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1 1/8 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
THRDFASTALUSS Flat WasherSteelGalvanized1 1/8 x 1/41 1/8 USS flat hdg 1/4 thk b18.22.14
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BoltCraftNEUSS Flat WasherSteelZinc/Clear1 1/8 x 2251-1/8 uss flat washer zinc 225/ctn-20/pkg262
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JacksonMSUSS Flat WasherGrade 8Zinc/Yellow1 1/81-1/8 USS gr 8 flat 1 1/4 idx2 3/4 od996
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JacksonMSUSS Flat WasherSteelZinc/Clear1 1/81-1/8 USS flat 1 1/4 idx2 3/4 od 8 gauge 4.5/lb2064.5
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JacksonMSUSS Flat WasherSteelPlain1 1/81-1/8 USS flat 1 1/4 idx2 3/4 od 4.5/lb1269
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YANKEENHUSS Flat WasherSteelZinc/Clear1 1/8 x 2 3/41-1/8 x 2 3/4 uss flat washer steel zinc plated1
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YANKEENHUSS Flat WasherGrade 8Zinc/Yellow1 1/8 x 2 3/41-1/8 x 2 3/4 od uss flat washer grade 8 steel zinc/yellow251
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ACFCAUSS Flat WasherSteelZinc/Clear1.250 x 2.750 x .1651.250x2.750x.165 uss steel flatwasher z/p rohs100
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XL ScrewGAUSS Flat WasherGrade 5Plain1 1/8 (1 1/4 x 2 3/4 x .136/.192)uss flat hard rc 38-45 for a325/a490 and 8 9 bolts225
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XL ScrewGAUSS Flat WasherGrade 5Zinc/Yellow1 1/8 (1 1/4 x 2 3/4 x .136/.192)uss flat hard rc 38-45 zyd for a325/a490 and 8 9 bolts225
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JacksonMSUSS Flat WasherSteelGalvanized1 1/8USS flat hot dip 1 1/4 idx2 3/4 od 4.5/lb1013
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LippinCAUSS Flat WasherSteelZinc/Clear1 1/81 1/8 flat washer uss zp 5# (23)11
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SIIINUSS Flat WasherSteelZinc/Clear1 1/81-1/8 zinc uss flat washer)50
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AbabaCAUSS Flat WasherSteelPlain1 1/81 1/8 uss f/w hrd stl pln (2-3/4 od) b18.22.11
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AbabaCAUSS Flat WasherSteelZinc/Yellow1 1/81 1/8 uss f/w hrd stl yel znc (2-3/4 od) b18.22.1130
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AbabaCAUSS Flat WasherSteelGalvanized1 1/81 1/8 uss f/w stl hdg (2-3/4 od) b18.22.121
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AbabaCAUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss f/w stl znc (2-3/4 od) b18.22.127
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YANKEENHUSS Flat WasherSteelPlain1 1/81-1/8 uss flat washer plain7
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WeaverWAUSS Flat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/81 1/8 uss flat s 18-8 ss27
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ExpressCAUSS Flat WasherSteelZinc/Clear1 1/81-1/8 uss flat zinc115
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AmericanNYUSS Flat WasherSteelZinc/Clear1 1/8USS flat pl239
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B & K FASTPAUSS Flat WasherGrade 8Zinc/Yellow1 1/81 1/8 uss thru-hard flat washers gr 8 z yellow b18.22.11083.97
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B & K FASTPAUSS Flat WasherSteelPlain1 1/81 1/8 uss flat washers plain b18.22.1815.03
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B & K FASTPAUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat washers zinc b18.22.10.11
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B & K FASTPAUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat washers zinc domestic b18.22.1572
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Jay-CeeMIUSS Flat WasherSteelZinc/Clear1 1/81 1/8 u s s flat washer zincinquire
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QFCTXUSS Flat WasherSteelPlain1 1/81 1/8 uss flat plain each 4.5 1.25x2.75x.165 b18.22.163
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QFCTXUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat zinc per each 1.25x2.75x.165 b18.22.1191
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QFCTXUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat zinc per each 1.25x2.75x.165 b18.22.110
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TownCountryARUSS Flat WasherSteelZinc/Yellow1 1/8flat USS thru-hard300
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METRO INDOHUSS Flat WasherSteelZinc/Clear1 1/8USS flat107
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METRO INDOHUSS Flat WasherGrade 8Zinc/Yellow1 1/8USS flat gr 8 /y27
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METRO INDOHUSS Flat WasherBrassPlain1 1/8USS flat29
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TownCountryARUSS Flat WasherSteelZinc/Clear1 1/81 1/8 flat washer uss zinc30
