RTE4872 – Core Box (Round Nose) Router Bit (8mm Shank, Deep Cut)
Price range: $3.49 through $5.24
The RTE4872 Core Box Router Bit (Round Nose) creates smooth deep round-bottom grooves. With an 8mm shank and carbide cutting edge, it’s ideal for woodworking, carving, and decorative groove cutting.
Core Box Router Bit – Round Nose Groove Cutter, 8mm Shank
Perfect for half-round grooves, fluting, lettering, and decorative woodworking. With heat-resistant Teflon coating, sealed bearing, and ±0.003″ tolerance, this bit delivers smooth and consistent cuts across hardwood, MDF, and composite boards.
Specifications
- Name: Round Nose (round-bottom) router bit
- Item: 8 mm Shank Router Bit
- Material: 45# steel
- Features: Build-up & heat-resistant Teflon coating
- Tolerance: ±0.003″
- Bearing: Sealed & lubricated
- Shank Diameter: 8 mm
- Suitable Materials: Solid wood, MDF, plywood, eco boards, etc.
- Compatible Equipment: Trim router, handheld electric router, engraving/CNC router, trimmer, etc.
Recommended Parameters
- Feed speed: 8–12 m/min
- Spindle speed: 18,000–24,000 RPM (recommended)
Package Included
- 1 × router bit
Notes
- Your selected color will be prioritized for shipment; if out of stock, an alternative color may be sent.
- Due to manual measurement, a small deviation of 1–3 mm may occur.
- Display/photography differences may cause slight color variation from the actual product.
Reference
| Common Machine | Typical Speed Range | Notes |
|---|---|---|
| Trim router | 10,000–30,000 RPM | — |
| Electric router | 9,000 / 12,000 / 15,000 / 19,000 / 23,000 RPM | Typical multi-gear settings (1st–5th) |
| Vertical router (table) | 12,000 (low) – 24,000 (high) RPM | Low/High ranges |
| Automatic engraving/CNC | Up to ~18,000 RPM (VFD) | Variable-frequency drive |
| Diameter or Cutting Height (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 |
| type | 8mm shank – Deep round bottom bit 1/4 x 25.4mm, 8mm shank – Deep round bottom bit 5/16 x 25.4mm, 8mm shank – Deep round bottom bit 3/8 x 25.4mm, 8mm shank – Deep round bottom bit 1/2 x 25.4mm, 8mm shank – Deep round bottom bit 5/8 x 32mm, 8mm shank – Deep round bottom bit 3/4 x 38.1mm, 8mm shank – Deep round bottom bit 1 x 38.1mm |
|---|
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