ForgeFix Spring Washers are bright zinc plated for increased corrosion resistance. Split at one point and bent into a helical shape this creates a spring force between fasteners head and base item. Axial flexibility prevents loosening due to vibrations. Supplied in a handy ForgePack. https://elecena.pl/product/29468704/forgefix-fpksw12-spring-washer-m12-forgepack-20 2025-10-31 https://elecena.pl/product/29468704/forgefix-fpksw12-spring-washer-m12-forgepack-20 2026-07-12