PPS Hex Head Screw
PPS hex head screw is a high-performance engineering plastic fastener designed for industrial applications requiring excellent heat resistance, chemical stability, and electrical insulation. The PPS hex head screw is manufactured from polyphenylene sulfide (PPS), a high-performance thermoplastic widely used in automotive systems, electrical equipment, and industrial machinery.
The PPS hex head screw features an external hexagonal head design, allowing easy installation with standard tools while providing reliable torque transmission and stable fastening performance. It is an ideal alternative to metal fasteners in environments where corrosion resistance, weight reduction, and electrical insulation are required.
Product Overview
The PPS hex head screw is engineered for demanding industrial environments where conventional metal fasteners may fail due to corrosion, conductivity, or thermal limitations. Its external hex head allows higher installation torque and improved mechanical stability.
This PPS hex head screw performs reliably in high-temperature and chemically aggressive environments. Unlike metal screws, it does not rust, conduct electricity, or generate galvanic corrosion, ensuring long-term stability in sensitive applications.
As a specialized industrial fastener, it is widely used in OEM manufacturing where lightweight design, durability, and cost efficiency are critical requirements.
Product Specifications
| Item | Description |
|---|---|
| Product Name | PPS Hex Head Screw |
| Material | PPS (Polyphenylene Sulfide) |
| Head Type | External Hex Head |
| Drive Type | Wrench / Socket |
| Thread Type | Metric / UNC / Custom |
| Diameter Range | M2–M12 |
| Length Range | 4mm–100mm |
| Color | Black / Natural |
| Density | ~1.35 g/cm³ |
| Operating Temperature | -40°C to 200°C |
| Electrical Properties | Good insulation |
| Chemical Resistance | Excellent resistance to fuels, oils, acids |
| Packaging | Anti-static bag / carton / OEM packaging |
| Customization | Size, drive type, color available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | ~80–110 MPa |
| Flexural Strength | High rigidity performance |
| Hardness | Shore D 85–90 |
| Continuous Service Temperature | Up to 200°C |
| Melting Point | ~280–285°C |
| Dielectric Strength | Good electrical insulation |
| Water Absorption | Very low |
| Chemical Resistance | Excellent resistance to fuels, solvents, acids |
Materials and Manufacturing Process
The PPS hex head screw is manufactured using precision polymer processing techniques to ensure stable mechanical performance and dimensional accuracy.
- Raw material selection: High-quality PPS resin (reinforced or unreinforced)
- Injection molding / CNC machining: Formation of hex head geometry
- Thread forming: Precision molded or machined threads
- Annealing treatment: Improves dimensional stability and reduces internal stress
- Surface finishing: Optional polishing for precision applications
- Inspection: Dimensional and mechanical testing
- Cleaning: Contamination-free processing for industrial environments
- Packaging: Anti-static and moisture-protected packaging
Each PPS hex head screw is produced under strict quality control to ensure consistent industrial reliability.
Applications of the Product
The PPS hex head screw is widely used across multiple industrial sectors:
- Automotive industry: Engine compartments and electronic modules
- Electrical systems: High-temperature insulating assemblies
- Electronics industry: PCB and enclosure fastening systems
- Industrial equipment: Chemical-resistant machinery assemblies
- Aerospace applications: Lightweight non-metallic structures
- Pump and valve systems: Corrosion-resistant connections
- Household appliances: Heat-resistant internal assemblies
- Precision instruments: Mechanical and structural assemblies
Its external hex design makes it suitable for higher torque applications in demanding environments.
Why Choose This Product
- Excellent heat resistance up to 200°C
- Superior chemical resistance to fuels and solvents
- High rigidity and dimensional stability
- High torque capability with external hex design
- Excellent electrical insulation performance
- Non-corrosive and non-metallic material
- Lightweight structure reduces system weight
- Suitable for OEM mass production
- Cost-effective engineering plastic solution
The PPS hex head screw provides a reliable balance of performance, durability, and manufacturing efficiency.
Why Choose Flybear
Flybear is a professional manufacturer specializing in industrial fasteners and engineering plastic components.
- Advanced precision molding and machining capability
- OEM/ODM customization support
- Stable mass production for global supply
- Strict quality inspection system
- Global export experience
- Engineering application support
Flybear supports OEM manufacturers, distributors, and industrial engineering companies with reliable fastening solutions.
Quality Inspection and Control
Quality assurance is strictly implemented throughout production:
- Raw material performance testing
- Dimensional accuracy inspection
- Tensile and flexural strength testing
- Thermal resistance verification
- Chemical resistance evaluation
- Thread and head inspection
- Surface quality control
- Packaging integrity inspection
All processes follow ISO-based quality management standards to ensure consistent performance.
Selection Guide
When selecting a PPS hex head screw, consider:
- Operating temperature requirements
- Chemical exposure conditions
- Required torque and load capacity
- Electrical insulation needs
- Thread size and length
- Installation environment
Proper selection ensures long-term stability and optimal performance.
FAQ
1. What is PPS hex head screw used for?
It is used in industrial fastening systems requiring heat resistance, insulation, and corrosion resistance.
2. Can PPS replace metal hex bolts?
Yes, in applications requiring non-conductive and lightweight fasteners.
3. What is the temperature resistance of PPS?
Typically up to 200°C for continuous use.
4. Is PPS resistant to chemicals?
Yes, PPS has excellent resistance to fuels, oils, and acids.
5. Can custom sizes be produced?
Yes, Flybear supports full customization.
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.
