Stainless Steel Spring Square/ Flat Washers are used in between threaded fasteners, like a nut or bolt. These Washers act as a means of distributing the stress applied to components that are bolted together. These Spring Square/ Flat Washers also cut down on friction as the bolt is being turned. These Spring Square/ Flat Washers come in different sizes ranging from M2 to M38. Stainless Steel Spring Square/ Flat Washers can be used when tension is required between the two fastening body.