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1 3/8 F436 Round Structural Washers

F436 Hardened Round Structural Washers, sometimes just called Structural Washers are specified under ASTM F436. These washers are through hardened or carburized to add strength, but are physically smaller than a standard F844 flat washer. Generally the washers comply with the SAE pattern. Available sizes 1/4" through 4".

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
TSFTXF436 Round Structural WasherSteelPlain1 3/8 x 2 3/41 3/8 x2 3/4 f436 structural flat washers medium carbon plain146
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GLFOHF436 Round Structural WasherSteelPlain1 3/8 x 2 3/41-3/8x2-3/4 od flat -f436-plain b18.2.6 () () ()267
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QFCTXF436 Round Structural WasherSteelGalvanized1 3/8-6 x 5 1/41 3/8-6x5 1/4 bolt assembly a325 hdg-lock wash & nut b18.2.612
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HodellOHF436 Round Structural WasherGrade B7Plain1 3/8-8 x 141 1/141 3/8-8x 14(1-1)/14 1/4(e/e) a193 b7 all thread stud plain w/2 a194 2h heavy hex nuts and 2 f436 f/w assembled13
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HodellOHF436 Round Structural WasherGrade B7Plain1 3/8-8 x 141 1/141 3/8-8x 14(1-1)/14 1/4(e/e) a193 b7all thread stud plain w/2 a194 2h heavy hex nuts and 2 f436 f/w assembled13
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JacksonMSF436 Round Structural WasherSteelGalvanized1 3/8a325 flat h.d.g.180
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JacksonMSF436 Round Structural WasherSteelPlain1 3/8f436 structural f/w350
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ACCURATEILF436 Round Structural WasherSteelPlain1 3/8flat s f436 hard structural195
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CNBILF436 Round Structural WasherSteelGalvanized1 3/8f436 structural hot dipped259
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CNBILF436 Round Structural WasherSteelPlain1 3/8astm f436 hardened flat domestic mltd & mfg386
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B & K FASTPAF436 Round Structural WasherSteelPlain1 3/81 3/8 f436 thru-hard flat washers plain b18.2.6382
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QFCTXF436 Round Structural WasherSteelGalvanized1 3/81-3/8 hard structural f436 hdg imp b18.2.6170
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QFCTXF436 Round Structural WasherSteelGalvanized1 3/81 3/8 sae hdg f436 flat b18.2.65
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SunPackFLF436 Round Structural WasherSteelPlain1 3/81-3/8 f436 structural flat plain250
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SunPackFLF436 Round Structural WasherSteelPlain1 3/81-3/8 f436 structural flat plain domestic17
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SunPackFLF436 Round Structural WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1 3/81-3/8 f436 structural flat ptfe blue146
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SunPackFLF436 Round Structural WasherSteelZinc/Clear1 3/81-3/8 f436 structural flat zinc201
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SunPackFLF436 Round Structural WasherSteelPlain1 3/8f436 structural flat domestic119
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SunPackFLF436 Round Structural WasherSteelGalvanized1 3/81-3/8 f436 structural flat hdg238
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GLFOHF436 Round Structural WasherSteelPlain1 3/81-3/8 flat f436 stl pln b18.2.6 () () ()44
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GLFOHF436 Round Structural WasherSteelZinc/Clear1 3/81-3/8 flat f436 stl zc b18.2.6 () () ()221
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THRDFASTFLF436 Round Structural WasherSteelPlain1 3/8f436 type-1 hardened rd wshr b18.2.6 domestic2
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CIFILF436 Round Structural WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1 3/81 3/8 flat f436 xylan coated (219) (219) (219) ()219
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CIFILF436 Round Structural WasherSteelGalvanized1 3/81 3/8 flat f436 hot dip galvanized (1304) (1271) (1274) ()1274
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THRDFASTFLF436 Round Structural WasherSteelPlain1 3/8f436 type-1 hardened rd wshr b18.2.620
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NAPPCOTXF436 Round Structural WasherSteelPlain1 3/81-3/8 rdflatwasherhardenedstlstructural (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)280
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LippinCAF436 Round Structural WasherSteelZinc/Yellow1 3/8flat washer uss f436 hardened yellow zinc117
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LippinCAF436 Round Structural WasherSteelPlain1 3/8flat washer f436 plain140
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THRDFASTMSF436 Round Structural WasherSteelPlain1 3/8f436 type-1 hardened rd wshr b18.2.6 domestic11
