PVDF Slotted Cheese Head Screw
PVDF Slotted Cheese Head Screw is a high-performance plastic fastener designed for corrosive, clean, and electrically sensitive environments. Made from polyvinylidene fluoride, this screw provides excellent chemical resistance, low moisture absorption, and reliable dimensional stability. It is suitable for equipment where metal screws may corrode, contaminate, or conduct electricity.
Product Overview
The PVDF Slotted Cheese Head Screw features a cylindrical head, straight slot drive, and precision-machined thread. It is widely used in chemical processing, semiconductor equipment, laboratory instruments, water treatment systems, and electronic assemblies.
As a non-metallic screw, it offers strong resistance to acids, alkalis, solvents, and salt environments. Therefore, it is a practical choice for engineers who need corrosion-resistant plastic screws, chemical resistant screws, PVDF fasteners, non-metallic screws, and insulating fasteners.
Product Specifications
| Item | Specification |
|---|---|
| Standard | DIN / ISO / Custom |
| Product Name | PVDF Slotted Cheese Head Screw |
| Material | PVDF |
| Thread Type | Metric Full Thread |
| Head Type | Cheese Head / Cylindrical Head |
| Drive Type | Slotted Drive |
| Diameter Range | M2–M12 or Custom |
| Length Range | 4 mm–100 mm or Custom |
| Surface Finish | Natural PVDF |
| Strength Grade | Plastic Fastener Grade |
| Thread Direction | Right Hand Thread |
| Packaging | Bulk Pack, Bag, Box, Carton |
| Customization | Size, Length, Head Dimension, Packaging |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | Approx. 35–55 MPa |
| Yield Strength | Depends on size and design |
| Hardness | Shore D 75–80 |
| Density | Approx. 1.78 g/cm³ |
| Corrosion Resistance | Excellent in chemical environments |
| Operating Temperature | Approx. -40°C to 150°C |
| Thread Tolerance | Standard metric tolerance or custom |
| Manufacturing Standard | DIN, ISO, or customer drawing |
Materials and Manufacturing Process
PVDF material is selected for its chemical stability, mechanical strength, and high purity. First, qualified raw material is inspected for appearance, density, and performance consistency. Then, the screw blank is formed through precision molding or machining, depending on size and order requirements.
For small and medium sizes, CNC machining helps control head diameter, slot depth, thread accuracy, and length tolerance. Thread rolling or precision cutting may be used according to the product structure. After machining, each PVDF Slotted Cheese Head Screw is deburred, cleaned, and checked for surface defects.
The final process includes dimensional inspection, thread gauge checking, visual inspection, and packaging control. This ensures stable quality for industrial fasteners used in demanding applications.
Applications of the Product
PVDF screws are suitable for many industries that require corrosion resistance and electrical insulation. In chemical processing equipment, they help reduce corrosion risk from acids and solvents. In semiconductor and cleanroom systems, PVDF fasteners support low-contamination assembly.
They are also used in water treatment equipment, laboratory devices, battery systems, marine components, food-related equipment, electronic housings, and manufacturing systems. Because the screw does not rust, it performs well in humid, outdoor, and high-corrosion environments.
Why Choose This Product
This PVDF Slotted Cheese Head Screw offers several engineering advantages. It has strong chemical resistance, good dimensional stability, and reliable insulation performance. Moreover, it avoids galvanic corrosion when used with sensitive materials.
The slotted cheese head design allows simple installation with standard tools. The full thread structure improves fastening engagement in plastic, composite, and light-duty metal assemblies. In addition, custom sizes can be produced for OEM fasteners and special equipment projects.
Why Choose Flybear
Flybear supplies plastic fasteners and industrial fastening components for global buyers, distributors, OEM manufacturers, and engineering users. We support standard supply, custom production, technical consultation, and packaging customization.
Our team focuses on stable production, material selection, dimensional control, and export-ready delivery. Therefore, customers can source PVDF screws, plastic screws, metric screws, stainless steel fasteners, and other industrial fasteners through one reliable supplier.
Quality Inspection and Control
Quality control is important for every PVDF Slotted Cheese Head Screw. Inspection can include raw material verification, chemical composition review, tensile testing, hardness testing, dimensional inspection, thread gauge inspection, slot inspection, surface inspection, and packaging inspection.
For special applications, salt spray reference testing or chemical compatibility evaluation can also be arranged. Production follows ISO quality system compliance to help ensure traceability, consistency, and stable batch quality.
Selection Guide
When selecting a PVDF screw, engineers should confirm the material type, diameter, length, thread pitch, head size, and installation space. Load requirements also matter because plastic screws have lower strength than metal screws.
The working environment should also be reviewed. For indoor use, standard PVDF is often enough. For outdoor, marine, chemical, or high-temperature conditions, the corrosion level, temperature range, and contact media should be checked before final selection.
FAQ
What is a PVDF Slotted Cheese Head Screw?
It is a plastic screw made from PVDF material with a cylindrical cheese head and straight slot drive.
Is PVDF suitable for chemical environments?
Yes. PVDF offers excellent resistance to many acids, alkalis, solvents, and salt environments.
What is the difference between PVDF and nylon screws?
PVDF usually provides better chemical resistance and higher temperature performance than nylon.
Can custom sizes be produced?
Yes. Custom diameter, length, head size, slot depth, thread type, and packaging can be produced.
How to request a quotation?
Please provide drawings, size, quantity, material requirement, and application details for accurate pricing.
For quotation, customization, and technical support, please Contact Us.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
