The dewalt xlr sds plus full head carbide drill bits are a tough solid carbide tipped drill bit suitable for drilling plug anchor holes in masonry, all types of stone and concrete. Its 4 flute spiral design aids consistent drilling speed and efficient debris removal. Specifications bull diameter 8mm bull length 460mm bull working length 400mm bull pack qty 1 features and benefits bull the innovative full head carbide drill bit offers the highest levels of performance to users with the hardest applications bull superior carbide grade and geometry ensures greater resistance to breakage and premature wear to ensure maximum drill bit life and durability bull four cutter geometry delivers maximum hole concentricity for better fixing retention bull optimised four flute design allows efficient debris removal and greater flute durability