Dewalt DW5818 1" x 13-1/2" High Impact 4 Cutter Carbide Drill Bits, SDS Max Shank, Rock Carbide™ Tip, 4 Flute Design, 8" Usable Length

With up to twice the life of other brands, you can drill through reinforced concrete and withstand rebar strikes with the DEWALT ELITE SERIES™ SDS MAX Drill Bit. The complete range of these bits are made in Germany with global materials and are ideal for rebar doweling. The patented unique carbide 4 cutter edge design increases the drill bit durability, while the IRON BLAST TECHNOLOGY™ process strengthens the bit and resists fatigue resulting in extreme durability. 

• Extreme Durability - IRON BLAST™ Technology strengthens the bit
• 2x Longer Life - Full carbide head in 4 cutter design
• Stands Up To Rebar Strikes - Redesigned head geometry to withstand rebar strikes