3 Flute Countersink Drill Bit 90 Degree Chamfer Cutter

Finish holes cleaner and make screw heads sit neatly with this countersink drill bit designed for smooth chamfering and deburring. The 90 degree cutting angle is useful for creating tapered openings, removing rough edges, and preparing holes for compatible countersunk screws. This chamfer cutter tool is a handy choice for woodworking, metalworking, plastic drilling, and workshop repair tasks. With multiple size options from 6.3mm to 20.5mm, it helps DIY users and professionals get a cleaner finish on different projects.

Key Features

• 3 flute design helps cut smoothly and clear chips efficiently
• 90 degree angle for countersinking, chamfering, and deburring
• Available sizes from 6.3mm to 20.5mm
• Suitable for wood, plastic, aluminum, thin iron, and similar materials
• Works with compatible hand drills, drill presses, and rotary tools

Why Choose Our 3 Flute Countersink Drill Bit 90 Degree Chamfer Cutter
Unlike rough standard drill bits that only make straight holes, this 90 degree countersink bit helps create a cleaner beveled edge for a more polished result. The 3 flute design supports smoother cutting and better chip removal compared with simple single edge cutters. For repairs, assembly, and finishing work, this deburring drill bit adds a useful professional touch without complicated setup.

Perfect For
Woodworking, furniture assembly, metal plate chamfering, plastic drilling, screw hole finishing, burr removal, DIY repairs, cabinetry, workshop projects, and home improvement tool kits.

How It Works
Install the bit into a compatible drill or drill press, align it with the hole, then apply steady light pressure at a controlled speed. Use the proper size for your screw head or desired chamfer.

Care and Maintenance
Clean chips and dust after use, then store the bit in a dry tool box. Use appropriate speed and pressure to help maintain sharpness.

Product Specs
Type: 3 flute countersink chamfer cutter
Angle: 90 degree
Size Options: 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm
Use: Chamfering, countersinking, and deburring

Create Cleaner Holes With A Smooth Finished Edge
Order the 3 Flute Countersink Drill Bit today and make your drilling, fastening, and finishing work cleaner, easier, and more precise.