J.W. Winco, Inc. now offers series GN 185 Countersunk Washers with Plastic Cover Disk.These RoHS-compliant, metric size washers are made of stainless steel, European Standard 1.4305 (American Standard series 303). The cover disks are made of white technopolymer (Polyamide PA). The washers are used for shrouding screw joints when a visually appealing finish is desired. The plastic disks serve to avoid damage to finished surfaces.
