DeWALT DT941 Series SDS Drill Bit for Concrete, 18mm Diameter, 340 mm Overall, Point Angle: 140°, MPN: DT9411-QZ. This drill bit features a solid two cutter carbide tip flanked by two individual cutting tips for fast and efficient drilling. The four flute helix effectively removes debris to maintain a high drilling speed. Ideal for drilling reinforced concrete, masonry, natural and artificial stone. The reinforced core ensures optimum impact and breakage stability. Its superior carbide grade and geometry provide greater resistance to breakage and premature wear, ensuring maximum drill bit life and durability. Specifications: Head Type: Carbide Grit, Shank: SDS Max, Diameter: 18mm, Working Length: 200mm, Total Length: 340mm, Pack Quantity: 1.