PTFE Slotted Pan Head Screw
PTFE slotted pan head screw is a premium fluoropolymer fastening solution designed for extreme chemical environments, high-purity systems, and applications requiring outstanding corrosion resistance, electrical insulation, and ultra-low friction performance. The PTFE slotted pan head screw is manufactured from virgin polytetrafluoroethylene (PTFE), offering exceptional resistance to virtually all industrial chemicals, including strong acids, alkalis, solvents, and oxidizing agents.
The PTFE slotted pan head screw features a rounded pan head with a straight slotted drive, allowing easy installation using standard flat-head tools. It is widely used in chemical processing systems, semiconductor equipment, pharmaceutical machinery, laboratory instruments, water treatment facilities, food-grade equipment, marine engineering, and OEM industrial assemblies where metal fasteners are unsuitable due to corrosion or contamination risks.
Product Overview
The PTFE slotted pan head screw is engineered for high-performance fastening in aggressive chemical and high-purity environments. The pan head design provides a large bearing surface that helps distribute clamping force evenly, reducing stress on plastic, glass, ceramic, or coated components.
Compared with PVC, PA66, and PVDF fasteners, the PTFE slotted pan head screw delivers superior chemical resistance, wider temperature range performance, and extremely low surface energy. This ensures long-term stability even under continuous exposure to harsh chemicals or sterilization processes.
As a high-end industrial fastener, the PTFE slotted pan head screw is widely selected for critical applications in chemical plants, cleanrooms, and precision equipment manufacturing.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN 85 / ISO Equivalent / Custom |
| Product Name | PTFE Slotted Pan Head Screw |
| Material | Virgin PTFE (Polytetrafluoroethylene) |
| Thread Type | Metric Machine Thread / Custom |
| Head Type | Pan Head |
| Drive Type | Slotted Drive |
| Diameter Range | M2–M12 |
| Length Range | 4mm–100mm |
| Surface Finish | Natural White |
| Strength Grade | Engineering Plastic Fastener |
| Thread Direction | Right Hand |
| Packaging | Bag, carton, tray, OEM packaging |
| Customization | Size, length, head dimensions, thread, packaging |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | 20–35 MPa |
| Yield Strength | Material dependent |
| Hardness | Shore D 50–65 |
| Density | Approx. 2.15–2.20 g/cm³ |
| Corrosion Resistance | Excellent |
| Operating Temperature | -200°C to 260°C |
| Electrical Insulation | Excellent |
| Manufacturing Standard | DIN / ISO / OEM drawing |
Materials and Manufacturing Process
The PTFE slotted pan head screw is produced using precision compression molding combined with CNC machining to achieve stable quality and accurate dimensions.
First, virgin PTFE resin is selected for purity and chemical stability. The material is then compression molded under controlled temperature and pressure to form a stable blank.
CNC machining is used to form the pan head geometry, slotted drive, and threaded shank. For tighter tolerances, secondary machining ensures consistent thread pitch, head diameter, and overall length accuracy.
After machining, each PTFE slotted pan head screw is cleaned to remove residues and undergoes strict inspection for dimensional accuracy, thread quality, head profile, slot geometry, and surface condition before packaging.
Applications of the Product
PTFE slotted pan head screws are widely used in:
- Chemical processing equipment
- Semiconductor manufacturing systems
- Pharmaceutical production equipment
- Laboratory instruments
- Water treatment systems
- Food-grade machinery
- Marine engineering systems
- Renewable energy equipment
- Industrial machinery
- Manufacturing systems
- OEM assemblies
- High-purity fluid systems
They are especially suitable for pumps, valves, reactors, filtration systems, cleanroom devices, and corrosion-sensitive fastening points.
Why Choose This Product
- Premium virgin PTFE material
- Exceptional chemical resistance
- Ultra-wide temperature range (-200°C to 260°C)
- Excellent electrical insulation
- Ultra-low friction coefficient
- Non-stick surface properties
- No corrosion or contamination risk
- Lightweight and non-magnetic
- Large bearing surface design
- OEM and ODM customization support
- Bulk supply capability
- Fast global delivery
The PTFE slotted pan head screw provides unmatched reliability in extreme chemical, thermal, and high-purity environments.
Why Choose Flybear
Flybear specializes in manufacturing industrial fasteners and advanced engineering plastic fastening solutions.
Our advantages include:
- Advanced PTFE precision molding and CNC machining capability
- Strong production capacity and stable inventory
- OEM and ODM customization based on drawings or samples
- Professional engineering and material selection support
- Global supply capability
- Strict ISO quality management system
- Extensive export experience
- Fast delivery and responsive technical consultation
Flybear delivers reliable fastening solutions for OEM manufacturers, distributors, EPC contractors, and industrial buyers worldwide.
Quality Inspection and Control
Every batch undergoes strict quality control, including:
- Raw material verification
- Dimensional inspection
- Tensile strength testing
- Chemical resistance testing
- Thread gauge inspection
- Slotted drive inspection
- Head geometry inspection
- Surface quality inspection
- Packaging inspection
All production processes comply with ISO quality management standards to ensure consistent industrial-grade performance.
Selection Guide
When selecting PTFE slotted pan head screws, consider:
- Thread diameter and length
- Required clamping force
- Chemical exposure type and concentration
- Operating temperature range
- Load conditions
- Installation method (manual or tool-assisted)
- Compatibility with mating materials
For higher mechanical strength requirements, PVDF or PEEK fasteners may be more suitable depending on application needs.
FAQ
1. What is PTFE material?
PTFE is a fluoropolymer with excellent chemical resistance, insulation properties, and extremely low friction.
2. Why choose PTFE screws instead of metal screws?
PTFE screws eliminate corrosion, electrical conductivity, and contamination risks in harsh chemical environments.
3. Can PTFE pan head screws be used in high temperatures?
Yes. PTFE operates continuously from -200°C to 260°C, suitable for extreme conditions.
4. Can custom sizes be produced?
Yes. Flybear provides OEM/ODM manufacturing for customized dimensions, drawings, and packaging.
5. How can I request a quotation?
Provide size, quantity, application environment, drawings (if available), and packaging requirements.
The PTFE slotted pan head screw combines exceptional chemical resistance, electrical insulation, ultra-low friction, and precision manufacturing, making it an ideal fastening solution for chemical processing, semiconductor equipment, pharmaceutical systems, and other demanding 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.
