PP Phillips Countersunk Screw
PP Phillips countersunk screw is a lightweight engineering plastic fastener designed for applications requiring corrosion resistance, moisture resistance, electrical insulation, and flush surface installation. The PP Phillips countersunk screw is manufactured from polypropylene (PP), a thermoplastic material known for its low density, good chemical resistance, and excellent performance in humid and aqueous environments.
The PP Phillips countersunk screw features a flat countersunk head with a Phillips cross recess, allowing the screw head to sit flush with the mounting surface after installation. It is widely used in electrical housings, water treatment systems, household appliances, packaging equipment, agricultural machinery, laboratory fixtures, and OEM industrial assemblies.
Product Overview
The PP Phillips countersunk screw is engineered for lightweight and cost-effective fastening in non-critical structural applications. Its countersunk head design provides a smooth surface finish after installation, reducing protrusion and improving safety and aesthetics in plastic or coated assemblies.
Compared with metal fasteners, the PP Phillips countersunk screw offers excellent corrosion resistance in water and chemical environments, does not rust, and provides electrical insulation. It is especially suitable for plastic enclosures, humid environments, and general industrial applications where high mechanical strength is not required.
As a practical industrial fastener, the PP Phillips countersunk screw is widely used in OEM production where cost efficiency and corrosion resistance are key requirements.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN 965 / ISO Equivalent / Custom |
| Product Name | PP Phillips Countersunk Screw |
| Material | PP (Polypropylene) |
| Thread Type | Metric Machine Thread / Self-Tapping / Custom |
| Head Type | Countersunk Head (Flat Head) |
| Drive Type | Phillips Cross Recess |
| Diameter Range | M2–M12 |
| Length Range | 4mm–100mm |
| Surface Finish | Natural / White / Black / Custom Colors |
| Strength Grade | Engineering Plastic Fastener |
| Thread Direction | Right Hand |
| Packaging | Bag, carton, tray, OEM packaging |
| Customization | Size, length, color, head type, packaging |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | 25–35 MPa |
| Yield Strength | Material dependent |
| Hardness | Shore D 60–75 |
| Density | Approx. 0.90 g/cm³ |
| Corrosion Resistance | Good (especially water and mild chemicals) |
| Operating Temperature | -10°C to 90°C |
| Electrical Insulation | Excellent |
| Manufacturing Standard | DIN / ISO / OEM drawing |
Materials and Manufacturing Process
The PP Phillips countersunk screw is produced using precision injection molding technology to ensure consistent quality and dimensional accuracy.
Production begins with high-quality polypropylene resin, selected for its chemical resistance and lightweight properties. The material is dried and processed under controlled conditions to ensure stable molding performance.
Injection molding forms the countersunk head, Phillips drive, threaded shank, and screw body in a single process. Controlled cooling ensures dimensional stability and reduces deformation.
After molding, each PP Phillips countersunk screw undergoes trimming, surface finishing, cleaning, and inspection. Final checks include thread accuracy, head angle, drive depth, surface quality, and packaging verification.
Applications of the Product
PP Phillips countersunk screws are widely used in:
- Electrical equipment housings
- Water treatment systems
- Household appliances
- Packaging machinery
- Agricultural equipment
- Plastic enclosures
- Laboratory instruments
- Light industrial machinery
- Automotive interior components
- Chemical-resistant assemblies
- OEM manufacturing systems
- General industrial fastening
They are particularly suitable for flush surface requirements in plastic or lightweight assemblies.
Why Choose This Product
- Lightweight polypropylene material
- Excellent corrosion and moisture resistance
- Good chemical resistance (acids and alkalis)
- Electrical insulation performance
- Flush countersunk installation
- Cost-effective mass production
- Non-metallic and rust-free
- Stable performance in humid environments
- OEM/ODM customization support
- Bulk supply capability
- Fast global delivery
The PP Phillips countersunk screw is an ideal solution for economical and corrosion-resistant fastening in light-duty industrial applications.
Why Choose Flybear
Flybear specializes in manufacturing industrial fasteners and engineering plastic fastening solutions.
Our advantages include:
- Advanced injection molding technology
- Strong production capacity and inventory
- OEM/ODM manufacturing based on drawings or samples
- Professional engineering support
- Global supply capability
- Strict ISO quality management system
- Extensive export experience
- Fast delivery and responsive service
Flybear supplies reliable fastening solutions for OEM manufacturers, distributors, EPC contractors, and industrial buyers worldwide.
Quality Inspection and Control
Every batch undergoes strict inspection, including:
- Raw material verification
- Dimensional inspection
- Thread gauge inspection
- Drive inspection (Phillips)
- Countersunk angle inspection
- Surface quality inspection
- Hardness testing
- Packaging inspection
All production follows ISO quality management standards to ensure consistent product performance.
Selection Guide
When selecting PP Phillips countersunk screws, consider:
- Thread size and length
- Load requirements
- Moisture or chemical exposure
- Operating temperature
- Indoor or outdoor use
- Assembly material compatibility
- Required surface flushness
For higher strength or temperature resistance, PA66, PVDF, or PTFE materials may be more suitable.
FAQ
1. What is PP material?
PP (Polypropylene) is a lightweight plastic with good chemical resistance and moisture resistance.
2. Can PP countersunk screws be used outdoors?
Yes, but long-term UV exposure and high temperatures should be considered.
3. Are PP screws strong enough for industrial use?
They are suitable for light-duty and non-structural fastening applications.
4. Can custom sizes be produced?
Yes. Flybear supports OEM/ODM customization for size, color, and packaging.
5. How to request a quotation?
Provide size, quantity, application, drawings (if available), and packaging requirements.
The PP Phillips countersunk screw provides lightweight construction, corrosion resistance, and cost efficiency, making it an ideal fastening solution for water systems, electrical housings, and general industrial applications.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
For quotations, customization, and technical support, please Contact Us.
