Flat washers are ideal for use with threaded fasteners for distributing the load uniformly and reducing the frictional losses during screw tightening applications. These units are also used for providing spacing and electrical insulation in control boxes. Raptor Supplies offers a wide array of Accurate Mfd Products, Apollo, Armor Coat, C. Sherman Johnson, Dynaform, Earnest, Fabory, Foreverbolt, Grainger, Master Products, Metric Blue, TE-CO and Micro Plastics washers featuring lightweight, compact & durable design for withstanding high compressive loads without causing deformation. Washers from Grainger feature a carbon steel / steel / stainless steel body that resists oxidation reactions, on the exposed surfaces, caused by corrosive fluids, chemicals and harsh industrial environments. Choose from a wide range of these flat washers available in inside diameter options ranging from 0.063 to 0.143 inch on Raptor Supplies.