DIN25201 316 Stainless Steel Double Fold Lock Washer
DIN25201 316 stainless steel double fold lock washer is a corrosion-resistant locking component designed for secure bolted connections exposed to vibration, dynamic loads, and harsh environments. The DIN25201 316 stainless steel double fold lock washer combines wedge locking technology with premium 316 stainless steel material to provide reliable fastening performance and excellent corrosion protection.
The DIN25201 316 stainless steel double fold lock washer is manufactured with a precision double washer structure that prevents bolt loosening by increasing joint tension when external forces act on the connection. It is widely used in marine equipment, chemical systems, offshore structures, food processing machinery, and industrial applications requiring both anti-loosening performance and corrosion resistance.
Product Overview
The DIN25201 316 stainless steel double fold lock washer is designed for applications where fastening reliability and environmental resistance are equally important. Unlike traditional spring washers, this wedge locking washer relies on mechanical locking principles rather than friction alone.
The double washer assembly contains specially formed cam surfaces and radial teeth. When vibration or shock causes movement in the joint, the wedge effect increases the bolt preload and helps maintain connection stability.
Made from 316 stainless steel, the DIN25201 316 stainless steel double fold lock washer provides enhanced resistance to chloride corrosion, moisture, and chemical exposure compared with standard carbon steel locking components.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN25201 |
| Product Name | 316 Stainless Steel Double Fold Lock Washer |
| Material | 316 Stainless Steel |
| Washer Type | Double Fold Wedge Lock Washer |
| Structure | Two-Piece Self Locking Washer Set |
| Surface Finish | Natural Stainless Steel |
| Size Range | M3–M42 |
| Inner Diameter | According to DIN25201 Standard |
| Outer Diameter | According to DIN25201 Standard |
| Locking Method | Wedge Locking System |
| Installation Type | Bolt and Nut Assembly |
| Packaging | Paired Set Packaging |
| Customization | Size, finish, packaging available |
Technical Parameters
| Parameter | Value |
|---|---|
| Material Grade | 316 Stainless Steel |
| Tensile Strength | Approx. 515 MPa |
| Yield Strength | Approx. 205 MPa |
| Hardness | According to material condition |
| Density | Approx. 7.98 g/cm³ |
| Corrosion Resistance | Excellent |
| Chloride Resistance | Superior |
| Fatigue Resistance | Good |
| Manufacturing Standard | DIN25201 |
Materials and Manufacturing Process
The DIN25201 316 stainless steel double fold lock washer is manufactured through precision forming and stainless steel processing technology to ensure reliable locking performance.
- Raw material selection: Certified 316 stainless steel strip
- Precision stamping: Formation of cam and radial tooth structures
- Pair matching: Ensures correct washer combination and installation direction
- Heat treatment: Applied when required to improve mechanical properties
- Surface treatment: Cleaning and passivation for corrosion resistance
- Inspection: Dimensional accuracy, hardness, and locking function testing
- Packaging: Matched pair packaging to maintain product integrity
Each DIN25201 316 stainless steel double fold lock washer undergoes strict quality control to ensure stable performance in critical applications.
Applications of the Product
The DIN25201 316 stainless steel double fold lock washer is widely used in industries requiring secure fastening and corrosion resistance:
- Marine industry: Ship equipment and seawater environments
- Offshore engineering: Coastal and offshore structures
- Chemical industry: Corrosive equipment assemblies
- Food processing equipment: Hygienic stainless steel machinery
- Pharmaceutical systems: Clean production equipment
- Renewable energy: Outdoor equipment fastening
- Pump and valve systems: Fluid handling equipment
- Industrial machinery: High-reliability bolted joints
Its stainless steel construction makes it suitable for environments where corrosion protection is essential.
Why Choose This Product
- DIN25201 wedge locking design
- Premium 316 stainless steel material
- Excellent resistance to chloride corrosion
- Reliable performance under vibration and shock
- Maintains bolt preload effectively
- Suitable for marine and chemical environments
- No additional locking elements required
- Long service life in harsh conditions
- OEM customization support
The DIN25201 316 stainless steel double fold lock washer provides a dependable fastening solution for demanding industrial applications.
Why Choose Flybear
Flybear is a professional manufacturer specializing in industrial fasteners and customized fastening solutions.
- Advanced stainless steel forming capability
- Experience with precision locking components
- OEM/ODM customization support
- Stable production capacity for industrial supply
- Strict quality inspection procedures
- Global export experience
- Engineering support for application requirements
Flybear provides reliable fastening products for marine, chemical, energy, and industrial customers worldwide.
Quality Inspection and Control
Quality assurance is maintained throughout the manufacturing process:
- Stainless steel chemical composition analysis
- Raw material certificate verification
- Washer dimension inspection
- Tooth and cam profile inspection
- Surface quality inspection
- Corrosion resistance evaluation
- Locking performance verification
- Packaging inspection
All production processes follow ISO-based quality management systems to ensure consistent product reliability.
Selection Guide
When selecting a DIN25201 316 stainless steel double fold lock washer, consider:
- Bolt diameter and grade
- Operating environment corrosion level
- Vibration and dynamic load conditions
- Required locking reliability
- Temperature conditions
- Compatibility with connected materials
Correct selection helps maintain joint integrity and reduce maintenance frequency.
FAQ
1. What is DIN25201 316 stainless steel double fold lock washer used for?
It is used to secure bolted connections exposed to vibration, movement, and corrosive environments.
2. Why choose 316 stainless steel for locking washers?
316 stainless steel provides better resistance to chlorides and corrosion than many standard stainless steels.
3. How is this washer different from a spring washer?
DIN25201 locking washers use a wedge locking mechanism, while spring washers mainly rely on elastic pressure.
4. Can custom sizes be manufactured?
Yes, Flybear supports customized dimensions, materials, and packaging requirements.
5. Is this washer suitable for marine applications?
Yes, 316 stainless steel makes it suitable for many marine and offshore fastening 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.
Contact us for quotation, customization, and technical support via Contact Us.
