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3 3/4 inch length Structural Bolts (ASME B18. 2.1)

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.

113 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 3/43/4-10x3-3/4 hvy hex hd bolt a325 stl hdg b18.2.1 b18.2.6 () () ()152
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GLFOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 3/41-8x3-3/4 hvy hex hd bolt a325 stl hdg b18.2.1 b18.2.6 () () ()118
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GLFOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 3/43/4-10x3-3/4 hvy hex hd bolt a325 stl pln b18.2.1 b18.2.6 () () ()40
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GLFOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 3/43/4-10x3-3/4 hvy hex hd bolt w/nut & washer a325 stl pln b18.2.1 b18.2.6 () () ()1
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GLFOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 3/41-1/4-7x3-3/4 hvy hex hd bolt a325 stl pln b18.2.1 b18.2.6 () () ()189
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4 x 3 3/41-1/4x3-3/4 a490 hvy hex bolt type-3 b18.2.1 b18.2.690
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 3/45/8-11x3 3/4 a325 hvy bolt hdg b18.2.1 b18.2.620
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 3/45/8-11x3 3/4 hvy hex bolt a325 hdg b18.2.1 b18.2.62
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 3/43/4-10x3 heavy hex bolt a325 hdg 1 3/4 thd b18.2.1 b18.2.635
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 3/43/4-10x3 3/4 hvy hex bolt a325 hdg imp b18.2.1 b18.2.659
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 3/43/4-10x3 3/4 heavy hex bolt a325 hdg b18.2.1 b18.2.6190
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 3 3/47/8-9x3 3/4 heavy hex bolt a325 hdg b18.2.1 b18.2.6214
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1-8 x 3 3/41-8x3-3/4 heavy hex bolt f3125 grade a325-type-3 plain finish domestic b18.2.1 b18.2.6369
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/2-6 x 3 3/41-1/2-6x3-3/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.683
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/4-7 x 3 3/41-1/4-7x3-3/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.61979
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1 1/4-7 x 3 3/41-1/4-7x3-3/4 heavy hex bolt f3125 grade a325-type-3 plain finish domestic b18.2.1 b18.2.640
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 3/43/4-10x3 3/4 a325 hvy hex bolt hdg domestic b18.2.1 b18.2.6241
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 x 3 3/41x3 3/4 a325-1 hdg hcs dom. b18.2.1 b18.2.693
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 x 3 3/41x3 3/4 a325-1 hdg hcs dom. b18.2.1 b18.2.6100
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 x 3 3/41x3 3/4 a325-1 hdg hcs dom. b18.2.1 b18.2.638
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 x 3 3/41x3 3/4 a325-1 hdg hcs dom. b18.2.1 b18.2.6261
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4 x 3 3/41 1/4x3 3/4 a325-1 hdg h/b dom b18.2.1 b18.2.659
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4 x 3 3/41 1/4x3 3/4 a325-1 hdg h/b dom b18.2.1 b18.2.611
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/2 x 3 3/41 1/2x3 3/4 hvy hex bolt a325 hdg b18.2.1 b18.2.67
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/2 x 3 3/41 1/2x3 3/4 hvy hex bolt a325 hdg b18.2.1 b18.2.611
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/2 x 3 3/41 1/2x3 3/4 hvy hex bolt a325 hdg b18.2.1 b18.2.637
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 3/41-8x3-3/4 hvy hex bolt a325 mech galv domestic pa dot b18.2.1 b18.2.6169
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Pac BoltBCHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4 x 3 3/43/4 x 3-3/4 a325 assy galv b18.2.1 b18.2.6240
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Pac BoltBCHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 x 3 3/41 x 3-3/4 a325 assy b/m b18.2.1 b18.2.6713
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 x 3 3/41 x 3 3/4 a325 hex bolts plain b18.2.1 b18.2.698
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1/2 x 3 3/41/2 x 3 3/4 a325 hex bolts plain b18.2.1 b18.2.612
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8 x 3 3/45/8 x 3 3/4 a325 hex bolts galv b18.2.1 b18.2.656
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BHAMTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 3/43/4-10x3 3/4 a325 heavy bolt assembly b18.2.1 b18.2.62
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BHAMFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/8-7 x 3 3/41 1/8-7x3 3/4 a325 hex bolt h.d.g. b18.2.1 b18.2.685
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OSSCORIHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 3/47/8-9x3 3/4 a325 structural bolt b18.2.1 b18.2.616
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 3/41-8x3 3/4 a325 hvy hex bolt plain b18.2.1 b18.2.6119
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 3/45/8-11 x 3 3/4 hvy hex bolt a325 hdg imp b18.2.1 b18.2.6398
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 3/43/4-10 x 3 3/4 hvy hex bolt a325 ty. 3 b18.2.1 b18.2.65
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1/2-13 x 3 3/41/2-13x3 3/4 a325 hvy hex bolt hdg domestic b18.2.1 b18.2.6134
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 3/45/8-11 x 3-3/4 heavy hex bolt hdg a325 domestic b18.2.1 b18.2.66
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 3/41-8x3 3/4 hvy hex bolt a325 hdg b18.2.1 b18.2.6125
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Bostwick INHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 3/47/8-9 x 3 3/4 a325 structural bolt (no nut) h.d.ga b18.2.1 b18.2.6170
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Bostwick INHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain5/8-11 x 3 3/45/8-11 x 3 3/4 a325 structural bolt (no nut) b18.2.1 b18.2.620
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 3/41-8 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.615
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 3/41-8 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.65
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/2-6 x 3 3/41-1/2-6 x 3-3/4 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)SteelPlain1 1/2-6 x 3 3/41-1/2-6 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 plain usa/canada b18.2.1 b18.2.64
