Rotary Hammer Drill Bit – 3/8 in, Carbon Steel, 4 Flute, 4 in Drilling Depth | DW5427

DW5427 ROCK CARBIDE BIT 3/8X6 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)