DIN25201 Wedge Lock Washer: The Ultimate Anti-Loosening Solution for High-Vibration Applications
In industries where vibration is constant—such as high-speed rail, wind power, and aerospace—securing bolted joints is critical. Aojia Fixings manufactures professional Wedge Lock Washers (DIN25201) designed to prevent spontaneous bolt loosening through tension rather than friction.
Browse our high-performance Industrial Washer Series for specialized fastening components.
Technical Superiority & Material Grades
Our self-locking washers are engineered for extreme durability and reliability. We use high-strength materials to ensure a hardness of 480 - 520HV:
- Material Options: Spring steel 65Mn, S60c High-strength steel, Stainless Steel 304/316, and SK5 Carbon tool steel.
- Grade Compliance: Suitable for use with bolt grades 8.8, 10.9, and 12.9.
- Surface Treatment: Dacromet, Blackening, or Galvanizing for superior corrosion resistance.
- Advanced Locking Mechanism: Uses a cam-locking principle to ensure the bolt remains tight even under severe dynamic loads.
Download the full size chart for our DIN25201 Dual-Stacked Washers.
Extensive Size Range (GL3 to GL130)
| Model (Metric) | Inner Dia (mm) | Outer Dia (mm) | Thickness (mm) | Weight (kg/100pcs) |
|---|---|---|---|---|
| GL6 (M6) | 6.5 | 10.8 | 1.8 | 0.07 |
| GL10 (M10) | 10.7 | 16.6 | 2.5 | 0.22 |
| GL20 (M20) | 21.4 | 30.7 | 3.4 | 0.91 |
| GL30 (M30) | 31.4 | 47.0 | 5.8 | 4.10 |
*Available in both Metric (M3-M130) and Imperial (1/4" to 5") sizes.
Application Areas
The Wedge Lock Washer is essential for security-critical structures:
- Power & Energy: Wind power generation equipment and power support structures.
- Transportation: High-speed rail, heavy trucks, and agricultural machinery.
- Engineering: Aerospace components and heavy construction machinery.
Request a Factory Quote for Bulk Orders
Aojia Fixings provides OEM/ODM services for global B2B buyers. For specialized technical support or volume pricing, please contact our team via WhatsApp.
Mobile/WhatsApp: +86 15303108723