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TCT 2 Flutes Spiral Compression Bit
TCT 2+2 compression spiral bits, ØD 6-10 mm, CEL 20-40 mm, 1/2″ shank. Both faces clean in one pass on thick panels.
The VPOINT TCT 2 Flutes Spiral Compression Bit is a carbide woodworking cutting tool. Ideal for double-faced panel cutting on CNC routers, thick laminate panel sizing and nested-based manufacturing.
Design and Construction
The TCT 2-flutes spiral compression bit pairs up-cut and down-cut flutes (2+2) on a carbide body: diameters (ØD) 6 to 10 mm with cutting lengths 20 to 40 mm and 1/2″ (12 mm) shanks, per the specifications table.
How It Works
A compression spiral cuts both faces clean in one pass: the down-cut section presses the top laminate in, the up-cut section lifts the bottom chip out — no breakout on either face. This is the double-faced-panel geometry for thick stock on CNC routers.
Applications
- Double-faced panel cutting on CNC routers
- Thick laminate panel sizing
- Nested-based manufacturing
- Clean-top compression cuts
Suitable Materials
- Melamine-faced particleboard
- MDF and laminated boards
- Veneered plywood
- Solid wood
The 2+2 compression design finishes both faces of thick panels in a single pass.
Material Comparison: Tungsten Carbide vs. High-Speed Steel
This drill carries tungsten carbide — the production standard for woodworking lines. The figures below are typical industry data showing where carbide and HSS each win, so you can match the material to the job.
| Property | Tungsten Carbide (This Drill) | High-Speed Steel (HSS) |
|---|---|---|
| Hardness | 1,500–2,000 HV | ~850 HV (65 HRC) |
| Hot hardness | Keeps hardness at ~900–1,000 °C | Softens above ~600 °C |
| Edge life in abrasive board | Long baseline life in MDF/particleboard | Shorter — dulled quickly by adhesives and mineral fillers |
| Hole quality over life | Hole diameter holds as the edge wears slowly | Diameter shrinks visibly as the point wears |
| Regrind | 4–6 regrinds typical | 2–3 regrinds, softer edge deforms faster |
| Brittleness | Higher — avoid side loads and impacts | Lower — more forgiving of misuse |
| Suited for | Production drilling in MDF, particleboard, plywood, solid wood | Light-duty and occasional drilling |
Figures are typical published values; actual tool life depends on the workpiece material, feed rate, spindle speed and cooling.
Delivery Scope
Single bit. Order by the diameter, cutting length and shank stated in the specifications table below.
Why Choose VPOINT
- One-year warranty on every cutter — defects in material or workmanship are covered for 12 months from delivery.
- Custom tooling — diameters, shanks, cutting lengths and flute configurations built to your drawing or sample.
- Non-standard fabrication — sizes outside the standard catalogue, including special geometries.
- Resharpening service — cutters return to service after regrinding at a fraction of new-tool cost.
- Factory-direct since 2008 — ISO 9001 manufacturing in Sichuan and Dongguan, China; no trading intermediaries.
Send a drawing, a sample or a worn tool, and our engineering team will quote the exact specification you need.
Precision & Quality Control
Every cutter is inspected before shipment. Shank diameter, cutting-edge diameter, cutting length and overall length are measured against the values listed in the specifications table, and cutting edge runout is verified on the assembled tool.
Tools measuring outside tolerance do not ship. Inspection is performed under our ISO 9001 quality system, with batch records retained for traceability.
Specifications
| Diameter(D)φ | CEL | SHK | Teeth |
| 6 | 20 | 1/2″, 12 | 2+2 |
| 6 | 22 | 1/2″, 12 | 2+2 |
| 6 | 28 | 1/2″, 12 | 2+2 |
| 8 | 20 | 1/2″, 12 | 2+2 |
| 8 | 22 | 1/2″, 12 | 2+2 |
| 8 | 28 | 1/2″, 12 | 2+2 |
| 8 | 30 | 1/2″, 12 | 2+2 |
| 8 | 35 | 1/2″, 12 | 2+2 |
| 8 | 40 | 1/2″, 12 | 2+2 |
| 10 | 22 | 1/2″, 12 | 2+2 |
| 10 | 28 | 1/2″, 12 | 2+2 |
| 10 | 30 | 1/2″, 12 | 2+2 |
| 10 | 35 | 1/2″, 12 | 2+2 |
| 10 | 40 | 1/2″, 12 | 2+2 |
Key words: compression router bit, 2+2 spiral bit, compression end mill, double face panel bit
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