Stainless Steel Conical Knurled Spring Washers
Conical Knurled Spring Washers are essential components in a wide range of mechanical systems. These precision washers are specifically designed to provide effective preload, absorb vibration, and ensure enhanced locking and stability in bolted assemblies. Manufactured according to the NF E 25-511 standard, these washers are ideal for dynamic or high-vibration environments. At Flybear Fastener, we manufacture and supply top-grade conical knurled spring washers using high-quality stainless steel.
Product Overview
The conical knurled spring washer is a type of spring washer with serrated or knurled interiors and a conical shape that assists in maintaining tension, reducing loosening from vibration, and improving the overall security of the bolt joint. These washers act as mechanical springs, effectively supporting dynamic loads, and are widely used in industrial and commercial applications where safety and longevity are paramount.
Product Specifications
| Specification | Detail |
|---|---|
| Product Name | Conical Knurled Spring Washer |
| Standard | NF E 25-511 |
| Material | Stainless Steel (SS 304 / SS 316) |
| Finish | Plain / Passivated |
| Type | Serrated / Knurled / Conical |
| Dimensions | M3 to M20 (customizable) |
| Packaging | Carton + Pallet or Custom Packaging |
Technical Parameters
| Parameter | Value |
|---|---|
| Hardness | 200-270 HV |
| Operating Temperature | -50°C to +300°C |
| Tensile Strength | ≥ 650 MPa |
| Anti-Vibration Effect | Excellent |
| Tolerance | ±0.05 mm |
| Standards Compliance | NF E 25-511, ROHS |
Materials and Manufacturing Process
Our conical knurled spring washers are crafted from premium stainless steel grades such as AISI 304 and AISI 316. These materials are selected for their exceptional corrosion resistance, load-bearing capacity, and durability. The production process begins with wire forming or blanking, followed by cold forming, heat treating, knurling of serrated surfaces, and final passivation for corrosion protection. Every washer is subjected to stringent quality checks to ensure conformity to NF E 25-511 standards.
Common Industries and Applications
These washers are frequently used across a broad spectrum of industries due to their capacity to absorb dynamic forces and maintain assembly security:
- Automotive manufacturing
- Aerospace & defense applications
- Heavy machinery and mechanical equipment
- Renewable energy installations like wind turbines
- Electrical panel assemblies and control units
- Rail and marine hardware
Their ability to resist loosening under vibration makes them ideal for safety-critical applications where bolt failure is not an option.
Product Advantages and Competitive Edge
Material Excellence
The use of high-quality stainless steel imparts excellent corrosion resistance and longevity, even in harsh environments.
Precision Engineering
Tightly controlled tolerances and uniformly knurled surfaces ensure dependable performance and optimal fit.
Advanced Surface Treatment
With options like passivation, our washers boast superior rust and corrosion resistance, extending product life.
Strong Customization Capabilities
Whether you need a specific size, thickness, or surface treatment, Flybear Fastener offers OEM and ODM customization to meet your project requirements.
Reliable Supply Chain
With a well-stocked warehouse and efficient logistics, we provide rapid delivery of both standard and custom orders.
Professional Technical & After-Sales Service
Our experienced technical team provides comprehensive support, including consultation and performance troubleshooting.
Quality Control and Testing
To ensure the highest performance standards, each batch of conical knurled spring washers undergoes rigorous quality assurance procedures:
- Dimensional verification with digital gauges
- Hardness testing adhering to ISO standards
- Corrosion resistance testing (Salt Spray)
- Visual inspections (100% inspection for critical dimensions)
- Material certification and traceability
- Random vibration and fatigue testing
At Flybear Fastener, quality is more than a promise—it’s a process.
Choosing the Right Washer: Selection & Procurement Tips
When choosing your conical knurled spring washers, consider the following factors:
- Load capacity: Ensure washer strength matches assembly load
- Compatibility: Must conform to NF E 25-511 and match bolt size
- Environmental resistance: Choose the appropriate stainless steel grade
- Custom requirements: Dimensions, design, and plating options available
- Certification: Request full material and testing reports
For support with special requirements or bulk ordering, don’t hesitate to contact us.
Conclusion & Company Overview
Flybear Fastener is your trusted partner in delivering precision-engineered fastening solutions. We specialize in manufacturing a broad portfolio of fastener products that meet international standards. Our innovation-driven production systems, capable customization services, and strict quality control processes make us a leading name in the industry.
We always uphold the philosophy of “Quality First, Customer Supreme,” and are committed to providing our clients with top-tier fastener products and one-stop engineered solutions. Ready to learn more? View our product catalog or contact us today for tailored industry solutions and the best pricing.
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