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M12 USS Flat Washers

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.

3 results, (click on any line for more information)

Buy USS Flat Washers from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
BoltCraftNEUSS Flat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12 x 24m12 x 24mm od uss flat washer gr 18.8 stainless steelinquire
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THRDFASTFLUSS Flat WasherSteelPlainM12USS f/w160
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BHAMALUSS Flat WasherSteelZinc/ClearM12m12 hardened uss flat washer zinc2500
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