5/16" Hi‑Collar Lock Washer, Stainless Steel 18‑8

Manufactured from 18‑8 stainless steel, this 5/16" hi‑collar lock washer is designed to resist loosening caused by vibration and dynamic loads. The raised collar delivers enhanced locking action and consistent spring tension beneath the fastener, helping maintain clamp load over time. Excellent corrosion resistance makes it well suited for automotive, industrial, electrical, and general‑purpose inch‑series applications.