Nominal Size: #4
Inside Diameter: 1/8"
Outside Diameter: 3/8"
Thickness: 3/32"
Material: Steel
Finish: Black Oxide
Type: Finishing Washer
Box of 60.
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.
