Durable 8mm Shank Tongue and Groove Router Bit | Adjustable Slot Cutter for Mortise and Tenon Joints, Wood Joinery, and Precision Edge Cutting
This 8mm shank adjustable tongue and groove router bit is ideal for mortise and tenon joints, slot cutting, and woodworking joinery. Durable carbide tips ensure clean, accurate, and long-lasting performance.





Features
- 100% brand new and high quality
- Ideal for drawer making and general woodworking joinery
- Industrial quality, anti-kickback body
- Teflon® coating resists heat and pitch build-up
- High hook & shear angles for smooth, clean cutting
- Cuts slice cleanly with splinter-free results
- Sealed, pre-lubricated bearing
Specifications
- Item: 45° Lock Miter Router Bit
- Material: 45# steel
- Carbide tip: YG6X (micro-grain)
- Shank Diameter: 8 mm
- Balance Tolerance: ±0.003″
- Blade: Industrial-grade micro-grain carbide
- Cutter Finish: CNC ground to a 600-grit, mirror-like finish
- Detailed dimensions: see photos above.
Reference: Machine Speeds
| Machine | Speed Range | Notes |
|---|---|---|
| Trimming machine | 10,000–30,000 rpm | General trimming |
| Electric router | 9,000 / 12,000 / 15,000 / 19,000 / 23,000 rpm | 5-gear |
| Vertical router | 12,000–24,000 rpm | Low/High |
| CNC engraving | Up to 18,000 rpm | VFD |
Diameter vs. Max Speed / Feed
| Diameter (mm) | Max Speed (rpm) | Max Feed (mm/min) |
|---|---|---|
| ≤ 25 | 24,000 | 5,000 |
| 25.1–35 | 18,000 | 4,000 |
| 35.1–50 | 16,000 | 3,500 |
| 50.1–60 | 14,000 | 3,000 |
| 60.1–80 | 12,000 | 2,500 |
| ≥ 80 | 10,000 | 2,000 |















