DeWalt DW5438 Hammer Drill Bit, 1/2 Inch By 10 Inch Overall Length, Helix Flute, 4-Flute, 25/64 Inch Diameter Shank, Slotted Drive System Plus Shank

Key Features

• Strong core, tapered core for bit strength and maximum durability, especially when drilling deep holes
• Clean, round holes: Two sharp cutting edges for true 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)
• Aggressive material removal, two stage flute design with variable helix pattern allows for efficient debris removal
• Wear mark indicator for accurate diameter of holes

Slotted drive system plus two cutter drill bits have a strong tapered core to help resist flute breaks, especially when drilling deep holes. for optimal drilling speeds, the two stage flute design features a variable helix pattern that quickly moves debris away from the contact zone. plus, the two sharp, carbide cutting edges deliver clean, round holes for secure anchor installation. these bits are made in germany and are guaranteed tough (r), so tough that we are offering a no break guarantee. if you have our bits, we have your back.