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Help CenterElastic Rail Clip SKL12 13mm Diameter Spring Steel for Metro Rail Fastening With Zinc Plating
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – your reliable manufacturer of high-quality rail fastening components since 1998. Our Elastic Rail Clip SKL12 with a 13mm diameter is precision-engineered from premium spring steel and finished with durable zinc plating, specifically designed for metro rail fastening systems. This clip delivers consistent clamping force, excellent fatigue resistance, and long-term corrosion protection, ensuring safe and stable rail operations. With an annual export value of US$5–10 million and serving markets across North America, South America, Europe, Asia, Africa, and Oceania, we are proud to supply components that meet international standards for mass transit infrastructure.
Product Features & Technical Specifications
- Material: High-grade spring steel (60Si2MnA or equivalent) – provides superior elasticity and resilience under repeated loading.
- Diameter: 13 mm – optimized for standard metro rail fastening systems to ensure proper clamping force.
- Surface Treatment: Zinc plating – offers excellent corrosion resistance in humid or outdoor environments, extending service life.
- Design: SKL12 geometry – widely used in metro tracks for easy installation and reliable retention of rail foot.
- Fatigue Life: Tested to withstand millions of load cycles without permanent deformation or breakage.
- Compatibility: Suitable for most UIC 54, UIC 60, and other common rail profiles used in metro systems.
| Parameter | Value |
|---|---|
| Material | Spring Steel (60Si2MnA) |
| Wire Diameter | 13 mm |
| Surface Finish | Zinc Plating (electroplated) |
| Model | SKL12 |
| Weight per piece | Approx. 0.5 kg |
| Applicable Rail Types | UIC 54, UIC 60, and similar metro rails |
| Standard | UIC 864 or equivalent |
Advantages & Customer Benefits
- Enhanced Safety: Consistent clamping force prevents rail movement and reduces the risk of derailment in metro systems.
- Long Service Life: Spring steel material combined with zinc plating resists corrosion and fatigue, minimizing replacement frequency.
- Easy Installation: The SKL12 design allows quick manual or mechanical installation without special tools, saving labor time.
- Cost-Effective: Durable construction reduces maintenance costs over the track’s lifespan.
- Global Compatibility: Works with standard metro rail profiles used worldwide, making it a versatile choice for contractors and rail operators.
Why Choose Anping Boli?
Founded in 1998, Anping County Boli Hardware Wiremesh Products Factory has over two decades of experience in manufacturing metal components for infrastructure. Our annual export value of US$5–10 million demonstrates our strong production capacity and global reach. We ship from major Chinese ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring efficient logistics to customers in North America, South America, Europe, Asia, Africa, Oceania, and the Middle East. Every batch of SKL12 rail clips undergoes strict quality control to guarantee dimensional accuracy and performance. We are committed to providing reliable products at competitive prices, backed by responsive customer service. Contact us today for a quote or to discuss your specific rail fastening requirements.
Frequently Asked Questions (FAQ)
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Q: What is the exact diameter of the clip?
A: The wire diameter is 13 mm, which is the standard dimension for SKL12 clips used in metro rail fastening systems. -
Q: Is the zinc plating environmentally friendly?
A: Yes, our zinc plating process complies with industry standards and provides effective corrosion protection without harmful substances. -
Q: Can this clip be used for heavy rail or only metro?
A: While designed primarily for metro systems, it can also be used in light rail and tram applications where the rail profile matches UIC 54/60 standards. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ is typically 500 pieces, but we can accommodate smaller trial orders for new customers. Please contact us for details. -
Q: How long does the clip last under normal metro conditions?
A: Depending on traffic load and environmental conditions, the clip can last 5–10 years or more with proper maintenance. -
Q: Is the clip compatible with insulated rail joints?
A: Yes, the SKL12 clip can be used with standard insulated joint assemblies. We recommend verifying compatibility with your specific joint design. -
Q: Do you provide custom sizes or surface treatments?
A: Customization is available upon request. We can modify the diameter, material grade, or coating (e.g., hot-dip galvanized, Dacromet) to meet unique project needs. -
Q: How is the clip packaged for export?
A: Clips are packed in bundles or pallets, with anti-rust wrapping and secure strapping, suitable for sea freight or air freight.
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