5/16 Grade 8 Flat Washer SAE Pattern - USA Medium Carbon Steel Plain Finish Pk 50

PRODUCT SPECIFICATIONS Part #: 0000-105819 Fastener Type: Flat Washer SAE Pattern - USA Size Description: 5/16 Diameter/Nominal Size: 5/16 * System of Measurement: Inch Grade: 8 Material: Medium Carbon Steel Finish: Plain Finish (No Plating) Used with: Bolts/Screws Grade 8 Alloy Socket Screws 12-Point Flange Screws Average Piece Weight: 0.0051000 lbs. Country of Manufacture: United States *Washer Sizing: Washer sizes are nominal (sized for the bolt that the washer will fit). Actual inside diameter is almost always larger than stated size. Please see the Inside Diameter spec in the table above if available. Washers are thin disk-shaped plates with a hole that is used to distribute the load of a threaded fastener such as a bolt or nut; often have an outer diameter (OD) about twice their inner diameter (ID) but this can vary based upon the washer. Washers come in many different varieties; flat washers split lock washers toothed lock washers beveled washers in both steel and iron etc.