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1/2 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.
63 results, (click on any line for more information)
| Buy USS Flat Washers from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Irwin Ind | Ont | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 stl uss flatwashers zinc trivalent clear b18.22.1 | 6000 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/2 | 1/2 uss flat gr 8 stl zy b18.22.1 () () () | 1307 |
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| GLF | OH | USS Flat Washer | Steel | Plain | 1/2 | 1/2 uss flat stl pln b18.22.1 () () () | 2675 |
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| GLF | OH | USS Flat Washer | Steel | Galvanized | 1/2 | 1/2 uss flat stl hdg b18.22.1 () () () | 5894 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat stl zc b18.22.1 () () () | 4891 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat stl zc domestic b18.22.1 () () () | 148 |
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| GLF | OH | USS Flat Washer | Grade 8 | Plain | 1/2 | 1/2 uss flat gr 8 stl pln b18.22.1 () () () | 1987 |
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| GLF | OH | USS Flat Washer | 316, 317, A4 Stainless | Plain | 1/2 | 1/2 uss flat 316 s/s b18.22.1 () () () | 227 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss flat thru-hard stl zy domestic b18.22.1 () () () | 1350 |
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| GLF | OH | USS Flat Washer | Steel | Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.) | 1/2 | 1/2 uss flat stl magni 575 black b18.22.1 () () () | 2132 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat stl zinc cobalt b18.22.1 () () () | 49 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat -thru-hardened-zinc-cr3 b18.22.1 () () () | 8 |
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| GLF | OH | USS Flat Washer | 316, 317, A4 Stainless | Plain | 1/2 | 1/2 uss flat 316 s/s domestic b18.22.1 () () () | 68 |
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| GLF | OH | USS Flat Washer | Steel | Plain | 1/2 | 1/2 uss flat thru-hard stl pln domestic b18.22.1 () () () | 918 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss f/w hrd stl yel znc (1-3/8 od) b18.22.1 | 633 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 x 10 | 1/2 uss f/w 10/pkg hrd stl yel znc (1-3/8 od) b18.22.1 | 7 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss f/w extra thick hrd stl yel znc (1-3/8 od) b18.22.1 | 588 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss f/w dom hrd stl zinc (1-3/8 od) b18.22.1 | 200 |
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| Ababa | CA | USS Flat Washer | Steel | Galvanized | 1/2-1 3/8 | 1/2 uss f/w stl hdg (1-3/8 od) b18.22.1 | 1850 |
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| Ababa | CA | USS Flat Washer | Steel | Plain | 1/2-1 3/8 | 1/2 uss f/w stl pln (1-3/8 od) b18.22.1 | 117 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Clear | 1/2-1 3/8 | 1/2 uss f/w stl znc (1-3/8 od) b18.22.1 | 5396 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Clear | 1/2-1 3/8 | 1/2 uss f/w stl znc (1-3/8 od) b18.22.1 | 846 |
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| Irwin Ind | Ont | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 plate uss flatwashers zinc dichromate b18.22.1 | 820 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss f/w hrd stl yel znc (1-3/8 od) b18.22.1 | 250 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 x 10 | 1/2 uss f/w 10/pkg hrd stl yel znc (1-3/8 od) b18.22.1 | 4 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss f/w extra thick hrd stl yel znc (1-3/8 od) b18.22.1 | 100 |
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| Ababa | CA | USS Flat Washer | Steel | Galvanized | 1/2-1 3/8 | 1/2 uss f/w stl hdg (1-3/8 od) b18.22.1 | 250 |
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| Ababa | CA | USS Flat Washer | Steel | Plain | 1/2-1 3/8 | 1/2 uss f/w stl pln (1-3/8 od) b18.22.1 | 150 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Clear | 1/2-1 3/8 | 1/2 uss f/w stl znc (1-3/8 od) b18.22.1 | 500 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Clear | 1/2-1 3/8 | 1/2 uss f/w stl znc (1-3/8 od) b18.22.1 | 150 |
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| SII | IN | USS Flat Washer | Steel | Plain | 1/2 | 1/2 plain finish uss flat washer) b18.22.1 | 577 |
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| QFC | TX | USS Flat Washer | Steel | Plain | 1/2 | 1/2 uss flat plain each 26 .562x1.375x.109 b18.22.1 | 825 |
