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19
+
YEARS OF EXPERIENCE
3000㎡+
FLOOR SPACE
160
+
MACHINERY EQUIPMENT
3500
+
SATISFIED CUSTOMERS
Zeyao is a Chinese fastener manufacturer with 19 years of experience in screw production. We specialize in the R&D and production of various screws and bolts, possessing over 160 modern production lines and a monthly output exceeding ten million pieces. We professionally provide OEM/ODM customization services, customizing sizes, materials, surface treatments, and packaging according to customer needs.
Product Parameters
|
Parameter |
Description |
|
Product Name |
Tapping Screws for Wood |
|
Material |
Carbon Steel |
|
Size |
Customizable, length typically 12mm–200mm, diameter 2mm–12mm |
|
Manufacturer |
Zeyao |
|
Labeling |
Available |
|
Thread Type |
Full thread or partial thread, designed for quick self-tapping into wood or composite boards |
|
Surface Treatment |
Nickel plating, zinc plating, black oxide, phosphating, polishing, etc. |
|
Strength Grade |
4.8 / 8.8 / 10.9 |
|
Certifications |
ISO9001, RoHS, CE (available upon request) |
|
Features |
High strength, corrosion-resistant, quick installation, stable and reliable |
Specification

| Nominal Diameter/d | dk | k | S | ||||
| Max | Min | Max | Min | Norma | Max | Min | |
| M2 | 3.98 | 3.62 | 2 | 1.86 | 1.5 | 1.58 | 1.52 |
| M2.5 | 4.68 | 4.32 | 2.5 | 2.36 | 2 | 2.28 | 2.02 |
| M3 | 5.68 | 5.32 | 3 | 2.86 | 2.5 | 2.58 | 2.52 |
| M3.5 | 6.22 | 6.32 | 3.5 | 3.36 | 3 | 2.78 | 2.52 |
| M4 | 7.22 | 6.78 | 4 | 3.82 | 3.5 | 3.08 | 3.02 |
| M5 | 8.72 | 8.28 | 5 | 4.82 | 4 | 4.095 | 4.02 |
| M6 | 10.22 | 9.78 | 6 | 5.7 | 5 | 5.14 | 5.02 |
Product Picture






Tapping Screws for Wood Applications
1. Furniture Manufacturing
Used for securing wooden furniture such as chairs, tables, cabinets, bed frames, and bookshelves.
Advantages: Self-tapping threads quickly penetrate wood or composite boards, eliminating the need for pre-drilling and saving assembly time; high-strength materials ensure stable and durable furniture.
2. Building Timber Structures
Suitable for securing wooden beams, wooden floors, log cabins, and wooden platforms in building timber structures.
Advantages: Strong shoulder load-bearing capacity; screws remain stable under heavy loads and vibrations, improving building safety.
3. Industrial Wood Products
Used for industrial wood products such as wooden crates, pallets, display racks, and wooden machinery support components.
Advantages: Precise threads ensure even load distribution; surface treatment provides corrosion resistance, suitable for warehousing, transportation, and outdoor environments.
4. Interior Decoration and Finishing
Used for securing wall panels, ceiling decorations, partitions, and wooden decorative pieces.
Advantages: Quick installation and easy disassembly, suitable for scenarios requiring frequent adjustments or maintenance.
5. DIY and Craft Projects
Suitable for personal DIY furniture, woodworking projects, and educational training.
Advantages: Quick assembly, no special tools required, suitable for beginners and small projects.
6. Outdoor and Special Environments
Suitable for garden decks, gazebos, outdoor furniture, and treated wood structures.
Advantages: Stainless steel or galvanized finish for waterproofing and rust prevention, suitable for humid or rainy environments.
Custom Service
With 18 years in the fastener industry, Zeyao Hardware specializes in manufacturing custom fasteners, including screws, bolts, nuts, rivets, standoffs, and more. We offer tailored solutions to meet your specific needs, ensuring high-quality, reliable products every time.

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