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About this item

• 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 prevents 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