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Help CenterDouble End Railway Sleeper Dowel Pin 10mm x 100mm Plain Finish 8.8 Grade Carbon Steel
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer specializing in railway fastening components. Our Double End Railway Sleeper Dowel Pin 10mm x 100mm Plain Finish 8.8 Grade Carbon Steel is engineered to provide reliable fixation for concrete and wooden sleepers. With a robust 8.8 grade carbon steel construction and plain finish, this dowel pin delivers consistent performance under heavy rail traffic. Leveraging over two decades of export experience (annual export value US$5-10 million), we supply to global markets including North America, Europe, and Oceania.
This dowel pin is designed for easy installation and long service life. The double-end configuration allows for secure anchoring into sleeper holes, while the precise 10mm diameter and 100mm length ensure compatibility with standard railway sleeper systems. Below we detail the key features and specifications:
| Parameter | Specification |
| Diameter | 10 mm (±0.1 mm) |
| Overall Length | 100 mm (±0.5 mm) |
| Material Grade | 8.8 Grade Carbon Steel |
| Surface Finish | Plain Finish (no coating) |
| End Configuration | Double end (both ends beveled/chamfered) |
| Tensile Strength | ≥ 800 MPa (typical for 8.8 grade) |
| Yield Strength | ≥ 640 MPa |
Key Features and Benefits:
- High Strength & Durability: 8.8 grade carbon steel provides excellent tensile strength, resisting deformation under heavy loads. The plain finish avoids coating issues such as peeling or corrosion under certain conditions (optional coatings available upon request).
- Precision Manufacturing: Each pin is cold-formed and heat-treated to achieve consistent dimensions, ensuring a snug fit in sleeper holes. The 10mm diameter tolerance is controlled within ±0.1mm.
- Double End Design: Both ends are chamfered to facilitate insertion and reduce damage to the sleeper material. This design also allows for easier alignment during installation.
- Versatile Application: Suitable for use with concrete sleepers, wooden sleepers, and some composite sleeper systems. Compatible with standard railway fastening systems.
- Corrosion Resistance Options: While the plain finish is standard, we can offer zinc plating, hot-dip galvanizing, or Dacromet coating as custom options to meet specific environmental requirements.
- Cost-Effective Solution: As a manufacturer with direct factory pricing, we provide competitive rates without compromising quality. Our annual production capacity supports large-scale orders.
Why Choose Our Dowel Pins? With over 25 years of manufacturing experience, Anping Boli has established a rigorous quality control system. We test each batch for hardness, tensile strength, and dimensional accuracy. Our main markets include North America, South America, Europe, Southeast Asia, Africa, and Oceania, serving both railway construction companies and infrastructure projects. We ship from major Chinese ports (Tianjin, Qingdao, Shanghai) with flexible delivery terms.
FAQ - Frequently Asked Questions
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Q: What is the difference between plain finish and coated dowel pins?
A: Plain finish means no additional coating; the surface is as-rolled from the steel mill. Coated options (e.g., zinc plating) provide extra corrosion resistance for humid or outdoor applications. We can customize according to your project requirements. -
Q: What is the typical tolerance for diameter and length?
A: Diameter tolerance is ±0.1mm, length tolerance is ±0.5mm. Tighter tolerances are available upon request but may affect pricing. -
Q: Can these dowel pins be used for wooden sleepers?
A: Yes, the double-end design is suitable for both concrete and wooden sleepers. For wooden sleepers, we recommend using a pre-drilled hole of 10mm diameter for optimal fit. -
Q: Do you provide samples before mass production?
A: Yes, we offer free samples for evaluation (shipping cost covered by buyer). Sample lead time is 5-7 working days. -
Q: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 5000 pieces for this size. However, smaller quantities can be negotiated for trial orders. -
Q: How do you ensure the 8.8 grade quality?
A: We perform chemical composition analysis and mechanical testing (tensile, yield, hardness) on each production lot. Certificates of conformity are available upon request. -
Q: Are these pins compatible with standard rail fastening systems like Pandrol or Vossloh?
A: While our pins are designed for general sleeper doweling, compatibility with specific fastening systems should be verified. We can provide technical drawings for your review. -
Q: What packaging options do you offer?
A: Standard packaging is in woven bags with inner plastic lining, 25kg per bag or 500 pieces per carton. Custom packaging (e.g., palletizing, shrink wrap) is available.
Backed by a factory established in 1998, annual export revenue of US$5-10 million, and a global customer base, Anping County Boli Hardware Wiremesh Products Factory is your reliable partner for railway sleeper dowel pins. Our commitment to quality, competitive pricing, and on-time delivery has earned us long-term relationships with clients across six continents. Contact us today for a quotation or to discuss your specific requirements. We welcome OEM/ODM inquiries.
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