FCH News

2 1/4 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.

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

Buy USS Flat Washers from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
B & K FASTPAUSS Flat WasherSteelPlain2 1/42 1/4 uss flat washer plain b18.22.1109
    Contact_Supplier
B & K FASTPAUSS Flat WasherSteelZinc/Clear2 1/42 1/4 uss flat washers zinc b18.22.1147
    Contact_Supplier
BHAMFLUSS Flat WasherSteelGalvanized2 1/42-1/4 uss flat hdg b18.22.128
    Contact_Supplier
THRDFASTFLUSS Flat WasherSteelPlain2 1/4USS f/w b18.22.1125
    Contact_Supplier
THRDFASTFLUSS Flat WasherSteelGalvanized2 1/4USS f/w hdg b18.22.123
    Contact_Supplier

Trademarks identified with products listed on this website are the property of their respective owners, not FastenersClearingHouse.com.