Stainless steel GN 185 countersunk washers with plastic cover disks shroud screw joints for visually appealing finishes. They are metric sized to European Standard 1.4305 (American Standard series 303) and are RoHS-compliant. The white polyamide (PA) cover disks prevent damage to finished surfaces.
J. W. Winco, Inc., 2815 South Calhoun Rd., New Berlin, WI 53151, (800) 877-8351, www.jwwinco.com