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Wedge Lock Washer WTEC Narrow Shape | Corrosion Resistant | Reusable Design | @Pack of 25 | by Wurth
Wedge Lock Washer WTEC Narrow Shape is designed for securing screw connections against self-loosening under lateral loads and vibrations. With a corrosion-resistant coating that lasts up to 600 hours, this reusable washer is perfect for dynamic loading conditions in industrial and automotive applications. Ideal for high-strength screws, it ensures reliable performance while being gentle on surfaces.
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Product Name/Title: Wedge Lock Washer WTEC Narrow Shape | Corrosion Resistant | Reusable Design | @Pack of 25 | by Wurth
Brand: Wurth
SKU: 401780008
Alternatively Known As: Wedge Lock Washer, Narrow Lock Washer, Wurth Lock Washer, Vibration Lock Washer, DIN 25201 Lock Washer
Technical Specifications
- Internal diameter (d1): 8.7 mm
- Suitable for screw thread: M8
- Suitable for thread (imperial): 5/16 inch
- Outer diameter (d2): 13.5 mm
- Thickness (h1): 2.7 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): 2.7mm x 13.5mm x 13.5mm
- Weight: 0.01 kg
Key Features
- Effectively secures screw connections against self-turning under lateral loads and vibrations
- Locking by pre-tension through wedge surface slope between paired washers
- 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 and compatible with lubricants
- Available in stainless steel or steel with flake zinc silver surface
- Corrosion resistance of 600 hours base metal corrosion per DIN EN ISO 9227-NSS
Professional Installation Requirements
- Installation by trained personnel or qualified technicians is recommended to ensure proper locking and safety.
Applications
- Securing laterally loaded, vibrating, and oscillating screw connections in mechanical assemblies
- Suitable for use with high-strength screws (8.8, 10.9, 12.9) and matching nuts
- Ideal for dynamic loading conditions in industrial and automotive applications
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Reusable design reduces waste and replacement frequency
- Corrosion-resistant coating extends product life, minimizing environmental impact
Warranty Information
Warranty against manufacturing defects as per Wurth standard terms and conditions.
Available Now
The Wurth Wedge Lock Washer WTEC Narrow Shape WSH WDGELOK SF DPE 8 is available for immediate purchase, ideal for industrial and mechanical fastening applications requiring secure screw connections.
