Decker Masonry Drill Bit 6.5 x 100mm B/DX53100 BLACK + DECKER Masonry Drill Bit with tungsten carbide brazed tips for drilling house bricks and masonry. They can also be used to drill concrete, natural stone and ceramic tiles. Do NOT use hammer action when drilling ceramic tiles. This BLACK + DECKER Masonry Drill has the following specification Diameter 6.5mm Overall Length 100mm Working Length 60mm GBP 2.19 1