DIN9250 Serrated Safety Washer: Anti-Vibration Locking Solution
The DIN9250 Serrated Safety Washer provides superior anti-vibration locking for bolts and nuts in heavy machinery, construction, and automotive applications. Its gear-surface design combines friction force with mechanical locking security to effectively resist vibration and prevent loosening, even in high-stress environments.
Product Features
- Available in sizes from M1.6 to M36 to cover most industrial and automotive fastener needs
- Serrated design enhances grip and distributes pressure evenly, reducing material damage
- Robust construction ensures long-term durability under extreme conditions
- Corrosion-resistant for extended lifespan and cost-effectiveness
- Ideal for delicate applications where maintaining structural integrity is crucial
Technical Specifications
| Parameter |
Range |
| Size |
M1.60mm - M36.00mm |
| Outer Diameter (D) |
3.20mm - 54.00mm |
| Inner Diameter (d) |
1.70mm - 38.00mm |
| Thickness (T) |
0.35mm - 2.50mm |
Product Details
- Standard: DIN9250 Art9093
- Materials: Stainless steel, Spring steel, 65MN, Brass/Aluminum
- Surface Treatment: Zinc plating, black, plain
- Design: Disc springs with trapezoidal cross section on both sides for superior gripping
- Function: Sustains preload and prevents screw loosening due to vibration
- Compatibility: Matched to screw dimensions, suitable for screws and bolts including recessed heads (except countersunk screws)
- Customization: Available per customer requirements
- Annual Output: 40,000,000 pieces/year
- Packaging: Standard wood box or carton + pallet
- Place of Origin: Yangzhou, China
- Brand: Sunzo or OEM
- Delivery Time: 10 days