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5/16 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".
65 results, (click on any line for more information)
| Buy F436 Round Structural Washers from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| WDMB | IA | F436 Round Structural Washer | Steel | Plain | .344 x .625 x .063 | flat f436 (pl) .344x.625x.063 drw (W0L0) | 71984 |
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| ASMC | IL | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 x 11/16 | 5/16x11/16 grf436 round structural washer med carb yz b18.2.6 | 900 |
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| ASMC | IL | F436 Round Structural Washer | Steel | Galvanized | 5/16 x 11/16 | grf436 round structural med carb hdg | 5,200 |
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| ASMC | IL | F436 Round Structural Washer | Steel | Plain | 5/16 x 11/16 | grf436 round structural med carb | 8,650 |
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| SWACO | OH | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 x 11/16 | 5/16x11/16 f436 str. f/w y/z | 6599 |
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| HBBOLT | CA | F436 Round Structural Washer | Steel | Zinc/Clear | 5/16 x 33 | 5/16 f436 sae hardened flat usa astm b633 ty vi sc3 clear zinc triv | 660 |
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| Ababa | CA | F436 Round Structural Washer | Steel | Plain | 5/16 | 5/16 astm f436 hard f/w dom strctrl pln b18.2.6 | 41 |
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| QFC | TX | F436 Round Structural Washer | Steel | Galvanized | 5/16 | 5/16 hardened f436 hdg b18.2.6 | 6189 |
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| QFC | TX | F436 Round Structural Washer | Steel | Galvanized | 5/16 | 5/16 f436 hard f/w hdg dom b18.2.6 | 6952 |
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| QFC | TX | F436 Round Structural Washer | Steel | Galvanized | 5/16 | 5/16 f436 sae hard flat hdg b18.2.6 | 500 |
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| QFC | TX | F436 Round Structural Washer | Steel | Galvanized | 5/16 | 5/16 f436 sae hard flat hdg b18.2.6 | 1020 |
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| QFC | TX | F436 Round Structural Washer | Steel | Galvanized | 5/16 | 5/16 f436 sae hard flat hdg b18.2.6 | 7940 |
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| QFC | TX | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 f436 hard yellow zinc b18.2.6 | 71611 |
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| TownCountry | AR | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | flat f436 hard round | 7000 |
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| RCFast | AZ | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 flat f436 zinc yellow cr+6 (5/16x11/16) | 500 |
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| WDMB | IA | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | flat f436 (zy) 5/16 (W000) | 22,549 |
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| SunPack | FL | F436 Round Structural Washer | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 5/16 | 5/16 f436 structural flat ptfe blue | 4 |
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| SunPack | FL | F436 Round Structural Washer | Steel | Plain | 5/16 | 5/16 f436 structural flat plain | 1 |
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| SunPack | FL | F436 Round Structural Washer | Steel | Galvanized | 5/16 | 5/16 f436 structural flat hdg | 87 |
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| SunPack | FL | F436 Round Structural Washer | Steel | Plain | 5/16 | 5/16 f436 structural flat sermagard 1105/1280 | 4 |
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| MESAFAST | CA | F436 Round Structural Washer | Steel | Zinc/Clear | 5/16 | SAE f-436 flat hard gold | 219.0 |
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| MESAFAST | CA | F436 Round Structural Washer | Steel | Zinc/Clear | 5/16 | USS f436 flat hard gold | 253.0 |
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| Wurth Ada | MN | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | washer flat f436 (zy) 5/16 | 29,726 |
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| SunPack | FL | F436 Round Structural Washer | Steel | Galvanized | 5/16 | 5/16 f436 structural flat washer hdg | 66 |
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| CIF | IL | F436 Round Structural Washer | Steel | Galvanized | 5/16 | 5/16 flat f436 structural hot dip galvanized (3962) (3962) (2212) () | 2212 |
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| CIF | IL | F436 Round Structural Washer | Steel | Plain | 5/16 | 5/16 flat f436 plain (hardened) (5200) (5200) (5251) () | 5251 |
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| OBRIEN | OH | F436 Round Structural Washer | Steel | Plain | 5/16 | SAE f/w f436 | 1400 |
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| Endries | WI | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 f436 hardened flat yellow zinc | 3000 |
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| Lippin | CA | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | flat washer uss f436 hardened yellow zinc | 5500 |
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| CNB | IL | F436 Round Structural Washer | Steel | Plain | 5/16 | f436 structural | 490 |
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| WDMB | IA | F436 Round Structural Washer | Steel | Plain | 5/16 | flat f436 (pl) 5/16 (W030) | 10,000 |
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| BHAM | AL | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 f436 flat zinc yellow b18.2.6 | 938 |
