5/8" Flat Washer - USS - 11/16" I.D. - .108/.16" Thick - Steel - Zinc - Grade 2 - Pkg of 50

Case hardened steel with black oxide finish. Extra thick for increased strength.

Flat Washers are used to increase the surface area of fasteners, in order to evenly distribute the force applied when tightening them to a surface. They are also used to prevent loosening due to vibration, to stop the bolt or screw from pulling through, and act as spacers. They are manufactured from steel and zinc-plated and are manufactured to ASME B18.21.1 standard. Features: Vibration Resistance Acts as Spacer Increases Surface Area Unhardened Carbon Steel

Solid Brass Flat Washers are used to increase the surface area of fasteners in order to more evenly distribute the force applied when fasteners are tightened to a surface. They are also used to prevent loosening due to vibration, to stop the bolt or screw from pulling through, and act as spacers. Brass Flat Washer are manufactured from solid brass to protect against tarnishing and corrosion and are a commonly used washer in the plumbing, heating & air, and electrical trades. Features: Solid Brass Corrosion Resistance Vibration Resistance Acts as Spacer

Case hardened carbon steel with black oxide finish. Available in carbon steel or stainless steel.

Used in applications with nuts and bolts. The flat washer provides a greater bearing surface which helps prevent a nut or bolt head from tearing through the material. Flat washers are commonly used in decks and fence building.