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USS Flat Washers , Grade A

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 
HodellOHUSS Flat WasherGrade AZinc/Clear14 x 15014 150# spcl a307 stud boltup set zn w/(12pc) 1x8 3/4 a307 all thread stud (24pc) finished hex nut (24pc) uss flat zinc ()30
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