5/8" Flat Washer - SAE - 21/32" I.D. - Steel - Zinc - Grade 2 - Pkg of 50

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

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

Flat washers are used in conjunction with fasteners, such as bolts or screws, and are commonly used with spacers/shims and help reinforce an attachment. They help distribute a load across a surface area. Flat washers are available in inch or metric measurements and come in various sizes, with different outside diameter, inside diameter, and thicknesses.

Flat washers are used in conjunction with fasteners, such as bolts or screws, and are commonly used with spacers/shims and help reinforce an attachment. They help distribute a load across a surface area. Flat washers are available in inch or metric measurements and come in various sizes, with different outside diameter, inside diameter, and thicknesses.

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.