DEWALT Black and Gold Drill Bit Set (21-Piece)

Black-oxide covered for more noteworthy wear resistance Parabolic woodwind configuration improves chip launch in metal and wood boring applications 21-piece set Helix is 31 degrees, which limit the over-forcefulness of a genuine allegorical flute DEWALT 21-pack black oxide twist drill bit set is ideal for general-purpose drilling materials like metal, hardwood, softwood, PVC, and fiberglass Parabolic flute design increases chip ejection in metal and wood drilling applications Black oxide coating helps resist corrosion and increase durability, so your drill bits last longer 135° Split-point tips drill on contact and prevent walking on the hard surface you're working on 31° Helix reduces over aggressiveness of true parabolic flute, making it ideal for drilling deep holes Specifications Shank Style - Square Number of Pieces - 21 Tools Item Type - Force Tool Self-Taking care of - No Drill Bit Type(s) Included - Twist Bit Material - Dark Oxide Individual/Set - Set Shank Style - Square Drill Bit Type - Twist