DEWALT Drill Bit Set, 21-Piece, 135 Degree Split Point, 31 Degree Helix, Black Oxide Coated, For Plastic, Wood and Metal (DWA1181)

<ul><li>DEWALT 21-pack black oxide twist drill bit set is ideal for general-purpose drilling materials like metal, hardwood, softwood, PVC and fiberglass</li> <li>Parabolic flute design increases chip ejection in metal and wood drilling applications</li> <li>Black oxide coating helps resist corrosion and increase durability, so your drill bits last longer</li> <li>135° Split-point tips drill on contact and prevents walking on the hard surface you’re working on</li> <li>31° Helix reduces over aggressiveness of true parabolic flute, making it ideal for drilling deep holes</li></ul>