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Future FastenerTXUSS Flat WasherSteelGalvanized1 1/81-1/8 uss flat (galv)25
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ACCURATEILUSS Flat WasherSteelZinc/Clear1 1/8flat - uss225
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Kanebridge ILUSS Flat WasherSteelZinc/Clear1 1/81 1/8 flat washer-uss usa zinc4.375
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SunPackFLUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 uss flat yellow zinc domestic123
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SunPackFLUSS Flat WasherSteelGalvanized1 1/81-1/8 uss flat hdg493
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SunPackFLUSS Flat WasherSteelPlain1 1/81-1/8 uss flat plain8
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SunPackFLUSS Flat WasherSteelZinc/Clear1 1/81-1/8 uss flat zinc408
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SunPackFLUSS Flat WasherGrade 8Zinc/Yellow1 1/81-1/8 gr8 uss flat yellow zinc165
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SunPackFLUSS Flat WasherGrade 8Zinc/Yellow1 1/81-1/8 gr8 uss flat yellow zinc domestic28
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SunPackFLUSS Flat WasherSteelZinc/Yellow1 1/8USS flat domestic123
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HewesNYUSS Flat WasherSteelZinc/Clear1 1/8USS f/w pl225 pc/50#192
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MESAFASTCAUSS Flat WasherSteelPlain1 1/8USS flat (4.5/ #)47.0
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MESAFASTCAUSS Flat WasherSteelZinc/Clear1 1/8USS flat (4.5/ #)17.0
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WurthOntUSS Flat WasherSteelZinc/Clear1 1/8washer flt uss a w st (zn) 1 1/8 b18.22.118
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SunPackFLUSS Flat WasherSteelZinc/Clear1 1/81-1/8 uss flat zinc domestic48
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Purchase MOUSS Flat WasherSteelPlain1 1/81 1/8 uss f/w plain125
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Wurth AdaMNUSS Flat WasherSteelZinc/Clear1 1/8washer flat uss a w steel (zn) 1 1/81,320
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Wurth AdaMNUSS Flat WasherSteelZinc/Clear1 1/8washer flat uss a w steel (zt) 1 1/8195
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GLFOHUSS Flat WasherSteelPlain1 1/81-1/8 uss flat stl pln b18.22.1 () () ()78
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GLFOHUSS Flat WasherSteelZinc/Clear1 1/81-1/8 uss flat stl zc b18.22.1 () () ()388
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GLFOHUSS Flat WasherGrade 8Zinc/Yellow1 1/81-1/8 uss flat gr 8 stl zy b18.22.1 () () ()283
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GLFOHUSS Flat WasherGrade 8Plain1 1/81-1/8 uss flat gr 8 stl pln b18.22.1 () () ()256
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GLFOHUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 uss flat thru-hard stl zy domestic b18.22.1 () () ()194
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CIFILUSS Flat WasherGrade 2Galvanized1 1/81 1/8 flat uss grade 2 hot dip galvanized (44) (44) (217) ()217
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THRDFASTFLUSS Flat WasherSteelGalvanized1 1/8USS f/w hdg b18.22.140
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NAPPCOTXUSS Flat WasherSteelPlain1 1/81-1/8 flatwasher uss thruhardenedsteel (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS)130
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NAPPCOTXUSS Flat WasherSteelGalvanized1 1/81 1/8 uss fws hdg (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS) (180-FLAT WASHERS)50
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OBRIENOHUSS Flat WasherSteelGalvanized1 1/8USS f/w20
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THRDFASTTNUSS Flat WasherGrade 8Zinc/Yellow1 1/81 1/8 gr 8 USS f/w z&y b18.22.154
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THRDFASTTNUSS Flat WasherSteelGalvanized1 1/8USS f/w hdg b18.22.111
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SunPackFLUSS Flat WasherGrade 8Zinc/Yellow1 1/81-1/8 gr8 uss flat yellow zinc domestic80
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SunPackFLUSS Flat WasherGrade 8Zinc/Yellow1 1/81-1/8 gr8 uss flat yellow zinc148
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UNEEDANJUSS Flat WasherSteelPlain1 1/8USS flat105
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LippinCAUSS Flat WasherSteelZinc/Clear1 1/81 1/8 flat washer uss zinc7875
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SRFALUSS Flat WasherSteelPlain1 1/8USS flat-
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SISAZUSS Flat WasherSteelPlain1 1/8USS hardened flat205
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NutsBoltsNEUSS Flat WasherSteelZinc/Yellow1 1/81 1/8 uss thru-hard flat washer zy575
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NutsBoltsNEUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat washer zp1001
