... TIP, standard flute, Cross TIP, double flutes S4 type ,SQUARE HAMMER DRILL BITMachined from chrome steel fitted with carbide insert brazed ... granite, concrete, stone, masonry, tiles and marble.Applied with all hammer drills in connection with respective adapters.Size:Ø4.0-30 ... drilling in granite, concrete, stone, masonry, tiles and marbleFor hammer drilling machines with hex shank.Size:Ø8-38mm(15/32 ...