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Help CenterRailway Sleeper Dowel Pin 22mm Diameter 300mm Length Black Oxide Coated Anti-rust
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Anping County Boli Hardware Wiremesh Products Factory proudly presents our high-quality Railway Sleeper Dowel Pin – a precision-engineered component designed for reliable track fastening. With a diameter of 22mm and length of 300mm, this dowel pin features a black oxide coating that provides excellent anti-rust protection, ensuring long service life in demanding railway environments. Backed by over 25 years of manufacturing experience since 1998, we deliver consistent quality and dimensional accuracy to meet the needs of railway infrastructure projects worldwide.
Our dowel pins are manufactured from high-strength carbon steel and undergo a stringent black oxide treatment process, which not only enhances corrosion resistance but also reduces friction during installation. The precise 22mm diameter and 300mm length are designed to fit standard railway sleeper holes, offering a secure and stable connection. Whether used for new track construction or maintenance of existing lines, this product ensures reliable performance under heavy loads and harsh weather conditions.
Key Features
- Precision Dimensions: 22mm diameter (+/- 0.1mm tolerance) and 300mm length (+/- 0.5mm) for perfect fitment.
- Black Oxide Coating: Provides a durable anti-rust layer, suitable for outdoor and wet environments.
- High Strength Material: Made from carbon steel (grade 45# or equivalent) with optional stainless steel available.
- Easy Installation: Smooth surface finish reduces friction, making insertion into pre-drilled holes effortless.
- Versatile Use: Ideal for railway sleepers, wooden ties, and other timber fixing applications.
- Customizable: Length, diameter, and coating (e.g., zinc plating, Dacromet) can be adjusted per customer specification.
Technical Specifications
| Parameter | Value |
|---|---|
| Diameter | 22mm |
| Length | 300mm |
| Material | Carbon steel (SS304 optional) |
| Surface Treatment | Black oxide coating |
| Hardness | HRC 20-30 (customizable) |
| Tolerance | +/- 0.1mm (diameter), +/- 0.5mm (length) |
| Standard | Compliant with industry standards (custom per request) |
Benefits for Your Railway Projects
- Enhanced Durability: The black oxide coating significantly extends the service life of the dowel pin, reducing replacement frequency and maintenance costs.
- Cost-Effective Solution: Our direct manufacturing approach eliminates middlemen, offering competitive pricing without compromising quality.
- Reliable Fit: Strict quality control ensures consistent dimensions, preventing loose connections or jamming during installation.
- Global Logistics: With ports including Tianjin, Qingdao, Shanghai, and Foshan, we ensure timely delivery to any destination worldwide.
- Technical Support: Our experienced team provides application advice and customization options to meet specific project requirements.
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a trusted supplier in the hardware and construction industry. With an annual export value of US$5 million to US$10 million, we serve markets across North America, South America, Europe, Asia, Africa, and Oceania. Our commitment to quality is reflected in every dowel pin we produce, backed by rigorous testing and a customer-centric approach.
Choose our Railway Sleeper Dowel Pin for your next project and experience the reliability of a product designed for performance. Contact us today for a quote or to discuss your specific requirements. We welcome OEM/ODM orders and are ready to support your success.
Frequently Asked Questions (FAQ)
1. What is the material of the 22mm railway dowel pin?
The standard material is high-grade carbon steel (e.g., 45# steel). Stainless steel (SS304) is also available upon request for enhanced corrosion resistance.
2. Is the black oxide coating environmentally friendly?
Yes, the black oxide process is an environmentally safe coating that provides anti-rust properties without harmful chemicals. It is compliant with international environmental standards.
3. Can I get custom lengths or diameters?
Absolutely. We offer customization services for diameter, length, coating type, and material. Minimum order quantity may apply for custom sizes.
4. How do you ensure dimensional accuracy?
We use precision CNC machines and conduct 100% inspection on critical dimensions. Each batch is tested with calibrated tools to maintain tolerances of +/- 0.1mm on diameter and +/- 0.5mm on length.
5. What is the typical lead time for this product?
For standard sizes, lead time is 15-20 days after order confirmation. For customized products, it may take 25-30 days depending on the complexity.
6. Do you provide samples for testing?
Yes, we offer samples. Please contact our sales team to arrange sample delivery. The cost of samples may be deducted from future bulk orders.
7. How is the product packaged for export?
Our dowel pins are packed in strong cartons or wooden pallets, with anti-rust paper and plastic wrap to ensure safe transport. Packaging can be customized per customer request.
8. What payment terms do you accept?
We accept T/T, L/C, and other common international payment methods. Specific terms can be negotiated.
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