3/8'' Grade 8 SAE Flat Washer

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Grade 8 Steel Yellow Zinc SAE Flat Washers. Grade 8 flat washers have tighter tolerances on thickness and are manufactured from a stronger grade of steel, they are also heat trea ted. They are used between the bearing surface of the fastener and the part for which you are installing the bolt to be attached. Washers improve the stress distribution. SAE washers have a slightly smaller inside and outside diameter, when compared to USS flat washers. SAE washers were designed specifically for the automotive and engineering fields. Plating: Yellow Zinc Material: Steel Inside Diameter: .401/.419 Outside Diameter: .805/.827 Tolerance Of Thickness: .051/.080 Country of Origin varies; Country of Origin is subject to change If plating is important please send an inquiry Show more