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| ASFCORP | MI | F436 Round Structural Washer | Steel | Zinc/Clear | 5/16 | 5/16 f436 ty 1 flt wshr tri zn dich fe/zn 5cn pkg | 500 |
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| ASFCORP | MI | F436 Round Structural Washer | Steel | Plain | 5/16 | 5/16 f436 ty 1 flt wshr | 6,000 |
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| ZAL INDUS | CA | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 flat washer f436 znc yel | 4,950 |
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| ZAL INDUS | CA | F436 Round Structural Washer | Steel | Black Oxide | 5/16 | 5/16 flat washer f436 bl/ox lacq | 100 |
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| ZAL INDUS | CA | F436 Round Structural Washer | Steel | Zinc/Clear | 5/16 | 5/16 a325 flat washer pltd | 50 |
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| WDMB | IA | F436 Round Structural Washer | Steel | Galvanized | 5/16 | flat f436 st (hdg) 5/16 (W020) | 16,000 |
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| FastWare | Sask | F436 Round Structural Washer | Steel | Plain | 5/16 | f436 structural flat | 46 |
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| KBS | TN | F436 Round Structural Washer | Grade 8 | Plain | 5/16 | 5/16 f436 sae extra thk gr 8 flat/w b18.2.6 | 3,243 |
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| Liberty | IL | F436 Round Structural Washer | Steel | Galvanized | 5/16 | a325 structural anized | 240 |
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| HBBOLT | CA | F436 Round Structural Washer | Steel | Plain | 5/16 | f436 f/w sae | 13,836 |
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| HBBOLT | CA | F436 Round Structural Washer | Steel | Zinc/Clear | 5/16 | f436 SAE flat [] | 4,096 |
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| HBBOLT | CA | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | f436, f/w uss | 2,572 |
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| SunPack | FL | F436 Round Structural Washer | Steel | Plain | 5/16 | f436 structural flat sermagard 1105/1280 | 32 |
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| IPC | VA | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 f436 structural steel zinc yellow | 6,198 |
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| Big Red | OK | F436 Round Structural Washer | Steel | Zinc/Clear | 5/16 | 5/16 f436 hardened flat washers zinc plated domestic | 80 |
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| Big Red | OK | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 f436 hardened flat washers yellow zinc | 3,030 |
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| Big Red | OK | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 astm f436 hardened flat washers extra thick (.090-.110) yellow zinc plated | 5,550 |
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| Big Red | OK | F436 Round Structural Washer | Steel | Zinc/Clear | 5/16 | 5/16 f436 hardened flat washers zinc plated | 520 |
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| Big Red | OK | F436 Round Structural Washer | Steel | Plain | 5/16 | 5/16 f436 hardened flat washers plain finish | 1,074 |
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| MESAFAST | CA | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | SAE f436 flat hardened | 300.0 |
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| NAPPCO | TX | F436 Round Structural Washer | Steel | Plain | 5/16 | 5/16 rdflathardenedsteelstructural (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) | 414 |
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| SunPack | FL | F436 Round Structural Washer | Steel | Plain | 5/16 | f436 structural flat | 1 |
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| SunPack | FL | F436 Round Structural Washer | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 5/16 | f436 structural flat ptfe blue | 4 |
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| Empire | WA | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16-1 | 5/16(1cpk)xthk f436 sae f/w yz | 100 |
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| Infasco D | TX | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 f436-1 structural washer std zy+b4 bolt size | 270000 |
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| Infasco D | GA | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 f436-1 structural washer std zy+b4 bolt size | 270000 |
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| Empire | WA | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | 5/16 f436 sae flat washer yzp | 79 |
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| Fastener | OH | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | flat f436 5/16 zinc yellow domestic | 30 |
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| Lightning | LA | F436 Round Structural Washer | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 5/16 | f436 flat tfe blue | 334 |
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| Delta | TX | F436 Round Structural Washer | Grade 8 | Zinc/Clear | 5/16 | flat SAE f436/gr 8 5/16 (0.688 OD) | 8759 |
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| Fastener | OH | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16 | flat 5/16 f436 zinc yellow plated | 800 | |
| Hodell | OH | F436 Round Structural Washer | Steel | Galvanized | 5/16 | 5/16 f436 flat hdg | 187 |
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| AFI | FL | F436 Round Structural Washer | Steel | Zinc/Yellow | 5/16-24 | 5/16-24 f436 structural st zd () () | 5800 |
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