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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 standards, it offers corrosion resistance for up to 600 hours, making it ideal for dynamic loading applications. Perfect for professionals, this washer ensures reliable locking against self-loosening, enhancing safety in mechanical installations.
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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: 401780020
Alternatively Known As: Wedge Lock Washer, Locking Washer, Vibration Resistant Washer, DIN 25201 Lock Washer, Narrow Lock Washer
Technical Specifications
- Internal diameter (d1): 21.4 mm
- Suitable for screw thread: M20
- Outer diameter (d2): 30.7 mm
- Thickness (h1): 3.7 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): 4mm x 31mm x 31mm
- Weight: 0.05 kg
Key Features
- Effectively secures laterally loaded, vibrating screw connections against self-turning
- Lock washer in line with DIN 25201 standard
- Corrosion resistance with 600 h base metal corrosion protection per DIN EN ISO 9227-NSS
- Wedge surface slope ensures secure locking by pre-tension instead of friction
- Easy to assemble and disassemble; washers are glued in 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 with locking against self-loosening by mechanical interlocking
Professional Installation Requirements
- Installation by qualified personnel recommended 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 for workplace safety
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 20 25 PCS is available for immediate purchase, ideal for industrial and mechanical applications requiring secure screw connections.
