PC Hex Nut
PC hex nut is a lightweight engineering plastic fastening component made from polycarbonate (PC), designed for applications requiring high impact resistance, electrical insulation, corrosion-free performance, and dimensional stability. The PC hex nut provides secure fastening with standard metric bolts while maintaining excellent performance in non-metallic and chemically sensitive environments.
The PC hex nut is widely used in electronics, optical equipment, automotive interior systems, transparent assemblies, and industrial plastic structures where metal corrosion, weight reduction, or electrical conductivity must be avoided.

Product Overview
The PC hex nut is engineered for precision fastening in lightweight and corrosion-resistant assemblies. Its standard hexagonal geometry ensures compatibility with common installation tools, allowing easy tightening and maintenance.
This PC hex nut is commonly used in applications requiring insulation, chemical resistance, and impact durability. Polycarbonate material offers significantly higher strength and toughness compared to PP, PVC, and standard nylon materials, making it suitable for more demanding industrial environments.
As a reliable industrial plastic fastener, it is widely applied in OEM manufacturing and modern engineering systems.
Product Specifications
| Item | Description |
|---|---|
| Product Name | PC Hex Nut |
| Material | Polycarbonate (PC) |
| Nut Type | Hex Nut |
| Thread Type | Metric Internal Thread |
| Size Range | M3–M20 |
| Color | Transparent / Black / Custom |
| Density | ~1.20 g/cm³ |
| Electrical Conductivity | Non-conductive |
| Chemical Resistance | Good (mild acids, oils) |
| Packaging | Bag / carton / OEM packaging |
| Customization | Size, color, thread type available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | 55–70 MPa |
| Impact Resistance | Excellent (high toughness) |
| Heat Resistance | Up to 120°C |
| Chemical Resistance | Good (mild acids, alkalis, oils) |
| Electrical Insulation | Excellent |
| Water Absorption | Low |
| Dimensional Stability | Good |
| Manufacturing Standard | Industrial OEM specification |
Materials and Manufacturing Process
The PC hex nut is manufactured using precision injection molding technology to ensure consistent quality and dimensional accuracy.
- Raw material selection: High-grade polycarbonate resin
- Drying process: Moisture control before molding
- Injection molding: Formation of hex nut structure
- Thread forming: Molded or post-processed internal threads
- Cooling and stabilization: Reduces internal stress
- Trimming: Removal of flash and excess material
- Inspection: Dimensional and thread quality testing
- Packaging: Clean and protective packaging
Each PC hex nut is produced under strict quality control to ensure stable industrial performance.
Applications of the Product
PC hex nuts are widely used in:
- Electronics: Device housings and internal assemblies
- Automotive: Interior trim and lightweight structures
- Optical equipment: Precision transparent assemblies
- Industrial machinery: Non-metallic fastening systems
- Medical devices: Clean and corrosion-free components
- Consumer electronics: Lightweight enclosure systems
- Smart devices: Precision assembly applications
Their non-conductive and corrosion-free nature makes them ideal for sensitive environments.
Why Choose This Product
- High impact resistance polycarbonate material
- Non-conductive and electrically safe
- Lightweight structure reduces overall system weight
- Standard hex design for easy installation
- Good chemical resistance for industrial use
- Better performance than PP and PVC materials
- Heat resistance up to 120°C
- OEM customization support
- Stable performance in industrial environments
The PC hex nut provides a reliable fastening solution for modern lightweight engineering systems.
Why Choose Flybear
Flybear is a professional manufacturer specializing in industrial fasteners and engineering plastic components for global OEM markets.
- Advanced injection molding capability
- Stable mass production for industrial supply chains
- Custom engineering support for plastic fasteners
- Strict quality inspection and control systems
- Global export experience in fastener manufacturing
- Technical consultation for material selection
Flybear delivers reliable fastening solutions for electronics, automotive, and industrial plastic applications worldwide.
Quality Inspection and Control
Strict quality control ensures stable product performance:
- Raw material resin testing
- Dimensional accuracy inspection
- Thread gauge testing
- Mechanical strength testing
- Chemical resistance validation
- Heat resistance testing
- Surface quality inspection
- Packaging verification
All processes follow ISO-based quality management standards.
Selection Guide
When selecting PC hex nuts, consider:
- Load and torque requirements
- Temperature environment
- Chemical exposure conditions
- Electrical insulation needs
- Size and thread compatibility
- Assembly frequency
Proper selection ensures long-term reliability and safe operation.
FAQ
1. What is a PC hex nut used for?
It is used for corrosion-resistant and insulating fastening in plastic and electronic assemblies.
2. Is PC stronger than PVC or PP?
Yes, PC has higher impact resistance and mechanical strength.
3. Can it be used in electronics?
Yes, it is non-conductive and widely used in electronic systems.
4. Can it be used outdoors?
Yes, but UV exposure should be considered depending on grade.
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.




