SS Spring Washer – Corrosion-Resistant Locking Solution SS Spring Washers, also known as stainless steel split or helical washers, are designed to prevent nuts and bolts from loosening due to vibration, shock, or dynamic loads. Their helical shape maintains tension, ensuring a secure and reliable fastening in demanding environments. Manufactured from premium stainless steel (SS 304 / SS 316), these washers offer excellent corrosion resistance, durability, and strength, making them ideal for marine, outdoor, automotive, machinery, and industrial applications.