Since 1934, Minneapolis Washer and Stamping has provided top-level service and quality stampings. We specialize in stamping flat round washers, special washers, standard washers, fender washers, SAE washers, shims, spacers, belleville washers, bushings, single wave washers and circles from virtually any stampable material. Our presses can stamp up to 7" OD, 5/16" thick, all the way down to .005" thin. Materials include mild steel, spring steel, aluminum, brass, stainless steel, copper, nylon, nickel silver and countless others. Secondary processes such as zinc plating, heat-treating, grinding, tapping and a multitude of other treatments are readily available.