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NutsBoltsNEUSS Flat WasherSteelPlain1 1/81 1/8 uss flat washer plain182
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NutsBoltsNEUSS Flat WasherSteelGalvanized1 1/81 1/8 uss flat washer hdg usa
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NutsBoltsNEUSS Flat WasherSteelGalvanized1 1/81 1/8 uss flat washer hdg85
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Cal FastenrsCAUSS Flat WasherSteelPlain1 1/8USS f/w USS fw32
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BHAMALUSS Flat WasherSteelGalvanized1 1/8USS flat hdg332
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BHAMALUSS Flat WasherSteelPlain1 1/8USS flat dom..42
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BHAMFLUSS Flat Washer316, 317, A4 StainlessPlain1 1/8USS flat dom.. 316ss95
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BHAMFLUSS Flat WasherGrade 8Zinc/Yellow1 1/8USS flat gr 8 yel zn110
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MastBoltOHUSS Flat WasherSteelPlain1 1/8USS flat300 pcs
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Future FastenerTXUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss washer plt42
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LippinCAUSS Flat WasherSteelPlain1 1/8flat washer uss plain27295
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DeltaTXUSS Flat WasherSteelPlain1 1/8flat washer uss plain 1 1/8 (2 3/4 OD)651
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DeltaTXUSS Flat WasherSteelGalvanized1 1/8flat washer uss hdg 1 1/8 (2 3/4 OD)77
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DeltaTXUSS Flat WasherSteelZinc/Clear1 1/8flat washer uss zinc 1 1/8 (2 3/4 OD)123
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DeltaTXUSS Flat WasherGrade 8Plain1 1/8flat washer uss gr 8 plain 1 1/8 (2 3/4 OD)184
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THRDFASTALUSS Flat WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1 1/8USS f/w teflon blue b18.22.1267
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THRDFASTMSUSS Flat WasherSteelPlain1 1/8USS f/w b18.22.131
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CNBILUSS Flat WasherSteelPlain1 1/8USS flat339
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QFCTXUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss hard washer zinc b18.22.134
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BHAMALUSS Flat WasherSteelGalvanized1 1/81-1/8 uss flat hdg b18.22.160
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ASFCORPMIUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flt wshr thru-hardened stl rc 38-45 tri zn dich fe/zn 5cn pkg125
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ZAL INDUSCAUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat washer pltd4,378
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ZAL INDUSCAUSS Flat WasherSteelZinc/Yellow1 1/81 1/8 uss flat washer alloy gr.8 zy140
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ZAL INDUSCAUSS Flat WasherSteelBlack Oxide1 1/81 1/8 uss flat washer bl/ox120
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FastWareSaskUSS Flat WasherSteelPlain1 1/8USS flat392
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ASMCILUSS Flat WasherSteelGalvanized1 1/8flat USS pattern low carb hdg175
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ASMCILUSS Flat WasherGrade 8Zinc/Yellow1 1/8gr8 flat USS pattern med carb148
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MTPCAUSS Flat WasherSteelPlain1 1/81 1/8 uss-stl plain flat washers159
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Kanebridge ILUSS Flat WasherSteelZinc/Yellow1 1/81 1/8 uss thru-hardened washer zinc yellow2,000
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Kanebridge ILUSS Flat WasherSteelZinc/Clear1 1/81 1/8 uss flat washer zinc625,000
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LibertyILUSS Flat WasherSteelPlain1 1/8USS flat1,080
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LibertyILUSS Flat WasherSteelZinc/Clear1 1/8USS flat30
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HBBOLTCAUSS Flat WasherSteelZinc/Clear1 1/8USS flat []372
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MastBoltOHUSS Flat WasherSteelPlain1 1/8USS flat300
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KomarMOUSS Flat WasherSteelZinc/Clear1 1/8USS flat 1 1/4x2 3/4x11/64105
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XL ScrewGAUSS Flat WasherSteelPlain1 1/8uss flat s225
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XL ScrewGAUSS Flat WasherSteelZinc/Clear1 1/8uss flat s zp225
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MMFMIUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 hard uss flat washer zdy usa domestic b18.22.1275
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MMFMIUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 hard uss flat washer zinc yellow usa domestic b18.22.1275
