3 Flute 90° Countersink Drill Bit – Chamfer Cutter for Smooth Deburring & Screw Recessing

Achieve clean, professional finishes with this countersink drill bit, designed to create precise 90° chamfers and smooth edges in a variety of materials. The three-flute cutting design delivers efficient chip removal while reducing chatter for accurate, consistent results. Ideal for woodworkers, metalworkers, mechanics, and DIY enthusiasts, this tool makes screw seating, edge finishing, and hole deburring quick and effortless. Available in sizes from 6.3mm to 20.5mm to suit a wide range of applications.

Product Sheet

Key Features

• Precision 90 degree chamfer bit for countersinking, deburring, and edge chamfering.
• Three-flute cutting design provides smooth, stable cutting and efficient chip removal.
• Suitable for wood, aluminum, brass, plastic, and other soft metals.
• Creates clean screw recesses for flush-mounted fasteners.
• Compatible with most electric drills, drill presses, and CNC machines.

Why Choose Our 3 Flute Countersink Drill Bit?
Unlike standard single-flute cutters, this 3 flute countersink offers smoother cutting performance, reduced vibration, and improved finish quality. Its durable construction and versatile sizing make it an excellent choice for both professional workshops and home DIY projects.

Perfect For

• Woodworking and cabinetry
• Metal fabrication and machining
• Furniture assembly
• Screw hole countersinking
• Hole deburring and edge finishing with a chamfer drill bit

Product Specs

• Cutting Angle: 90°
• Flute Design: 3 Flutes
• Available Sizes: 6.3mm–20.5mm
• Compatible Materials: Wood, plastic, aluminum, brass, and other soft metals
• Compatible Tools: Electric drills, drill presses, CNC machines

Create Clean, Professional Finishes Every Time

Upgrade your toolkit with this reliable deburring tool and enjoy smoother edges, precise countersinks, and flawless screw seating on every project. Order yours today!