Stainless Steel PTFE Coated Flat Washer
Stainless steel PTFE coated flat washer is a high-performance fastening accessory designed for corrosion resistance, low friction, and reliable load distribution in demanding industrial applications. The stainless steel PTFE coated flat washer is manufactured from stainless steel with a durable polytetrafluoroethylene (PTFE) coating, providing excellent chemical resistance, non-stick properties, and improved surface protection.
The stainless steel PTFE coated flat washer is widely used in chemical equipment, semiconductor systems, marine applications, food processing machinery, and precision industrial assemblies where standard metal washers may experience corrosion, friction, or surface damage.
Product Overview
The stainless steel PTFE coated flat washer is engineered to improve fastening performance in harsh operating environments. Its stainless steel base provides mechanical strength and structural stability, while the PTFE coating creates a low-friction and chemically resistant surface.
Compared with standard stainless steel washers, the stainless steel PTFE coated flat washer offers enhanced protection against corrosion, reduced friction during assembly, and improved resistance to aggressive chemicals. The coating also helps prevent galling between metal contact surfaces.
As a specialized industrial fastener accessory, it is commonly used by OEM manufacturers, equipment builders, and engineering companies requiring durable and reliable fastening solutions.
Product Specifications
| Item | Description |
|---|---|
| Product Name | Stainless Steel PTFE Coated Flat Washer |
| Material | Stainless Steel + PTFE Coating |
| Washer Type | Flat Washer |
| Shape | Round Ring Washer |
| Inner Diameter | Customized According to Requirement |
| Outer Diameter | Customized According to Requirement |
| Thickness | Customized According to Requirement |
| Base Material Options | 304 / 316 Stainless Steel |
| Coating Material | PTFE (Teflon) |
| Color | White / Blue / Black / Custom |
| Surface Finish | PTFE Coated Surface |
| Packaging | Bulk / Carton / OEM Packaging |
| Customization | Size, coating thickness, material available |
Technical Parameters
| Parameter | Value |
|---|---|
| Base Material | Stainless Steel |
| Coating Material | PTFE |
| Operating Temperature | Approx. -200°C to +260°C depending on application |
| Friction Coefficient | Very Low |
| Chemical Resistance | Excellent resistance to many chemicals |
| Corrosion Resistance | Excellent |
| Electrical Properties | Good insulation characteristics |
| Surface Hardness | Depends on coating specification |
Materials and Manufacturing Process
The stainless steel PTFE coated flat washer is manufactured through precision metal processing and surface coating technology to ensure consistent quality and performance.
- Raw material selection: High-quality stainless steel sheet or strip
- Cutting and forming: Precision stamping into washer geometry
- Deburring: Removal of sharp edges for safe assembly
- Surface preparation: Cleaning and treatment to improve coating adhesion
- PTFE coating: Application of fluoropolymer coating layer
- Curing process: Controlled heating to achieve coating stability
- Inspection: Dimension, coating thickness, and surface quality testing
- Packaging: Protective packaging for transportation
Each stainless steel PTFE coated flat washer is produced under strict quality control to ensure reliable performance in demanding environments.
Applications of the Product
The stainless steel PTFE coated flat washer is widely used across various industries:
- Chemical industry: Corrosion-resistant equipment assemblies
- Semiconductor equipment: Clean and precision fastening systems
- Marine equipment: Saltwater-resistant mechanical connections
- Food processing machinery: Low-friction and hygienic applications
- Pharmaceutical equipment: Chemical-resistant fastening systems
- Aerospace equipment: Lightweight and reliable assemblies
- Pump and valve systems: Sealing and protection applications
- Industrial machinery: High-performance fastening solutions
Its combination of stainless steel strength and PTFE protection makes it suitable for specialized environments.
Why Choose This Product
- Excellent corrosion resistance
- PTFE coating provides low friction performance
- Reduces metal-to-metal contact damage
- Good chemical resistance
- Suitable for extreme environments
- Prevents galling during assembly
- Available with 304 or 316 stainless steel base
- Custom coating specifications available
- Long service life in demanding applications
The stainless steel PTFE coated flat washer provides a reliable solution for applications requiring both mechanical strength and surface protection.
Why Choose Flybear
Flybear is a professional manufacturer specializing in industrial fasteners and customized fastening solutions.
- Advanced metal processing and coating capability
- OEM/ODM customization support
- Stable production capacity for bulk orders
- Strict quality inspection procedures
- Global export experience
- Engineering support for customized applications
Flybear provides reliable fastening products for distributors, OEM manufacturers, and industrial customers worldwide.
Quality Inspection and Control
Quality assurance is maintained throughout the manufacturing process:
- Stainless steel material composition analysis
- Raw material certificate verification
- Dimensional accuracy inspection
- Coating thickness measurement
- Adhesion performance testing
- Surface appearance inspection
- Corrosion resistance evaluation
- Packaging quality inspection
All production processes follow ISO-based quality management systems to ensure consistent product reliability.
Selection Guide
When selecting a stainless steel PTFE coated flat washer, consider:
- Base material requirements (304 or 316 stainless steel)
- Bolt and screw size compatibility
- Chemical exposure conditions
- Operating temperature range
- Friction reduction requirements
- Coating thickness requirements
Proper selection ensures optimal fastening performance and long-term reliability.
FAQ
1. What is a stainless steel PTFE coated flat washer used for?
It is used for load distribution, corrosion protection, and reducing friction in fastening systems.
2. Why add PTFE coating to stainless steel washers?
PTFE improves chemical resistance, reduces friction, and helps prevent surface damage.
3. What stainless steel grades are available?
Common options include 304 and 316 stainless steel.
4. Can PTFE coating color and thickness be customized?
Yes, coating specifications can be customized according to application requirements.
5. Can custom sizes be produced?
Yes, Flybear supports customized washer dimensions and coating solutions.
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.
