B3933 HEX SHANK DRILL BIT 1/4"TITANIUM These ROK 1/4" hex shank drill bits have a titanium coating for longer life and durability. These bits are suitable for drilling metal, wood, and plastics. Drill bits have a 135° split point that self centers on materials. Features: Titanium coated for longer life and durability Suitable for drilling metal, wood and plastic 135° Split Point self centers on material 1/4" Hex shank