4-Flute Router Bit Set 8mm Shank – R1 R2 R3 Edge Trimmer
4-Flute Router Bit Set 8mm Shank – R1 R2 R3 Edge Trimmer
4-Flute Router Bit with Bearing – Precision Edge Trimming & Chamfering
Achieve clean, professional-grade rounded edges and chamfers on all your woodworking projects with this high-performance 4-Flute Router Bit. Featuring an 8mm shank and a ball-bearing guide, this milling cutter delivers smooth, precise cuts every time — whether you're working on furniture, cabinetry, or decorative panels. Available individually or as a 3-piece set in R1, R2, and R3 radius sizes.
Made in Mainland China.
Key Features
- Four-Flute Design: Four cutting edges ensure smooth, efficient wood trimming and edge finishing with minimal tear-out.
- Bearing-Guided Accuracy: The integrated ball bearing rides along the workpiece edge for consistent, guided cuts every pass.
- Versatile Material Compatibility: Works on pine, solid wood, MDF, particle board, and decorative panels.
- High-Grade Steel Alloy: Built from durable steel alloy for long-lasting edge retention and repeated use.
- Multiple Radius Options: Choose from R1, R2, and R3 sizes to match the profile you need — buy one or all three.
- 8mm Shank: Fits standard router tables and handheld routers with 8mm collets; also compatible with 6mm and 12mm setups.
Specifications
| Material | High-Grade Steel Alloy |
| Shank Diameter | 8mm |
| Flutes | 4 |
| Available Sizes | R1, R2, R3 |
| Color | Silver Blue |
| Package Options | 1-piece or 3-piece set |
Package Contents
- 1× Milling Router Bit OR 3× Milling Router Bits (R1, R2, R3)
Perfect For
- Rounding and profiling furniture edges
- Cabinet door edge finishing
- Decorative chamfering on panels and trim
- MDF and hardwood edge shaping
Looking for more woodworking and DIY tools? Check out our 18 Pc Basswood Carving Blocks – Whittling Wood Kit or our Garden Pruner Shears for Bonsai & Fruit Trees for your next project.
Note: Actual product color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement tolerances.
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What router bit sizes are included in the 3-piece set?
A: The 3-piece set includes R1, R2, and R3 radius router bits, giving you three different rounded-edge profiles for a variety of woodworking edge trimming and chamfering applications.
Q: What materials can this 4-flute router bit cut?
A: This bearing-guided router bit is suitable for pine, solid hardwood, MDF, particle board, and decorative panels — making it a versatile tool for both professional and hobbyist woodworkers.
Q: Is this router bit compatible with my router table or handheld router?
A: Yes. The 8mm shank is compatible with most standard router tables and handheld routers that accept 8mm collets. The bit is also available in 6mm and 12mm shank versions to suit different machine requirements.
Q: What is the advantage of a four-flute design over a two-flute bit?
A: A four-flute router bit provides more cutting edges per rotation, resulting in smoother surface finishes, reduced chipping, and more efficient material removal — ideal for clean edge trimming and chamfering on fine woodworking projects.