PA66+30%GF Socket Head Cap Screw
Product Overview
PA66+30%GF Socket Head Cap Screw is a high-performance engineering plastic fastener designed for applications that require excellent strength, electrical insulation, corrosion resistance, and lightweight performance. Made from polyamide 66 reinforced with 30% glass fiber, this socket head cap screw offers higher rigidity, better dimensional stability, and improved mechanical performance compared with standard nylon screws.

With its internal hex drive and cylindrical head design, this fastener is suitable for precise assembly environments where compact structure, secure tightening, and non-metal material advantages are required. It is widely used in electronics, electrical systems, automotive parts, industrial equipment, and other technical fastening applications.
Product Specification Table
| Feature | Description |
|---|---|
| Product Name | PA66+30%GF Socket Head Cap Screw |
| Material | PA66 (Nylon 66) + 30% Glass Fiber |
| Head Type | Socket Head Cap / Cylindrical Head |
| Drive Type | Hex Socket / Allen Drive |
| Thread Type | Machine Thread / Custom Thread |
| Color | Natural / Black / Custom Color |
| Sizes Available | M3 to M12 or customized |
| Length Range | 6mm – 100mm or customized |
| Service | OEM / ODM Custom Manufacturing |
Technical Specifications
| Parameter | Specification |
|---|---|
| Base Resin | Polyamide 66 |
| Reinforcement | 30% Glass Fiber |
| Main Advantages | High strength, high rigidity, insulation, corrosion resistance, dimensional stability |
| Head Structure | Cylindrical head with internal hex socket |
| Processing Method | Injection Molding |
| Customization | Support for custom sizes, colors, and structures |
Materials and Manufacturing Process
Our PA66+30%GF Socket Head Cap Screw is produced from high-quality Nylon 66 material reinforced with 30% glass fiber, which significantly enhances the screw’s strength and rigidity compared to ordinary plastic screws. This material is ideal for fastening applications requiring both non-metal performance and improved structural reliability.
Manufacturing Process:
- Raw Material Inspection
- PA66+30%GF Material Preparation
- Precision Injection Molding
- Thread Forming
- Hex Socket Structure Inspection
- Dimensional and Appearance Testing
- Packing and Delivery
Strict quality control is applied throughout the production process to ensure stable dimensions, reliable fastening performance, and consistent product quality.
Application Fields
PA66+30%GF Socket Head Cap Screw is widely used in applications where metal fasteners are not suitable or where lightweight and insulation are important. Common application fields include:
- Electrical and Electronic Equipment
- Industrial Control Systems
- Automotive Plastic Components
- Communication Devices
- Home Appliances
- Mechanical Assemblies with Insulation Requirements
- Corrosion-Sensitive Installation Environments
It is especially suitable for compact equipment and precision assemblies requiring a clean appearance, secure tightening, and non-rusting fastening performance.
Advantages of PA66+30%GF Socket Head Cap Screw
Featuring High-Strength Reinforced Nylon and Internal Hex Drive
- Enhanced mechanical strength: 30% glass fiber improves rigidity and load-bearing performance.
- Excellent dimensional stability: Better stability than standard nylon fasteners.
- Electrical insulation: Suitable for electrical and electronic applications.
- Corrosion resistance: Will not rust in humid or chemically sensitive environments.
- Lightweight material: Helps reduce overall product weight.
- Internal hex drive: Convenient for precise installation and secure tightening.
- Neat cylindrical head: Ideal for compact assemblies and professional appearance.
- Custom production available: Sizes, colors, and structures can be customized.
Testing & Quality Control
We implement strict testing and inspection standards for every batch of PA66+30%GF Socket Head Cap Screw:
- Raw material verification
- Dimension inspection
- Thread inspection
- Hex socket accuracy inspection
- Appearance quality check
- Mechanical performance testing
- Final batch sampling before shipment
This ensures that the products meet customer requirements for quality, consistency, and reliable application performance.
Summary & Company Promotion
At Flybear Fastener, we provide high-quality plastic fasteners and customized fastening solutions for global customers. PA66+30%GF Socket Head Cap Screw combines the benefits of reinforced engineering plastic with a practical internal hex drive design, making it an ideal choice for industrial, electronic, and technical assembly applications.
Welcome to contact us for customized specifications, product support, and quotations for PA66+30%GF socket head cap screws and other engineering plastic fasteners.








