Sirius A2 304 Stainless Steel Spring Washers

The Sirius A2 304 Stainless Steel Spring Washer in M18 is a high-quality locking washer designed to prevent nuts and bolts from loosening due to vibration, movement and repeated loading. The M18 size is well suited to heavy engineering, construction and industrial applications where larger bolt diameters are specified and secure, long-lasting fastening performance is essential. Manufactured from A2 304 stainless steel, this washer delivers excellent corrosion resistance without the need for protective coatings, making it suitable for indoor, outdoor and damp environments. Its split spring design creates continuous tension between the fastener and the joint, maintaining clamping force and resisting loosening under dynamic and vibrating loads. Features and Benefits: • Manufactured from premium A2 304 stainless steel • Excellent resistance to rust and corrosion • Designed to secure nuts and bolts against loosening • Split spring design maintains tension within the joint • Helps prevent movement caused by vibration and repeated loading • Improves the reliability of bolted connections • Suitable for use with compatible bolts, screws and nuts • Ideal for indoor and outdoor applications • Durable, maintenance-free construction • Suitable for professional and DIY use