PEEK Socket Head Cap Screw
PEEK socket head cap screw is a high-performance engineering plastic fastener designed for precision mechanical assemblies requiring high strength, electrical insulation, and excellent chemical resistance. The PEEK socket head cap screw is manufactured from polyether ether ketone (PEEK), a premium thermoplastic known for outstanding thermal stability and mechanical reliability.
The PEEK socket head cap screw features a cylindrical head with an internal hex (Allen) drive, allowing high torque installation in compact spaces. It is widely used in semiconductor equipment, aerospace systems, medical devices, and advanced electronic assemblies where metal fasteners may cause corrosion, conductivity, or weight issues.
Product Overview
The PEEK socket head cap screw is engineered for applications requiring strong fastening performance in environments where insulation and corrosion resistance are critical. Its cylindrical head design allows higher torque application compared to slotted or Phillips drives, making it suitable for precision engineering systems.
This PEEK socket head cap screw performs reliably in high-temperature, chemically aggressive, and electrically sensitive environments. Unlike metal screws, it eliminates risks of rust, galvanic corrosion, and electromagnetic interference.
As a specialized industrial fastener, it is widely used in OEM manufacturing where lightweight structure and material purity are essential requirements.
Product Specifications
| Item | Description |
|---|---|
| Product Name | PEEK Socket Head Cap Screw |
| Material | PEEK (Polyether Ether Ketone) |
| Head Type | Cylindrical Head |
| Drive Type | Internal Hex (Allen) |
| Thread Type | Metric / UNC / Custom |
| Diameter Range | M2–M12 |
| Length Range | 4mm–80mm |
| Color | Natural Beige / Black (optional) |
| Density | ~1.30 g/cm³ |
| Operating Temperature | -50°C to 260°C |
| Electrical Properties | Excellent insulation |
| Chemical Resistance | Excellent resistance to acids, solvents, oils |
| Packaging | Anti-static bag / carton / OEM packaging |
| Customization | Size, drive type, color available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | ~90–100 MPa |
| Flexural Strength | ~140–160 MPa |
| Hardness | Shore D 85–88 |
| Continuous Service Temperature | Up to 260°C |
| Melting Point | ~343°C |
| Dielectric Strength | High insulation performance |
| Water Absorption | <0.1% |
| Chemical Resistance | Strong resistance to acids, bases, solvents |
Materials and Manufacturing Process
The PEEK socket head cap screw is manufactured using precision polymer processing technology to ensure high dimensional accuracy and stable performance.
- Raw material selection: High-purity PEEK resin
- Injection molding / CNC machining: Formation of cylindrical head geometry
- Thread forming: Precision molded or machined threads
- Internal hex machining: High-accuracy Allen drive formation
- Annealing treatment: Improves dimensional stability
- Surface finishing: Optional polishing for precision applications
- Inspection: Dimensional and mechanical testing
- Cleaning: Contamination-free processing for sensitive industries
- Packaging: Anti-static and moisture-protected packaging
Each PEEK socket head cap screw is produced under strict quality control standards to ensure consistent industrial performance.
Applications of the Product
The PEEK socket head cap screw is widely used across advanced industrial sectors:
- Semiconductor equipment: Wafer handling and processing systems
- Medical devices: Surgical instruments and diagnostic equipment
- Aerospace engineering: Lightweight structural assemblies
- Electronics industry: PCB mounting and insulating systems
- Chemical industry: Corrosion-resistant equipment
- Automation systems: Precision mechanical assemblies
- Laboratory equipment: Analytical instruments
- Marine engineering: Anti-corrosion fastening systems
Its high torque capability and insulation properties make it ideal for high-precision engineering environments.
Why Choose This Product
- Excellent high-temperature resistance up to 260°C
- Superior chemical and corrosion resistance
- High torque capacity with internal hex drive
- Lightweight structure reduces system weight
- Outstanding electrical insulation performance
- Non-magnetic and non-conductive material
- Stable mechanical performance under load
- OEM customization available
- Ideal for precision engineering applications
The PEEK socket head cap screw provides a reliable fastening solution for advanced industrial systems requiring strength and stability.
Why Choose Flybear
Flybear specializes in manufacturing high-performance industrial fasteners and advanced polymer fastening components.
- Precision CNC machining and molding capabilities
- OEM/ODM customization support
- Stable production for industrial-scale supply
- Strict quality inspection and testing systems
- Global export experience
- Engineering consultation for application design
Flybear supports OEM manufacturers, distributors, and engineering companies with reliable fastening solutions.
Quality Inspection and Control
Quality assurance is strictly implemented throughout production:
- Raw material purity testing
- Dimensional accuracy inspection
- Tensile and flexural strength testing
- Thermal resistance verification
- Chemical resistance evaluation
- Thread and drive inspection
- Surface quality control
- Packaging integrity inspection
All processes follow ISO-based quality management systems to ensure consistent performance.
Selection Guide
When selecting a PEEK socket head cap screw, consider:
- Operating temperature requirements
- Chemical exposure conditions
- Required torque and load capacity
- Electrical insulation needs
- Thread size and length
- Assembly environment
Proper selection ensures long-term stability and optimal performance.
FAQ
1. What is a PEEK socket head cap screw used for?
It is used in high-strength precision assemblies requiring insulation and corrosion resistance.
2. Is PEEK stronger than normal plastic?
Yes, PEEK is a high-performance engineering thermoplastic with excellent mechanical strength.
3. Can it replace metal screws?
Yes, in applications requiring lightweight, non-conductive, and corrosion-resistant fasteners.
4. Does it conduct electricity?
No, PEEK is an excellent electrical insulator.
5. Can custom specifications be produced?
Yes, Flybear supports full customization of sizes and designs.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
Contact us for quotation, customization, and technical support via Contact Us.
