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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, vibrating screw connections effectively. Compliant with DIN 25201, it offers 600 hours of corrosion resistance, making it ideal for dynamic loading applications. Perfect for professionals, this washer ensures reliable locking against self-loosening, enhancing safety in mechanical fastening.
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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: 401780004
Alternatively Known As: Wedge Lock Washer, Locking Washer, Vibration Lock Washer, DIN 25201 Lock Washer, Anti-Loosening Washer
Technical Specifications
- Internal diameter (d1): 4.4 mm
- Suitable for screw thread: M4
- Suitable for thread (imperial): #8
- Outer diameter (d2): 7.6 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 7.6mm x 7.6mm
- Weight: 0.01 kg
Key Features
- Effectively secures laterally loaded, 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 to assemble and disassemble 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
- Recommended installation by qualified personnel to ensure proper locking and safety.
Applications
- Securing laterally loaded, vibrating screw connections
- Preventing 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
Environmental Benefits
- Reusable multiple times reducing waste
- RoHS-compliant ensuring reduced hazardous substances
Warranty Information
Standard manufacturer warranty applies; please refer to Wurth warranty policy.
Available Now
The Wurth Wedge Lock Washer WTEC Narrow Shape WSH WDGELOK SF DPE 4 25 PCS is available for immediate purchase, ideal for industrial and mechanical fastening applications requiring secure screw connections.
