4-Blade T-Slot Router Bit – Carbide Groove Cutter with Bearing, 8mm Shank
High-precision 8mm shank 4-blade ball T-slot router bit, designed with sealed bearings and Teflon coating for smooth cutting in wood and composite materials.
Specifications
- Item: 8mm Shank Router Bit
- Material: 45# steel
- Features: High-temperature & heat-resistant Teflon coating
- Tolerance: ±0.003″
- Bearing: Sealed lubricated bearings
- Shank Diameter: 8mm
- Applicable Materials: Solid wood, ecological board, MDF, plywood, etc.
- Applicable Equipment: Electric wood milling, engraving machine, trimming machine, hanging machine, CNC
- Recommended Parameters: Feed speed 8–12 m/min; Spindle 18,000–24,000 RPM
Package Included
- 1 piece × router bit
Note
- The selected color will be prioritized; if out of stock, an alternative color will be provided.
- Manual measurement may result in 1–3 mm error.
- Colors may vary slightly due to display and lighting differences.





| Common Machine | Speed Range | Equipment | Details |
|---|---|---|---|
| Trimming Machine | 10,000–30,000 rpm | Electric Router | 1st 9,000 · 2nd 12,000 · 3rd 15,000 · 4th 19,000 · 5th 23,000 rpm |
| Vertical Milling Machine | 12,000–24,000 rpm | Automatic Engraving | Variable frequency up to 18,000 rpm |
| Diameter / Cutting Height (mm) | Max Speed (rpm) | Max Feed (mm/min) |
|---|---|---|
| Below 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 |
| Above 80 | 10,000 | 2,000 |