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| QFC | TX | USS Flat Washer | Steel | Plain | 1/2 | 1/2 uss flat plain each 26 .562x1.375x.109 b18.22.1 | 219 |
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| QFC | TX | USS Flat Washer | Steel | Galvanized | 1/2 | 1/2 uss flat galvanized b18.22.1 | 1026 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat zinc b18.22.1 | 496 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat zinc b18.22.1 | 27441 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat zinc b18.22.1 | 18610 |
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| QFC | TX | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 uss flat 18-8 s/s b18.22.1 | 29 |
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| QFC | TX | USS Flat Washer | Grade 5 | Zinc/Yellow | 1/2 | 1/2 uss flat thru-hardened for grade 5 & grade 8 applications yellow zinc b18.22.1 | 17200 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 flat uss wrought iron z b18.22.1 | 6100 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 flat uss wrought iron z b18.22.1 | 4207 |
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| QFC | TX | USS Flat Washer | Steel | Galvanized | 1/2 | 1/2 uss flat hdg dom. b18.22.1 | 76 |
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| QFC | TX | USS Flat Washer | Steel | Galvanized | 1/2 | 1/2 uss flat hdg dom. b18.22.1 | 1384 |
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| QFC | TX | USS Flat Washer | Grade 9 | Plain | 1/2 | 1/2 pfc-9 uss cut b18.22.1 | 125 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 x 26 | 1/2 uss flat zinc(26/lb 1300/50lb) .562x1.375x.109 b18.22.1 | 1 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat zinc per each 26 .562x1.375x.109 b18.22.1 | 1803 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat zinc per each 26 .562x1.375x.109 b18.22.1 | 3936 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat zinc per each 26 .562x1.375x.109 b18.22.1 | 2624 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat zinc per each 26 .562x1.375x.109 b18.22.1 | 263 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat zinc per each 26 .562x1.375x.109 b18.22.1 | 450 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss flat hardened y/zinc b18.22.1 | 140 |
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| B & K FAST | PA | USS Flat Washer | Steel | Galvanized | 1/2 | 1/2 uss flat washers hd galv b18.22.1 | 101.1 |
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| B & K FAST | PA | USS Flat Washer | Steel | Plain | 1/2 | 1/2 uss flat washers heavy mc12 b18.22.1 | 926 |
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| B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/2 | 1/2 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 45.4 |
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| B & K FAST | PA | USS Flat Washer | Steel | Plain | 1/2 | 1/2 uss flat washers plain b18.22.1 | 28.49 |
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| B & K FAST | PA | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat washers zinc b18.22.1 | 201.840000012 |
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| B & K FAST | PA | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat washers zinc domestic b18.22.1 | 613 |
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| B & K FAST | PA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss flat washers zinc yellow b18.22.1 | 5003.1953848 |
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| B & K FAST | PA | USS Flat Washer | 316, 317, A4 Stainless | Plain | 1/2 x 1 3/8 | 1/2 x 1 3/8 od uss flat washer t-316 stainless b18.22.1 | 181 |
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| JET FITTING | CA | USS Flat Washer | Steel | Galvanized | 1/2 x 1.375 x .109 | 1/2x1.375x.109 flat washer steel hot dip galvanized uss b18.22.1 | 660 |
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| JET FITTING | CA | USS Flat Washer | Steel | Black Oxide | 1/2 x 1 3/8 x .109 | 1/2x1-3/8x.109 uss flat washers steel black oxide b18.22.1 | 388 |
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| Davis | IL | USS Flat Washer | Steel | Galvanized | 1/2 | 1/2 uss flat washer-steel galvonized b18.22.1 | 50 |
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| Davis | IL | USS Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 uss flat washer-steel zinc b18.22.1 | 500 |
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