Item Specifications UPC 842176142890 Package Quantity 100 Inch / Metric Inch Thread Size 5/16" Inside Dia. 0.322" Outside Dia. 0.610" Thickness Min. 0.028" Thickness Max. 0.034" Material Stainless Steel 410 Finish Plain Item Type Washers Washer Type Tooth Lock Washer Product Code 5150-6865 SKU 3SWLX905