Makita D-30477 5-12mm Omnibohrer Drill Bits (Pack Of 5) The Makita D-30477 drill bits are suitable for use within a wide range of materials including concrete, tile and brick. The tungsten carbide tips ensure fast, efficient drilling and high wear resistance for long life. Features: Suitable for use within concrete, tile, brick, slate, limestone, wood, sandwich materials, aluminium, plastics and metal Eliminates the need to switch between different drill bit types Features tungsten carbide tip for fast and efficient drilling Comes with: 5 x Drill bits (5 x 85mm, 6 x 100mm, 8 x 110mm & 10 x 150mm, 12 x 150mm) Specification: Diameter (D): 5, 6, 8, 10, 12 mm Pack Quantity: 5