TR3899 – Keyhole Router Bits (1/2″ and 12mm Shanks)
Price range: $2.18 through $6.55
TR3899 keyhole router bits with 1/2″ and 12mm shanks. Perfect for woodworking hanging slots, plaques, picture frames, and wall-mounted projects with smooth, precise cutting performance.
Keyhole Router Bits for Woodworking Hanging Slots (1/2″ and 12mm Shanks)
Made of durable 45# steel with a heat-resistant Teflon coating, sealed & lubricated bearings, and ±0.003″ tolerance.
Ideal for cutting clean keyhole slots for picture frames, shelves, signage, and fixtures in solid wood, MDF, plywood, and ecological boards.
Specifications
- Product Name: Keyhole Router Bit
- Item: 12 mm Shank Router Bit
- Material: 45# steel
- Coating: High-temperature, heat-resistant Teflon
- Tolerance: ±0.003″
- Bearing: Sealed & lubricated
- Shank Diameter: 12 mm / 12.7 mm
- Applicable Materials: Solid wood, ecological board, MDF, plywood, etc.
- Compatible Equipment: Electric router, trim router, engraving machine, hanging router, CNC, etc.
- Recommended Parameters: Feed 8–12 m/min; Spindle 18,000–24,000 RPM
Package Includes
- 1 × Keyhole Router Bit
Notes
- Your selected specification/color will be prioritized; if out of stock, a close alternative may be provided.
- Manual measurement may cause a 1–3 mm deviation.
- Colors may vary slightly due to display and photography differences.
Reference
| 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 | 1st–5th gear |
| Vertical Router (Table) | 12,000–24,000 RPM | Low/High ranges |
| CNC / Engraving Machine | Up to ~18,000 RPM | Variable frequency |
| Diameter / 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 | 1/2" shank – Black 3-piece set, 12mm shank – Black 3-piece set, 1/2" shank – Yellow 1/2" x 3/8", 1/2" shank – Yellow 1/2" x 1/2", 12mm shank – Yellow 12mm x 3/8", 12mm shank – Yellow 12mm x 1/2", 1/2" shank – Black 1/2" x 5/16", 1/2" shank – Black 1/2" x 3/8", 1/2" shank – Black 1/2" x 1/2", 12mm shank – Black 12mm x 5/16", 12mm shank – Black 12mm x 3/8", 12mm shank – Black 12mm x 1/2", 1/2" shank – Yellow 1/2" handle 3/8 + 1/2", 12mm shank – Yellow 12mm handle 3/8 + 1/2", 1/2" shank – Black 1/2" handle 3/8 + 1/2", 12mm shank – Black 12mm handle 3/8 + 1/2", 1/2" shank – Yellow 1/2" 3-piece set, 12mm shank – Yellow 12mm 3-piece set, 1/2" shank – Yellow 1/2" x 5/16", 12mm shank – Yellow 12mm x 5/16" |
|---|
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