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2 inch length USS Flat Washers (ASME B18. 22.1)

USS Flat Washers were among the first known commercial flat washers in the U.S.A. They are characterized as having a loose fit, and have a larger outside diameter than SAE Flat washers. The USS designation was derived from the name “Unified Standard Series.” At the time, coarse threaded bolts were called USS bolts.

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Buy USS Flat Washers from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHUSS Flat WasherSteelGalvanized3/4 x 23/4x2 od uss flat -low carbon-hdgalvanized b18.22.1 () () ()317
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GLFOHUSS Flat WasherGrade 2Plain3/4 x 23/4x2 od uss flat -grade 2-low carbon-plain b18.22.1 () () ()220
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