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Help CenterNylon Insert for Railroad Fastening System 12mm Inner Diameter Operating Temp -40°C to +120°C
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a trusted manufacturer specializing in high-quality railroad fastening components. Our Nylon Insert for Railroad Fastening System with 12mm inner diameter and operating temperature range of -40°C to +120°C is engineered to provide reliable insulation and vibration damping in demanding railway environments. This insert is a critical component for maintaining secure and durable rail fastenings, ensuring long-term performance and safety. With over two decades of manufacturing experience and annual export value exceeding US$5 million, we deliver products that meet the rigorous standards of global railway markets.
Key Features & Technical Specifications
- High-Quality Nylon Material: Made from durable engineering nylon (PA66/PA6) with excellent mechanical strength and electrical insulation properties.
- Precision 12mm Inner Diameter: Designed to fit standard rail fastening bolts or pins, ensuring a snug and secure fit.
- Wide Operating Temperature Range: Performs reliably from -40°C to +120°C, suitable for extreme climates.
- Excellent Vibration Damping: Reduces noise and vibration, extending the life of the fastening system.
- Corrosion & Chemical Resistance: Resistant to moisture, oils, and many chemicals commonly found in railway environments.
- Customizable Options: Color, hardness, and dimensions can be tailored to specific requirements.
| Property | Value |
| Material | Engineering Nylon (PA66/PA6) |
| Inner Diameter | 12 mm (±0.2 mm) |
| Outer Diameter | 20 mm (customizable) |
| Height | 15 mm (customizable) |
| Operating Temperature | -40°C to +120°C |
| Hardness (Shore D) | 70-85 |
| Tensile Strength | ≥ 60 MPa |
| Color | Black (custom colors available) |
Detailed Product Advantages
Our nylon insert acts as a critical insulator between the rail and the fastening system, preventing electrical conductivity and reducing galvanic corrosion. The precise 12mm inner diameter ensures compatibility with standard bolts used in mainline, heavy-haul, and metro rail systems. The material’s low friction coefficient minimizes wear on mating components, while its high impact resistance withstands the dynamic loads of passing trains.
Benefits to customers:
- Reduced maintenance frequency due to longer service life.
- Improved track stability and safety through reliable insulation.
- Cost-effective solution compared to metal alternatives.
- Lightweight design simplifies handling and installation.
- Available for quick shipment from multiple ports (Tianjin, Qingdao, Shanghai, Foshan).
Trust & Reliability – Why Choose Us
Anping County Boli Hardware Wiremesh Products Factory has been a dedicated manufacturer since 1998, with an annual export value of US$5 million – US$10 million. We serve a wide range of markets including North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our production facility in Hengshui, Hebei, China, is equipped with advanced machinery and strict quality control processes. We have shipped millions of components to satisfied customers worldwide. Contact us today for competitive pricing, custom solutions, and reliable delivery.
Frequently Asked Questions (FAQ)
1. What material is this nylon insert made of?
It is made from engineering-grade nylon (PA66 or PA6), which offers excellent mechanical strength, wear resistance, and electrical insulation properties.
2. Is the 12mm inner diameter suitable for all standard rail fastening bolts?
Yes, the 12mm inner diameter is designed to fit M12 bolts or pins commonly used in railroad fastening systems. Custom diameters are available upon request.
3. Can the insert withstand extreme temperatures?
Absolutely. The operating temperature range is -40°C to +120°C, making it suitable for both cold and hot climates.
4. Do you offer custom sizes or colors?
Yes, we can customize outer diameter, height, color, and hardness to meet your specific requirements. Please contact us with your specifications.
5. What is the typical lead time for an order?
Lead time depends on quantity and customization. Standard orders typically ship within 15-25 days after confirmation. We ship from Tianjin, Qingdao, Shanghai, or Foshan.
6. Are these inserts tested for quality?
Yes, we perform dimensional checks, hardness tests, and temperature cycling tests to ensure consistent quality. Our factory has been producing rail components since 1998.
7. Can I get a sample before placing a bulk order?
Certainly. We offer samples for evaluation. Please contact our sales team to arrange a sample shipment (cost may apply).
8. What is the minimum order quantity (MOQ)?
MOQ is typically 500 pieces for standard sizes. For customized products, MOQ may vary. Contact us for details.
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