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1 3/8 Structural Bolts

Heavy Hex Structural bolts are designed for high-strength steel to steel structural connections. Dimensionally, hex structural bolts are covered by the ASME B18.2.6 standard, and the material specifications are now covered by ASTM F3125 which replaced ASTM A325 and A490. In metric use, structural bolts are covered by DIN 6914, DIN EN 14399-4, ISO 7412 and material Classes 8.8 and 10.9.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
OSSCORIHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 2 1/21 3/8-6x2 1/2 a325 structural bolt b18.2.1 b18.2.63
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 2 1/21 3/8-6x2 1/2 a325 heavy hex bolt domestic hot dip galv1
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 2 1/21 3/8-6x2 1/2 a325 heavy hex bolt domestic hot dip galv1
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 3a325 hvy bolt dom.. hdg4
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 3 1/41-3/8-6x3-1/4 a490 hvy hex bolt b18.2.1 b18.2.63
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 3 1/21 3/8-6 x 3 1/2 a325 hvy bolt dom pln b18.2.1 b18.2.64
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 3 1/21 3/8-6x3 1/2 a325 heavy hex bolt domestic hot dip galv1
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 3 1/21 3/8-6x3 1/2 a325 heavy hex bolt domestic hot dip galv1
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JacksonMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 4a325 h/b hot dip1
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LibertyILHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 4hex a325 str/b40
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 41-3/8-6 x 4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.613
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BHAMTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 41 3/8-6x4 a325 hvy bolt dom. pln b18.2.1 b18.2.62
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 41 3/8-6x4 a325 heavy hex bolt hot dipgalv domestic7
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 41 3/8-6x4 a325 heavy hex bolt hot dip galv domestic7
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 3/8-6 x 4 1/41-3/8-6x4-1/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.64
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 4 1/41-3/8-6 x 4-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.61
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 4 1/41-3/8-6 x 4-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.62
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 4 1/41 3/8-6x4 1/4 a325 hvy hex bolt dom.hdg tested3
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 4 1/4a325 type-1 str/b hdg b18.2.1 b18.2.644
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 4 1/41 3/8-6x4 1/4 a325 heavy hex bolt domestic hot dip galv3
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 4 1/41 3/8-6x4 1/4 a325 heavy hex bolt domestic hot dip galv3
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BHAMTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 4 1/21 3/8-6x4 1/2 a325 hvy bolt dom. pln b18.2.1 b18.2.63
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 3/8-6 x 4 3/41-3/8-6x4-3/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.64
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 4 3/4a325 type-1 structural b18.2.1 b18.2.6 domestic20
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 4 3/41 3/8-6x4 3/4 a325 heavy hex bolt domestic hot dip galv1
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 4 3/41 3/8-6x4 3/4 a325 heavy hex bolt domestic hot dip galv1
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JacksonMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 51/2 a325 h/b hot dip4
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Valley NuWAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 5a325 hvy h/b hdg usa2
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 51 3/8-6x5 a325 hvy bolt dom. ty 3 b18.2.1 b18.2.67
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 51-3/8-6 x 5 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.62
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 51 3/8-6x5 a325 heavy hex bolt domestic hot dip galv1
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 51 3/8-6x5 a325 heavy hex bolt domestic hot dip galv1
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 3/8-6 x 5 1/41-3/8-6x5-1/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.62
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 5 1/4a325 type-1 structural b18.2.1 b18.2.6 domestic8
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8 x 5 1/41 3/8x5 1/4 a325 hex bolt plain finish b18.2.1 b18.2.628
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System 22PAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 5 1/2heavy astm a325 usa74
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 5 1/21 3/8-6x5 1/2 a325 heavy hex bolt import hdg1
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 5 1/21 3/8-6x5 1/2 a325 heavy hex bolt import hdg1
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 3/8-6 x 61-3/8-6x6 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.63
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THRDFASTALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 6a325 type-1 str/b b18.2.1 b18.2.62
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 6 1/21 3/8-6x6 1/2 hvy hex bolt a325 hdg domestic b18.2.1 b18.2.62
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 6 1/21 3/8-6x6 1/2 a325 hdg bolt & nut b18.2.1 b18.2.64
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JacksonMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 6 1/2a325 h/b4
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Valley NuWAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 7a325 hvy h/b pl usa1
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CIFILHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 7 1/41 3/8-6x7 1/4 heavy hex bolt a325 hot dip galvanized (16) (16) (16) ()16
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Dan-LocTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 81 3/8-6 x 8 bolt hex hd a325 hdg267
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 3/8-6 x 8 1/21-3/8-6 x 8-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized 1/4 hole drilled-3/8 off end domestic b18.2.1 b18.2.62
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 101 3/8-6x10 a325 hvy hex bolt pln dom11
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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 101 3/8-6x10 a325 hvy hex bolt pln dom11
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 3/8-6 x 11 1/21-3/8-6 x 11-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized 1/4 hole drilled-3/8 off end domestic b18.2.1 b18.2.62
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LibertyILHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 12heavy h/b a490 str/b a490 structural bolt6
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JacksonMSHeavy Hex Structural Bolt (A325, A490, 10.9)Plain1-3/8-6 x 7-1/2 a325 hex bolt plain25
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AmericanNYHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8 x 5 1/2 3251 3/8 x 5 1/2 a325 str/b and nuts4
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)Plain1 3/8-6 x 10 1/2 a325 hvy bolt dom. pln |42
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)Galvanized1 3/8 x 5 1/2 a325 hex bolt mech galv |38
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)Galvanized1 3/8-6 x 7 a325 hvy bolt dom. hdg5
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