For pricechoose optionsSelect Option 10 x 120mm 10 x 150mm 10 x 200mm 12 x 150mm 12 x 400mm 14 x 150mm 16 x 400mm 20 x 400mm 5 x 85mm 5.5 x 150mm 5.5 x 85mm 6 x 100mm 6 x 150mm 6.5 x 100mm 7.0mm OL:150mm WL:82mm 8 x 120mm 8 x 150mm Quantity Add to Basket The DEWALT Rotary/Percussion Masonry Drill Bits have 130° Douglas Form carbide tips. They are ideal for drilling anchor, plastic, fixing or pipework clearance holes. Suitable for drilling masonry, brick/blockwork and stone.