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4-7 x 3 3/41-1/4-7 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.6236
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/8-7 x 3 3/41-1/8-7 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.617
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1/2-13 x 3 3/41/2-13 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.6inquire
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1/2-13 x 3 3/41/2-13 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 plain usa/canada b18.2.1 b18.2.6inquire
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1/2-13 x 3 3/41/2-13 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.6inquire
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 3/43/4-10 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.6inquire
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 3/43/4-10 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.684
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 3/45/8-11 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.6228
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 3/45/8-11 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.6inquire
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 3 3/47/8-9 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.62
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 3 3/47/8-9 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.64
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4-7 x 3 3/41-1/4-7 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.643
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 3/41-8 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 plain b18.2.1 b18.2.682
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 3/41-8 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 plain usa/canada b18.2.1 b18.2.6inquire
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 3/41-1/4-7 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 plain b18.2.1 b18.2.6110
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 3/41-1/4-7 x 3-3/4 a325 (f3125) heavy hex structural bolt type-1 plain usa/canada b18.2.1 b18.2.65
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NWFASTTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 3 3/47/8-9 x 3 3/4 heavy hex bolt a490 alloy steel mechanically galvanized b18.2.1 b18.2.639
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 3/4a325 type-1 structural b18.2.1 b18.2.62,000
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 3 3/4a325 type-1 structural b18.2.1 b18.2.630
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 3/4a490 str/b b18.2.1 b18.2.611
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 3/4a490 str/b b18.2.1 b18.2.6 domestic8
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain5/8-11 x 3 3/4a325 type-1 structural b18.2.1 b18.2.66
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 3/4a490 str/b b18.2.1 b18.2.63
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 3/4a325 type-1 structural b18.2.1 b18.2.6267
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 3/4a325 type-1 structural b18.2.1 b18.2.6 domestic92
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 3 3/4a490 str/b b18.2.1 b18.2.6 domestic32
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 3/4a325 type-1 str/b b18.2.1 b18.2.6 domestic4
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 3/4a325 type-1 structural b18.2.1 b18.2.6 domestic2
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 3/4a325 type-1 str/b b18.2.1 b18.2.6 domestic1
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain5/8-11 x 3 3/4a325 type-1 structural b18.2.1 b18.2.6155
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 3/4a325 type-1 str/b b18.2.1 b18.2.640
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/2-6 x 3 3/4a325 type-3 structural b18.2.1 b18.2.6 domestic14
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 3/4a325 type-3 str/b b18.2.1 b18.2.6 domestic4
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 3/4a325 type-1 structural b18.2.1 b18.2.612
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THRDFASTALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/2-6 x 3 3/4altered a325 rt2.5 hdg b18.2.1 b18.2.6102
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THRDFASTALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 3/4a325 sturctural bolt hdg b18.2.1 b18.2.694
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THRDFASTALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 3/4a325 type-1 structural b18.2.1 b18.2.631
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KBSTNHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 3 3/41-1/8-7 x 3 3/4 a325 struct.bolt no nut b18.2.1 b18.2.672
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KBSTNHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 3/41-8 x 3 3/4 a325 struct.bolt no nut b18.2.1 b18.2.685
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelZinc/Yellow3/4-10 x 3 3/4a325 type-1 str/b z&y domestic b18.2.1 b18.2.632
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 3/4a325 type-1 str/b domestic b18.2.1 b18.2.66
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THRDFASTMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 3/4a325 type-1 str/b w/nut hdg b18.2.1 b18.2.636
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THRDFASTMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 3/4a325 type-1 str/b hdg b18.2.1 b18.2.664
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelZinc/Clear7/8-9 x 3 3/4a325 type-1 str/b domestic b18.2.1 b18.2.63
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelZinc/Clear3/4-10 x 3 3/4a325 type-1 str/b domestic b18.2.1 b18.2.64
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THRDFASTMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 3/4a325 type-1 str/b hdg b18.2.1 b18.2.64
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 3/4a325 type-1 str/b hdg b18.2.1 b18.2.632
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WSBKYHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 3 3/4blt hex struc st a325 (hdg) 7/8-9x3 3/4 b18.2.1 b18.2.61,265
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