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SunPackFLF436 Round Structural WasherPlasticPlain1 3/8f436 structural flat ptfe blue322
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SunPackFLF436 Round Structural WasherSteelZinc/Clear1 3/8f436 structural flat204
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CNBILF436 Round Structural WasherSteelZinc/Yellow1 3/8f436 flat141
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WDMBIAF436 Round Structural WasherSteelPlain1.50flat f436 all (zf) 1.50 spc (W0I0) (W0I0)48
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QFCTXF436 Round Structural WasherSteelGalvanized1 3/81 3/8 f436 mech galv hard wash b18.2.66
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KomarMOF436 Round Structural WasherSteelGalvanized1-3/8 a325 strct.whr(2 3/4x 1 17/32) hot dip galv150
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LibertyILF436 Round Structural WasherSteelPlain1 3/8a325 structural325
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LibertyILF436 Round Structural WasherSteelGalvanized1 3/8a325 structural anized272
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HBBOLTCAF436 Round Structural WasherSteelPlain1 3/8f436 sae168
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SunPackFLF436 Round Structural WasherSteelPlain1 3/8f436 structural flat152
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Big RedOKF436 Round Structural WasherSteelZinc/Clear1 3/81-3/8 f436 hardened flat washers zinc plated106
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Big RedOKF436 Round Structural WasherSteelPlain1 3/81-3/8 f436 hardened flat washers-plain finish364
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Big RedOKF436 Round Structural WasherSteelPlain1 3/81-3/8 f436 structural flat washers plain finish (usa)451
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Big RedOKF436 Round Structural WasherSteelGalvanized1 3/81-3/8 f436 hardened flat washers-galvanized201
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Big RedOKF436 Round Structural WasherSteelGalvanized1 3/81-3/8 f436 structural flat washers hot dip galvanized (usa)337
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Big RedOKF436 Round Structural WasherSteelGalvanized1 3/81-3/8 f436 structural flat washers mechanically galvanized (usa)289
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Big RedOKF436 Round Structural WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1 3/81-3/8 f436 hardened flat washers xylan coated126
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EndriesWIF436 Round Structural WasherSteelPlain1-3/8 f436 hardened flat washer plain159
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Valley NuWAF436 Round Structural WasherSteelGalvanized1 3/8(2 3/4 od) f436 hard hdg usa4
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Valley NuWAF436 Round Structural WasherSteelGalvanized1 3/8(2 3/4 od) f436 hard hdg import1
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HodellOHF436 Round Structural WasherSteelPlain1 3/81 3/8 f436 flat plain846
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THRDFASTOKF436 Round Structural WasherSteelGalvanized1 3/8f436 type-1 hardened rd wshr hdg b18.2.6312
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LightningLAF436 Round Structural WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1 3/8f436 flat tfe blue298
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THRDFASTALF436 Round Structural WasherSteelGalvanized1 3/8f436 type-1 hardened rd wshr hdg b18.2.68
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Valley NuWAF436 Round Structural WasherSteelGalvanized1 3/8(2 3/4 od) f436 hard hdg usa58
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HodellOHF436 Round Structural WasherSteelPlain1 3/81 3/8 f436 flat plain846
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LightningLAF436 Round Structural WasherSteelGalvanized1 3/8f436 hardened flat hot dipped160
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Fastener OHF436 Round Structural WasherSteelGalvanized1 3/8flat 1-3/8 f436 hdg 4
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Alma BoltMIF436 Round Structural WasherSteelGalvanized1 3/8hdg a325 flat (f436)500
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THRDFASTOKF436 Round Structural WasherSteelZinc/Clear1 3/8f436 type-1 hardened rd wshr b18.2.61
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LightningLAF436 Round Structural WasherSteelPlain1 3/8f436 hardened flat466
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Valley NuWAF436 Round Structural WasherSteelPlain1 3/8(2 3/4 od) f436 import50
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THRDFASTALF436 Round Structural WasherSteelGalvanized1 3/8f436 type-1 hardened rd wshr mech b18.2.692
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Fastener OHF436 Round Structural WasherSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)1 3/8flat 1-3/8 f436 blue teflon252
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