Made of 304 stainless steel, a replacement for washer in your machine, furniture, or other things. Vulcan Hart 00-418321-00002 Basket Hanger | Parts Town The benefit of spring lock washers lies in the trapezoidal shape of the washer. 304 Stainless steel for corrosion resistance, for outside applications, easy to install. Stainless Steel Spring Lock Washer Open End Split Washers from China... Uxcell Split Lock Washer, #12 304 Stainless Steel Spring Lock Washer Washers are normally used to distribute loads of threaded bolts, screws, and nuts evenly as the fastener is tightened. Aspen Fasteners Sealing Washers Products | DesertCart This reduces the spring rate of the bolted joint which allows it to maintain more force under the same vibration levels. This prevents loosening. Application Split lock washers place tension against a nut after tightening. Spring-loaded circular split washer to prevent self-loosening of fasteners. Split washers are not to be used in conjunction with a flat washer under the spring washer, spring washer from biting into the component that will resist turning.