Springlock Industries offers Long Life Spring Washer. Springlock Industries is an ISO9001:2000 certified company. It also offers taper washers, bolts, hex bolt, anchor bolt, studs, u-bolts, nuts, rivets, sheet metal components, split cotter pins, retaining rings/circlips, auto pin bobbin rings etc.Long Life Spring Washer is a disk of metalÿthat is formed in an irregular shape so that when the washer is loaded it deflects, acts like a spring, and provides a preload between two surfaces. The Long Life Spring Washer is available in High Carbon Spring Steel, Stainless Steel, Phosphor Bronze and Alloy Steel.