#12 x 17/64" x 21/32" Nickel Plated Steel Finishing WashersType: Finishing Washers
Diameter 2: 21/32"
Nominal Size: #12 (7/32")
Style: Cup Washer
Type: Finishing Washer
Protects the surface you are fastening to by preventing the fastener head from sinking into the surface. Also improves the appearance when using countersunk screws. For best results, use a flat head or oval head screw.