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 
BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 7 1/2a325 hvy bolt dom35
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 4 1/21 3/8-6 x 4 1/2 a325 hvy bolt dom. ty 3 b18.2.1 b18.2.616
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 3 3/4a325 hdg domestic6
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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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HodellOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 5 1/21 3/8-6 x 5 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 3 1/21 3/8-6 x 3 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 3/8-6 x 2 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 4 3/41 3/8-6 x 4 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 7/4491 3/8-6x7 a325/449 hvy h/b dom w/2 1/4 thread length hot dip (full certs including test after plate)21
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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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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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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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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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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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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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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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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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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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HOUSEFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 6 1/4a325 h/bdom195
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HOUSEFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 5 1/2a325 h/bhdg dom78
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MasFasCorpNVHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 3 1/2a325 str/binquire
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MasFasCorpNVHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 4a325 str/binquire
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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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JacksonMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 4a325 h/b hot dip1
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JacksonMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 6 1/2a325 h/b3
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CIFILHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 3/8-6 x 7 1/4heavy , a325, hot dip16
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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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Valley NuWAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 7a325 hvy h/b pl usa1
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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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System 22PAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 3/8-6 x 5 1/2heavy astm a325 usa74
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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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