PEEK Socket Head Cap Screw
Product Overview
PEEK Socket Head Cap Screw is a high-performance engineering plastic fastener designed for high-temperature, chemically aggressive, and demanding industrial applications. Made from polyether ether ketone (PEEK), this screw delivers exceptional thermal stability, mechanical strength, and chemical resistance, making it ideal for industries where conventional materials fail to meet the necessary performance standards.

The socket head design allows for precise and secure installation with standard hex key tools. PEEK Socket Head Cap Screw is widely used in aerospace, medical devices, semiconductor equipment, chemical processing, and electrical systems that require a high degree of reliability and performance in harsh environments.
Product Specification Table
| Feature | Description |
|---|---|
| Product Name | PEEK Socket Head Cap Screw |
| Material | PEEK (Polyether Ether Ketone) |
| Head Type | Socket Head / Cylindrical Head |
| Drive Type | Hex Socket / Allen Drive |
| Thread Type | Machine Thread / Custom Thread |
| Color | Natural Brown / Beige |
| Sizes Available | M3 to M12 or customized |
| Length Range | 6mm – 100mm or customized |
| Service | OEM / ODM Custom Manufacturing |
Technical Specifications
| Parameter | Specification |
|---|---|
| Base Material | Polyether Ether Ketone (PEEK) |
| Main Advantages | High temperature resistance, chemical resistance, wear resistance, electrical insulation, high strength |
| Working Temperature | Suitable for high temperature environments (up to 250°C) |
| Corrosion Resistance | Excellent resistance to chemicals, acids, and solvents |
| Processing Method | Injection Molding / CNC Machining |
| Customization | Support for custom dimensions and special structures |
Materials and Manufacturing Process
Our PEEK Socket Head Cap Screw is made from high-quality PEEK material, which is known for its exceptional mechanical properties, chemical resistance, and high-temperature stability. Compared to conventional plastic screws, PEEK fasteners are designed for use in harsh conditions where traditional materials such as metal or standard polymers would degrade.
Manufacturing Process:
- Raw Material Inspection
- PEEK Material Preparation and Blending
- Precision CNC Machining or Injection Molding
- Thread Forming and Head Formation
- Dimensional and Structural Inspection
- Mechanical Property Testing
- Packaging and Shipping
Every production batch is subject to stringent quality control procedures to ensure the final product meets customer requirements for durability, reliability, and performance.
Application Fields
PEEK Socket Head Cap Screw is ideal for applications where high temperature, chemical resistance, and strength are paramount. Common uses include:
- Semiconductor Manufacturing Equipment
- Aerospace Components
- Medical Device Assembly
- Chemical Processing Systems
- Electrical and Electronics Systems
- Industrial Machinery and High-Temperature Applications
It is especially suitable for applications where metal corrosion, electrical conductivity, or excessive weight are problematic.
Advantages of PEEK Socket Head Cap Screw
Featuring High-Performance PEEK Material for Critical Applications
- Exceptional high temperature resistance: Withstands temperatures up to 250°C for prolonged periods.
- Excellent chemical resistance: Performs well against a wide range of chemicals, oils, and solvents.
- High strength and rigidity: Ensures secure fastening in critical mechanical applications.
- Electrical insulation: Ideal for use in electrical assemblies where conductivity needs to be avoided.
- Wear resistance: Suitable for friction-related applications where durability is crucial.
- Corrosion-resistant: Will not corrode like metal fasteners in harsh environments.
- Lightweight: Helps reduce the overall weight of the assembly.
- Socket head design: Easy to install and remove using standard hex key tools.
Testing & Quality Control
We follow strict testing and quality assurance protocols for each PEEK Socket Head Cap Screw to ensure:
- Raw material inspection
- Dimension and thread inspection
- Head and recess structure accuracy
- Appearance and surface quality checks
- Mechanical property testing
- Final batch inspection before shipment
This ensures that every screw meets customer requirements for consistent quality and reliable performance in demanding applications.
Summary & Company Promotion
Flybear Fastener offers high-quality PEEK fasteners, including customized PEEK Socket Head Cap Screws, designed for demanding industrial applications. These fasteners provide exceptional high-temperature resistance, chemical stability, and mechanical strength, making them ideal for industries that require reliable, high-performance fastening solutions.
Contact us for technical support, customized sizes, and competitive quotations for PEEK socket head cap screws and other advanced fasteners.








