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9 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 
QFCTXUSS Flat WasherSteelZinc/Clear3/4 x 93/4 uss flat zinc (9/lb 450/50lb) .812x2.00x.148 b18.22.14
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