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USS Flat Washer, 5/8", Galvanized, 25 lb.

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HILLMAN FASTENERS 660841 USS Flat Washer, 5/8", Galvanized, 25 lb.

Item #: 660841 by Hillman Fasteners

Brand: HILLMAN FASTENERS

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$163.91

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WARNING: This Product May Contain Chemicals Known to the State of California to Cause Cancer or Reproductive Harm. To Learn More Visit P65Warnings.ca.gov
Features

Weight (lb)

25.00

Size (W x H x D)

0.10×0.10×0.10

Product Overview
The Hillman Fasteners 660841 is a United States Standard (USS) flat washer, designed to distribute the load of a threaded fastener across a wider surface area. These washers help to prevent embedment into softer materials, reduce friction, and minimize the risk of loosening due to vibration in bolted assemblies. USS washers are characterized by a larger outside diameter and greater thickness compared to SAE (Society of Automotive Engineers) washers, making them suitable for heavy-duty applications and construction where broad load distribution is critical. This washer is made from steel and features a galvanized finish, commonly hot-dipped, for enhanced corrosion resistance, making it appropriate for both indoor and outdoor use, including applications involving treated lumber. Designed for 5/8" bolts, it typically has an inside diameter accommodating the bolt and an outside diameter of approximately 1.74 to 1.78 inches, with a listed thickness of 0.1 inches. It is supplied in a 25 lb. bulk quantity.