3/8" x 4" 6" SDS-Plus Rock Carbide Anchor Hammer Drill Bit

Features: * Strong core: tapered core for bit strength and maximum durability, especially when drilling deep holes * Aggressive material removal: two stage flute design with variable helix pattern allows for efficient debris removal * Clean, round holes: two sharp cutting edges for true holes * Wear mark indicator: for accurate diameter of holes * No break guarantee: if your bit fails for any reason while the wear mark is still visible, we'll replace it (excludes: dw5400, dw5401, dw5401b25)