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Through Hole Dowel Boring Drill Bit
Solid carbide through-hole dowel drills, 3-8 mm, L/R options. Clean-exit dowel holes for panel joining lines.
The VPOINT Through Hole Dowel Boring Drill Bit is a carbide through-hole drilling tool. Ideal for through-hole dowel drilling, panel joining on drilling lines and multi-spindle drilling heads.
Product Description
| Product | Solid Carbide Through Hole Boring Drill Bit for Wood Drilling |
| Size | 3-8mm |
| Material | Tungsten Carbide |
| Usage | Through hole drilling |
| Application | drilling hole |
| Shank | 10mm |
| Length | 57/70mm |
VPOINT Carbide offers a range of specialized through-hole dowel boring drill bits designed for woodworking. These drill bits are engineered to provide precise and clean holes, which are essential for creating strong and accurate dowel joints. Here are the key features and benefits of VPOINT Carbide through-hole dowel boring drill bits:
Key Features:
- High-Quality Carbide Material: Made from durable carbide, these drill bits offer excellent wear resistance and a longer lifespan compared to standard steel bits.
- Precision Ground: The bits are precision ground to ensure accurate hole sizes and smooth finishes, which are crucial for tight-fitting dowel joints.
- Centering Point: Equipped with a sharp centering point for exact positioning, minimizing the risk of misalignment.
- Cutting Spurs: Features cutting spurs on the outer edges to produce clean, splinter-free holes.
- Flutes: Designed with optimized flutes for efficient removal of wood chips and dust, preventing clogging and overheating.
Size:
| Rotation | Diameter(D)φ | TotalLength(L) |
| R/ L | 3.0mm | 57/70mm |
| R/ L | 4.0mm | 57/70mm |
| R/ L | 5.0mm | 57/70mm |
| R/ L | 6.0mm | 57/70mm |
Applications:
- Furniture Making: Ideal for creating dowel joints in furniture components, ensuring strong and durable connections.
- Cabinetry: Used in cabinet construction for precise and clean dowel holes.
- Woodworking Projects: Suitable for various woodworking projects that require accurate dowel holes.
- Joinery: Essential for joinery applications where precision and strength are critical.
Design and Construction
The through-hole dowel boring drill bit carries solid carbide for through-hole dowel drilling. Sizes run 3 to 8 mm per the specifications table, with left- and right-hand rotation options; the table also states material (tungsten carbide) and intended use (through-hole drilling).
How It Works
The drill pierces the panel completely: the tip centres quickly, the flutes evacuate the chip, and the exit side breaks out clean. Paired left/right versions drill matching dowel holes from both panel faces without misalignment at the joint.
Applications
- Through-hole dowel drilling
- Panel joining on drilling lines
- Multi-spindle drilling heads
- Dowel joint production
Suitable Materials
- Melamine-faced particleboard
- MDF and laminated boards
- Plywood
- Solid wood panels
Solid carbide keeps dowel-hole diameter and exit quality through 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 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.
| Rotation | Diameter(D)φ | TotalLength(L) |
| R/ L | 3.0mm | 57/70mm |
| R/ L | 4.0mm | 57/70mm |
| R/ L | 5.0mm | 57/70mm |
| R/ L | 6.0mm | 57/70mm |
Key words: through hole dowel drill, solid carbide drill bit, dowel boring drill, panel drilling bit
