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TCT Brad Point Dowel Drill Bits
TCT brad point dowel drills, ØD 5-12 mm, L 57/70 mm, R/L. Precise dowel holes for drilling lines.
The TCT brad point dowel drill bits carry carbide-tipped brad-point geometry for precise dowel holes. Rotation R/L; diameters (ØD) 5 to 15 mm; total lengths (L) 57 or 70 mm, per the specifications table.
The VPOINT TCT Brad Point Dowel Drill Bits are a carbide dowel drill. Ideal for precise dowel hole drilling, multi-spindle drilling heads and panel furniture dowel joinery.
Design and Construction
The TCT brad point dowel drill bits carry carbide-tipped brad-point geometry for precise dowel holes. Rotation R/L; diameters (ØD) 5 to 15 mm; total lengths (L) 57 or 70 mm, per the specifications table.
How It Works
The brad point pinions the bit to the exact position and the spurs score the wall before the body clears the chip — precise, crisp dowel holes at production volume. Left/right pairs fit multi-spindle drilling heads.
Applications
- Precise dowel hole drilling
- Multi-spindle drilling heads
- Panel furniture dowel joinery
- Line boring stations
Suitable Materials
- Melamine-faced particleboard
- MDF and laminated boards
- Plywood
- Solid wood panels
The carbide brad point keeps position and wall crisp across high-volume runs.
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, box quantities on request. Order by the diameter, length and rotation 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
| Rotation | Diameter(D)φ | Total Length(L) |
| R/ L | 5mm | 57/70mm |
| R/ L | 6mm | 57/70mm |
| R/ L | 8mm | 57/70mm |
| R/ L | 9mm | 57/70mm |
| R/ L | 10mm | 57/70mm |
| R/ L | 12mm | 57/70mm |
| R/ L | 15mm | 57/70mm |
Key words: brad point dowel drill, TCT drill bit, precise dowel bit, woodworking drill
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