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1 1/4 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 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| BHAM | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 x 1 1/4 | 1/2x1 1/4 uss flat 300 ser ss b18.22.1 | 106 |
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