3-Flute Countersink Drill Bit 90° Chamfer Cutter for Metal, Wood & Plastic (6.3-20.5mm)

Achieve smooth, professional-looking finishes with this precision 3-flute countersink drill bit. Designed to create clean 90-degree chamfers, deburr rough edges, and countersink screw holes, this versatile chamfer cutter delivers accurate results across a variety of materials. The three-flute cutting design provides smoother cutting, improved chip removal, and reduced vibration for faster, cleaner performance. Whether you're working on woodworking, metal fabrication, or DIY projects, this tool is an essential addition to your workshop.

Key Features

• Precision 90° cutting angle creates clean countersinks and chamfered edges.
• Three-flute design improves cutting stability and efficient chip evacuation.
• Suitable for deburring, chamfering, and countersinking drilled holes.
• Compatible with wood, aluminum, plastic, carbon steel, stainless steel, and other materials within the tool's recommended cutting range.
• Available in sizes from 6.3mm to 20.5mm to suit different applications.

Why Choose Our 3-Flute Countersink Drill Bit 90° Chamfer Cutter
Unlike standard drill bits that leave rough edges, this countersink bit creates smooth, burr-free finishes for flush screw installation and cleaner workmanship. The balanced three-flute design enhances cutting efficiency while minimizing chatter, making it ideal for both professional machinists and DIY users. Built for durability and precision, it delivers consistent performance across multiple materials.

Perfect For

• Woodworking projects
• Metal fabrication
• Deburring drilled holes
• Countersinking flat-head screws
• Plastic and PVC fabrication
• Home improvement and DIY repairs

How to Use
Insert the countersink bit into your drill or drill press, align it with the pre-drilled hole, and operate at an appropriate speed while applying steady pressure. Remove chips periodically for the cleanest finish.

Upgrade your drilling results with smooth, accurate chamfers every time. Order the 3-Flute Countersink Drill Bit today and give every project a clean, professional finish.