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Wedge Lock Washer WTEC Narrow Shape | DIN 25201 Compliant | Corrosion Resistant | @Pack of 25 | by Wurth
Wedge Lock Washer WTEC Narrow Shape is designed to secure laterally loaded and vibrating screw connections, preventing self-loosening in dynamic applications. Compliant with DIN 25201, this corrosion-resistant washer offers a protection period of 600 hours, making it ideal for industrial and mechanical uses. Its reusable design ensures longevity and reliability, perfect for high-strength screws and nuts.
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Product Name/Title: Wedge Lock Washer WTEC Narrow Shape | DIN 25201 Compliant | Corrosion Resistant | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 401780005
Alternatively Known As: Wedge Lock Washer, Locking Washer, Vibration Lock Washer, DIN 25201 Lock Washer, Anti-Loosening Washer
Technical Specifications
- Internal diameter (d1): 5.4 mm
- Suitable for screw thread: M5
- Suitable for thread (imperial): #10
- Outer diameter (d2): 9 mm
- Thickness (h1): 1.7 mm
- Material: Steel
- Vickers hardness: 485 HV
- Surface finish: Flake zinc silver
- Corrosion protection period: 600 hours
- RoHS-compliant: Yes
- Design: Narrow
- Locking function: Locking against self-loosening by mechanical interlocking
- Dimensions (H x L x W): 1.7mm x 9mm x 9mm
- Weight: 0.01 kg
Key Features
- Effectively secures laterally loaded and vibrating screw connections against self-turning
- Lock washer in line with DIN 25201 standard
- Corrosion resistance of 600 hours base metal corrosion per DIN EN ISO 9227-NSS
- Wedge surface slope ensures secure locking by pre-tension instead of friction
- Easy assembly and disassembly with glued pairs
- Tested for high and low tension screw retention
- Reusable multiple times without loss of quality
- Gentle on surfaces
- Available in stainless steel or steel with flake zinc silver surface
- Narrow design for specific applications
Professional Installation Requirements
- Installation by qualified personnel recommended to ensure proper locking and safety compliance.
Applications
- Securing laterally loaded, vibrating screw connections
- Preventing self-loosening in screw connections subject to oscillations
- Suitable for dynamic loading applications
- Use with high-strength screws (8.8, 10.9, 12.9) and matching nuts
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems for safe handling and installation
Environmental Benefits
- Reusable design reduces waste and resource consumption
- Corrosion resistance extends product lifespan, reducing replacement frequency
Warranty Information
Warranty details available upon request from Wurth; typically covers manufacturing defects.
Available Now
The Wurth Wedge Lock Washer WTEC Narrow Shape WSH WDGELOK SF DPE 5 is available for immediate purchase, ideal for industrial and mechanical applications requiring secure screw connections.