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MMFMIUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 hard uss flat washer zinc yellow usa domestic b18.22.1275
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MMFMIUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 hard uss flat washer zdy usa domestic b18.22.1275
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NorthernMNUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 USS flat 4.54 pcs/#30
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BAYFASTCOFLUSS Flat WasherSteelZinc/Clear1 1/81-1/8 uss flat washer steel zinc225
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EmpireWAUSS Flat WasherSteelPlain1 1/81-1/8 uss flat washr h.d.g 4.4/#900
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LibertyILUSS Flat WasherSteelZinc/Yellow1 1/8USS flat194
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SunPackFLUSS Flat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8304 ss USS flat152
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SunPackFLUSS Flat WasherSteelZinc/Clear1 1/8USS flat595
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SunPackFLUSS Flat WasherSteelGalvanized1 1/8USS flat hdg493
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SunPackFLUSS Flat WasherSteelPlain1 1/8USS flat8
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SonfastPAUSS Flat WasherSteelZinc/Clear1 1/81-1/8 uss flat washers steel zinc373
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HodellOHUSS Flat WasherGrade 8Plain1 1/81 1/8 gr 8 uss flat50
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LightningLAUSS Flat WasherGrade 8Zinc/Yellow1 1/8USS flat398
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LightningLAUSS Flat WasherSteelPlain1 1/8astm f844 USS flat302
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BHAMFLUSS Flat WasherGrade 8Plain1 1/81-1/8 uss flat dom. gr 8 b18.22.1177
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Bostwick INUSS Flat WasherSteelZinc/Clear1 1/81-1/8 uss flat washer-zinc900
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Bostwick INUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 hard uss f/w extrathick zinc/yellow200
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THRDFASTOKUSS Flat WasherSteelGalvanized1 1/8USS f/w hdg b18.22.11
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LightningLAUSS Flat WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1 1/8astm f844 USS flat tfe blue410
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3Q, Inc.ILUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.15885
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LightningLAUSS Flat WasherSteelGalvanized1 1/8astm f844 USS flat371
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EmpireWAUSS Flat WasherSteelPlain1 1/81 1/8 (#) uss flat washer pln11
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SWACOOHUSS Flat WasherSteelZinc/Clear1 1/81-1/8 uss flt wash stl zp72
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EmpireWAUSS Flat WasherSteelZinc/Clear1 1/81-1/8 (#) uss flat washer zp18
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EmpireWAUSS Flat WasherSteelPlain1 1/81-1/8 uss flat washr h.d.g350
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THRDFASTALUSS Flat WasherGrade 8Plain1 1/8gr 8 USS f/w b18.22.17
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Valley NuWAUSS Flat WasherSteelZinc/Black1 1/8(2 3/4 od) USS cut zb95
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Bostwick INUSS Flat WasherSteelZinc/Yellow1 1/81-1/8 hard uss f/w extrathick zinc/yellow25
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HodellOHUSS Flat WasherSteelPlain1 1/81 1/8 uss fl wash pln140
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CIFILUSS Flat WasherGrade 2Zinc/Clear1 1/81 1/8 flat uss grade 2 zinc plated (162) ()162
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THRDFASTALUSS Flat WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1 1/8USS f/w teflon blue b18.22.1148
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Valley NuWAUSS Flat WasherSteelPlain1 1/8(2 3/4od) uss39
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ASFCORPMIUSS Flat WasherSteelPlain1 1/81 1/8 uss flt wshr pkg10
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Valley NuWAUSS Flat WasherSteelGalvanized1 1/8(2 3/4od) USS hdg246
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Alma BoltMIUSS Flat WasherSteelGalvanized1 1/8USS pattern hdg flat368
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Valley NuWAUSS Flat WasherSteelPlain1 1/8hard USS cut pl1
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LightningLAUSS Flat WasherSteelZinc/Clear1 1/8astm f844 USS flat429
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HodellOHUSS Flat WasherGrade 8Plain1 1/81 1/8 gr 8 uss flat ()32
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