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Wedge Lock Washer WTEC Narrow Shape | M12 Compatibility | Corrosion Resistant | by Wurth
Wedge Lock Washer WTEC Narrow Shape is designed for M12 screw threads, providing exceptional corrosion resistance for up to 600 hours. Ideal for securing laterally loaded, vibrating screw connections, this washer features a mechanical interlocking design that prevents self-loosening, making it perfect for dynamic loading applications in industrial settings.
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Product Name/Title: Wedge Lock Washer WTEC Narrow Shape | M12 Compatibility | Corrosion Resistant | by Wurth
Brand: Wurth
SKU: 401780012
Alternatively Known As: Wedge Lock Washer, Locking Washer, Vibration Lock Washer, DIN 25201 Lock Washer, Anti-Loosening Washer
Technical Specifications
- Internal diameter: 13 mm
- Suitable for screw thread: M12
- Outer diameter: 19.5 mm
- Thickness: 2.7 mm
- Material: Steel
- Vickers hardness: 485 HV
- Surface finish: Flake zinc silver
- Corrosion protection period: 600 hours
- Design: Narrow
- Locking function: Mechanical interlocking to prevent self-loosening
- RoHS-compliant: Yes
- Dimensions (H x L x W): 2.7mm x 19.5mm x 19.5mm
- Weight: 0.02 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 highly secure locking by pre-tension instead of friction
- Easy to assemble and disassemble with washers glued in pairs
- Tested system for screw retainer at high and low tension
- 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 a qualified technician or engineer is recommended to ensure proper application and secure fastening.
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 material ensuring reduced hazardous substances
Warranty Information
Standard manufacturer warranty applies; please refer to Wurth warranty policy for details.
Available Now
The Wurth Wedge Lock Washer WTEC Narrow Shape is available for immediate purchase, ideal for industrial and mechanical fastening applications requiring secure locking under vibration and oscillation.
