PVC Slotted Countersunk Screw
PVC slotted countersunk screw is a lightweight non-metallic fastening solution designed for applications requiring electrical insulation, corrosion resistance, moisture resistance, and flush surface installation. The PVC slotted countersunk screw is manufactured from high-quality polyvinyl chloride (PVC), providing excellent resistance to moisture, many acids, alkalis, and common industrial chemicals while maintaining stable dimensional performance and lightweight construction.
The PVC slotted countersunk screw features a flat countersunk head with a straight slotted drive, allowing the screw head to sit flush with the mounting surface after installation. It is widely used in electrical equipment, plastic piping systems, water treatment facilities, laboratory instruments, chemical processing equipment, telecommunications, construction projects, industrial machinery, and OEM manufacturing where metal fasteners are unsuitable due to corrosion or electrical conductivity.

Product Overview
The PVC slotted countersunk screw is engineered for light-duty fastening applications that require a smooth finished surface together with reliable insulation and corrosion resistance. The countersunk head fits into pre-machined countersunk holes, producing a clean appearance while minimizing protrusions that may interfere with surrounding components.
Compared with conventional steel screws, the PVC slotted countersunk screw will not rust, provides excellent electrical insulation, and performs well in humid and mildly corrosive environments. It is especially suitable for plastic assemblies, electrical enclosures, instrument panels, water treatment equipment, and lightweight industrial structures.
As a dependable industrial fastener, the PVC slotted countersunk screw provides an economical fastening solution for OEM manufacturers and industrial applications.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN 963 / ISO 2009 / Custom |
| Product Name | PVC Slotted Countersunk Screw |
| Material | PVC (Polyvinyl Chloride) |
| Thread Type | Metric Machine Thread / Custom |
| Head Type | Countersunk Head (Flat Head) |
| Drive Type | Slotted Drive |
| Diameter Range | M2–M12 |
| Length Range | 4mm–100mm |
| Surface Finish | Natural White / Gray / Black / Custom Colors |
| Strength Grade | Engineering Plastic Fastener |
| Thread Direction | Right Hand |
| Packaging | Poly Bag, Carton, Tray, OEM Packaging |
| Customization | Thread size, length, color, head dimensions, packaging |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | 40–60 MPa |
| Yield Strength | Material Grade Dependent |
| Hardness | Shore D 75–85 |
| Density | Approximately 1.35–1.45 g/cm³ |
| Corrosion Resistance | Excellent |
| Operating Temperature | -15°C to 60°C |
| Electrical Insulation | Excellent |
| Manufacturing Standard | DIN 963 / ISO 2009 / Customer Specifications |
Materials and Manufacturing Process
The PVC slotted countersunk screw is manufactured using precision injection molding technology to ensure consistent dimensions and reliable fastening performance.
Production begins with premium virgin PVC resin that is carefully selected and inspected for quality. The material is dried and conditioned before molding to achieve stable dimensional accuracy and surface quality.
Precision injection molding forms the countersunk head, slotted drive, threaded shank, and screw body in a single process. Controlled cooling minimizes deformation and maintains thread precision. Flash removal, surface finishing, and cleaning are then carried out to improve product appearance.
Each PVC slotted countersunk screw undergoes dimensional inspection, thread verification, slot inspection, surface quality inspection, and packaging inspection before shipment.
Applications of the Product
PVC slotted countersunk screws are widely used in:
- Construction projects
- Electrical equipment
- Water treatment systems
- Chemical processing equipment
- Renewable energy installations
- Agricultural machinery
- Plastic piping systems
- Laboratory instruments
- Industrial equipment
- Manufacturing systems
- Plastic enclosures
- OEM engineering projects
The flush countersunk head makes the screw particularly suitable for applications requiring smooth surfaces and compact assembly.
Why Choose This Product
- Premium PVC material
- Excellent corrosion resistance
- Outstanding electrical insulation
- Flush countersunk installation
- Lightweight construction
- Good resistance to moisture and common industrial chemicals
- Cost-effective fastening solution
- Long service life
- Bulk supply capability
- OEM and ODM customization support
- Fast global delivery
The PVC slotted countersunk screw provides dependable fastening performance for electrical, plumbing, chemical, and general industrial applications.
Why Choose Flybear
Flybear specializes in manufacturing industrial fasteners and engineering plastic fastening solutions for global customers.
Our advantages include:
- Advanced precision injection molding technology
- Strong manufacturing capacity and inventory
- OEM and ODM production according to drawings or samples
- Professional engineering consultation
- Global supply capability
- Strict ISO quality management system
- Extensive export experience
- Fast delivery and responsive technical support
Flybear supplies reliable fastening products for OEM manufacturers, distributors, EPC contractors, and industrial buyers worldwide.
Quality Inspection and Control
Every production batch undergoes comprehensive inspection, including:
- Raw material verification
- Tensile strength testing
- Hardness testing
- Thread gauge inspection
- Dimensional inspection
- Slotted drive inspection
- Surface appearance inspection
- Electrical insulation testing
- Packaging inspection
All manufacturing processes comply with ISO quality management standards to ensure stable product quality and reliable industrial performance.
Selection Guide
When selecting a PVC slotted countersunk screw, consider:
- Thread diameter and length
- Countersunk hole dimensions
- Required clamping force
- Operating temperature
- Chemical exposure
- Indoor or outdoor environment
- Electrical insulation requirements
- Matching nuts or threaded inserts
For applications involving higher temperatures or aggressive chemicals, engineering plastics such as PVDF, PTFE, or PA66 may provide better long-term performance.
FAQ
1. What is a PVC slotted countersunk screw?
It is a non-metallic screw with a flat countersunk head and slotted drive, designed for flush installation and corrosion-resistant fastening.
2. Why choose PVC instead of metal screws?
PVC screws are lightweight, corrosion resistant, electrically insulating, and ideal for humid or chemically exposed environments where high mechanical strength is not required.
3. Can PVC countersunk screws be used outdoors?
Yes. They perform well in many outdoor applications, although prolonged UV exposure and elevated temperatures should be considered during material selection.
4. Can custom sizes and colors be manufactured?
Yes. Flybear provides OEM and ODM manufacturing for customized thread sizes, lengths, colors, head dimensions, and packaging.
5. How can I request a quotation?
Please provide the screw size, quantity, application environment, drawings (if available), and packaging requirements for a detailed quotation.
The PVC slotted countersunk screw combines corrosion resistance, electrical insulation, lightweight construction, and precision manufacturing, making it an ideal fastening solution for electrical equipment, water treatment systems, plastic assemblies, and OEM 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.




