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.Select Option 10 x 120mm10 x 150mm10 x 200mm10 x 400mm12 x 150mm12 x 400mm14 x 150mm14 x 400mm16 x 400mm20 x 400mm5 x 85mm5.5 x 150mm5.5 x 85mm6 x 100mm6 x 150mm6.5 x 100mm7.0mm OL:150mm WL:82mm8 x 120mm8 x 150mm8 x 400mm Add to Basket Quantity