Structural Flat Washer, Steel, Yellow Zinc Plated, Round Shape, USA Made, 0.813" ID, 1.469" OD, 0.219" Thick (Pack of 10)

Structural Washers are our extra thick and extra thick washer designed for use with Grade 5, Grade 8, Structural bolting, and Socket products. Based on the standard SAE Pattern flatwasher, but extra thick, and stamped from Medium Carbon Steel, thru hardened to Rockwell Rc C43-C49, and Zinc Yellow Plated (RoHs compliant) for strength and corrosion resistance. Each washer has the bolt size on the top of the washer, and "USA" to signify that we manufacture this 100% in the USA from DFARS compliant material. Used in transportation industries, construction and MRO, power generation, mining, and general industrial applications. The perfect washer for a joint requiring extra strength and dependability. These washers are even thicker than the structural F436 specification that is generally used for structural bolting applications.

• SAE Pattern washers, but twice as thick for extra strength
• Each stamped washer has the bolt size on the top side of the washer for easy identification in the field
• Stamped from Medium Carbon Steel, Thru Hard to Rockwell C43-C49, and then Zinc Yellow Plated for corrosion resistance
• Construction, Power generation, Machinery, Transportation
• Made In USA for excellent quality conformance