1 1/4 x 2 1/2 Grade F436 Round Structural Washer Medium Carbon Steel Yellow Zinc Plated Pk 25

PRODUCT SPECIFICATIONS Part #: 0000-121901 Fastener Type: Round Structural Washer Size Description: 1 1/4 x 2 1/2 Diameter/Nominal Size: 1 1/4 * System of Measurement: Inch Grade: F436 Material: Medium Carbon Steel Finish: Yellow Zinc Plated Outside Diameter: 2 1/2 Used with: Bolts/Screws up to Grade 8 Alloy Socket Screws 12-Point Flange Screws Average Piece Weight: 0.1512800 lbs. *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.