Sirius A2 304 Stainless Steel Spring Washers

The Sirius A2 304 Stainless Steel Spring Washer in M20 is a high-quality locking washer designed to prevent nuts and bolts from loosening due to vibration, movement and repeated loading. The M20 size is intended for heavy-duty fastening applications in structural engineering, industrial machinery and large-scale construction projects where high-load bolted connections must remain secure. Manufactured from A2 304 stainless steel, this washer delivers excellent corrosion resistance without the need for protective coatings, making it reliable in indoor, outdoor and damp environments. Its split spring design maintains continuous tension within the joint, resisting loosening and improving the long-term dependability of heavy bolted assemblies. 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