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Nylon Sleeve for Screw Spike Fastening System 1-Year Warranty With Mill Test Report and Standard Compliant

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Product Spotlights

High-grade nylon sleeve for screw spike fastening systems, backed by 1-year warranty and Mill Test Report. Customizable sizes, excellent wear/corrosion resistance, and compliance with global railway standards. Ideal for reliable insulation and track stability.
Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Warranty:
1 Year
Material:
Nylon (PA6/PA66)
Color:
Black / Yellow / Custom
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Anping County Boli Hardware Wiremesh Products Factory
Gold Verified Supplier
2Yrs
Verified Business License
Payment & Shipping
Payment Methods:
Port of Shipment:
tianjin shanghai qingdao
Delivery Detail:
Delivery time depends on order quantity.

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Warranty 1 Year
Material Nylon (PA6/PA66)
Color Black / Yellow / Custom
Inner Diameter 20mm – 30mm (customizable)
Outer Diameter 30mm – 45mm (customizable)
Length 100mm – 200mm (customizable)
Mill Test Report Included
Standard Compliance Yes (industry standard)
Application Screw Spike Fastening System for railway tracks
Brand Boli

Anping County Boli Hardware Wiremesh Products Factory (established 1998) is a professional manufacturer of railway fastening components. Our Nylon Sleeve for Screw Spike Fastening System is designed to provide reliable insulation and secure fixation for screw spikes in track structures. With an annual export value of US$5–10 million, we serve global markets including North America, Europe, and Southeast Asia. Each sleeve comes with a 1-year warranty and a Mill Test Report (MTR) to ensure full material traceability and standard compliance.

This product is engineered to withstand harsh environmental conditions, offering excellent wear resistance, corrosion resistance, and aging resistance. It is an essential component for maintaining track gauge stability and preventing electrical conduction between the rail and the fastening system. Below we detail the key features, technical specifications, and benefits.

Key Features & Technical Specifications

  • Material: High-grade engineering nylon (PA6 or PA66) with UV stabilizers, ensuring long service life under direct sunlight and temperature variations from -40°C to +80°C.
  • Precision Manufacturing: Injection molded with tight tolerances (±0.5mm) to ensure a snug fit with standard screw spikes (e.g., 24mm – 30mm diameter).
  • Insulation Performance: Electrical insulation resistance >10^12 Ω, preventing stray current leakage in electrified railway systems.
  • Mechanical Strength: Tensile strength ≥60 MPa, compressive strength ≥80 MPa, and impact resistance (Izod) ≥8 kJ/m².
  • Chemical Resistance: Resistant to oils, greases, salt spray, and de-icing chemicals commonly used on railways.
  • Standard Compliance: Manufactured in accordance with international railway fastening standards (e.g., AREMA, UIC, or customer-specific requirements).
  • Mill Test Report: Each batch is accompanied by a detailed MTR covering raw material lot number, mechanical properties, and dimensional inspection results.

The following table summarizes the standard dimensions and performance parameters (custom sizes available upon request):

Parameter Value
Inner Diameter 24 mm (standard) / 20–30 mm (custom)
Outer Diameter 36 mm (standard) / 30–45 mm (custom)
Length 150 mm (standard) / 100–200 mm (custom)
Wall Thickness 6 mm (standard) ±0.5 mm
Color Black (standard) / Yellow / Custom
Operating Temperature -40°C to +80°C
Tensile Strength ≥60 MPa
Compressive Strength ≥80 MPa

Benefits for Your Railway Fastening System

  • Enhanced Safety: The nylon sleeve prevents metal-to-metal contact between the screw spike and the rail base, reducing the risk of electrical shorts and corrosion.
  • Extended Service Life: High impact and wear resistance minimize the need for frequent replacements, lowering maintenance costs.
  • Easy Installation: The sleeve is pre-formed to fit standard screw spikes; simply insert the spike through the sleeve and tighten into the concrete sleeper or steel tie plate.
  • Customizable: We offer a wide range of sizes, colors, and material grades (e.g., glass fiber reinforced nylon) to meet specific project requirements.
  • Full Documentation: Every shipment includes a complete Mill Test Report and a Certificate of Conformance (upon request) for quality assurance.

With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has established a reputation for reliability and quality. Our annual export volume of US$5–10 million is shipped through major ports such as Tianjin, Qingdao, Shanghai, and Foshan, reaching customers in over 20 countries including North America, Europe, Southeast Asia, and Africa. We have a dedicated team to ensure on-time delivery, competitive pricing, and strict quality control.

We invite you to contact us for a quote or sample request. Our engineers can assist in selecting the optimal sleeve design for your specific track system. Trust Boli – your partner in railway fastening solutions.

Frequently Asked Questions (FAQ)

  1. Q: What material is used for the nylon sleeve? A: We use high-quality Nylon PA6 or PA66, which can be customized with additives such as UV stabilizers or glass fiber for enhanced performance.
  2. Q: What sizes are available? A: Standard sizes are 24mm ID × 36mm OD × 150mm length. Custom sizes within 20–30mm ID, 30–45mm OD, and 100–200mm length are available upon request.
  3. Q: Does the sleeve include a Mill Test Report? A: Yes, every batch is accompanied by a detailed Mill Test Report covering raw material traceability and mechanical properties.
  4. Q: Is the product compliant with international standards? A: Yes, we manufacture in accordance with commonly accepted railway standards (e.g., AREMA, UIC, or customer specifications). Please inform us of your required standard at the time of order.
  5. Q: What is the warranty period? A: We offer a 1-year warranty against manufacturing defects under normal operating conditions.
  6. Q: Can the sleeve be used in high-temperature environments? A: Our standard nylon sleeve can operate continuously from -40°C to +80°C. For higher temperatures, we recommend a heat-stabilized grade (please inquire).
  7. Q: How long does delivery take? A: Typical lead time is 15–25 working days after order confirmation, depending on quantity and customization. We ship from Tianjin, Qingdao, Shanghai, or Foshan ports.
  8. Q: Do you provide free samples? A: Yes, we provide free samples for evaluation (shipping charges apply). Contact our sales team to arrange.
Product Tags: Nylon Sleeve for Screw Spike , Screw Spike Fastening System Sleeve , Railway Track Spike Nylon Sleeve

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Anping County Boli Hardware Wiremesh Products Factory
Gold Verified Supplier
2Yrs
Verified Business License
Business Type
Manufacturer
Year Established
1998
Annual Export Value
US$5 Million - US$10 Million
Port of Shipment
Tianjin, Qingdao, qingdao, shanghai, foshan
Contact Supplier Request Quote Chat Now

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