Materials
Nylon
Nylon (Polyamide, PA)
Material:
Nylon is a thermoplastic polymer commonly used for engineered fasteners and components requiring lightweight, chemical resistance, and moderate strength.
Popular types for fasteners include Nylon 6 (PA6) and Nylon 6/6 (PA66).
Mechanical Properties:
Tensile Strength: Moderate (~8,000–12,000 psi for PA66; lower for PA6).
Impact Resistance: Good toughness; absorbs shock and vibration better than metals.
Ductility: High, allowing some flex without cracking.
Temperature Range:
PA6: ~200°F (93°C) maximum continuous use.
PA66: ~220°F (104°C) maximum continuous use.
Chemical Resistance: Excellent resistance to oils, fuels, many acids, and bases. Poor resistance to strong oxidizers.
Moisture Absorption: Nylon absorbs water, which can slightly reduce mechanical properties and cause dimensional changes.
Manufacturing Considerations:
Injection Molding & Extrusion: Standard methods for high-volume fasteners like screws, nuts, washers, and clips.
Machining: Can be machined or drilled with care; avoid overheating and melting.
Joining: Can be press-fit or glued with compatible adhesives.
Customization: Color, UV stabilizers, and glass-fiber reinforcement can improve strength, stiffness, and environmental resistance.
Applications in Fasteners & Components:
Lightweight screws, nuts, washers, and clips for electronics, appliances, automotive, and consumer products.
Chemical-resistant fasteners in piping, valves, or pumps.
Electrical insulating components like spacers and standoffs.
Mechanical assemblies requiring vibration damping and shock absorption.
Low-to-moderate load applications where metal fasteners are unnecessary or undesirable.
Key Takeaway for Fasteners
Nylon is chosen for lightweight, corrosion-resistant, and insulating fasteners in electrical, automotive, consumer, and chemical applications. While its strength is lower than metals, its impact resistance, chemical compatibility, and machinability make it ideal for non-structural or moderately loaded components.
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Putting Manufacturing Exellence Into Practice
The manufacturing processes, testing capabilities, and quality systems featured throughout WN Global support the production of critical components and engineered fastening solutions across demanding industries. Connect with our team to learn how our manufacturing capabilities can support your project requirements.
