With a whopping 5 bits per set, DIY-Rex Counter Sink Drill Bits ensure you can quickly create perfect holes for countersunk screws and bolts. 

Sharply reduce the time and effort spent on tons of projects with this high-performance drill bit set! 

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  • Make perfect countersinks/counterbores for nuts, rivets, and screws.

  •  Works on plastic & wood- With smooth, quick drilling.

  •  Five bits per set  - Enjoy a wide range of sizes for any project.

  •  Perfect for a variety of projects - including cabinets, furniture, and more.

  •  Quality material and durable for long service life.

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• Drill, countersink, and counterbore holes in one step.
• Offer the best heat resistance and excellent performance for drilling.
• Package with good-protection.
• Good toughness, wear resistance, strong drilling capacity.
• Suitable for woodworking processing.

DIY Supplies: Woodworking
Type: Core Drill Bit
length: 55
Use: Wood Drilling
Material: Cobalt Steel Alloys