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4 1/2 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.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 4 1/23/4-10x4 1/2 a325 bolt hdg full thread b18.2.1 b18.2.612
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GLFOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 4 1/25/8-11x4-1/2-a325-type 1-partial thread-hex head structural bolt-hot dip galvanized b18.2.1 b18.2.6 () () ()212
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GLFOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 4 1/23/4-10x4-1/2 hvy hex hd bolt a325 stl pln b18.2.1 b18.2.6 ()119
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/4-7 x 4 1/21-1/4-7x4-1/2 heavy hex bolt 3 thread f3125 grade a325-type-1 hot dipped galvanized 3/8 hole drilled-3/8 off end domestic b18.2.1 b18.2.65
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 4 1/25/8-11x4 1/2 hvy hex bolt a325 hdg dom b18.2.1 b18.2.62
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 4 1/23/4-10x4 1/2 hvy hex bolt a325 hdg imp b18.2.1 b18.2.6154
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 4 1/23/4-10x4 1/2 heavy hex bolt a325 hdg b18.2.1 b18.2.6197
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/8-7 x 4 1/21-1/8-7x4-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.639
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1 1/4-7 x 4 1/21-1/4-7x4-1/2 heavy hex bolt f3125 grade a325-type-3 plain finish domestic b18.2.1 b18.2.678
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/4-7 x 4 1/21-1/4-7x4-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.61185
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/4-7 x 4 1/21-1/4-7x4-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.690
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1 1/2-6 x 4 1/21-1/2-6x4-1/2 heavy hex bolt f3125 grade a325-type-1 plain finish domestic b18.2.1 b18.2.68
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1 1/2-6 x 4 1/21-1/2-6x4-1/2 heavy hex bolt f3125 grade a325-type-3 plain finish domestic b18.2.1 b18.2.6247
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 4 1/21-8x4-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.671
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 4 1/21-8x4-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.68
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 4 1/21-8x4-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.6428
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 4 1/25/8-11x4 1/2 a325 hvy hex bolt hdg domestic b18.2.1 b18.2.6181
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 4 1/27/8-9x4 1/2 a325 hvy hex bolt domestic hdg b18.2.1 b18.2.6149
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 4 1/27/8-9x4 1/2 a325 hvy hex bolt domestic hdg b18.2.1 b18.2.62049
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 x 4 1/21x4 1/2 a325-1 hdg hhcs dom. b18.2.1 b18.2.69
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 x 4 1/21x4 1/2 a325-1 hdg hhcs dom. b18.2.1 b18.2.61
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4-7 x 4 1/21 1/4-7x4 1/2 a325 hvy hex bolt hdg domestic b18.2.1 b18.2.625
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4-7 x 4 1/21 1/4-7x4 1/2 a325 hvy hex bolt hdg domestic b18.2.1 b18.2.690
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Pac BoltBCHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4 x 4 1/21-1/4 x 4-1/2 a325 assy galv b18.2.1 b18.2.6595
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Pac BoltBCHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4 x 4 1/23/4 x 4-1/2 a325 assy galv b18.2.1 b18.2.6501
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4 x 4 1/23/4 x 4 1/2 a325 hex bolts plain b18.2.1 b18.2.6107
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 x 4 1/21 x 4 1/2 a325 hex bolts galv domestic b18.2.1 b18.2.614
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 x 4 1/21 x 4 1/2 a325 hex bolts plain b18.2.1 b18.2.6138
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8 x 4 1/21 1/8 x 4 1/2 a325 hex bolts type-3 plain b18.2.1 b18.2.620
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8 x 4 1/27/8 x 4 1/2 a490 hex bolts plain b18.2.1 b18.2.6494
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4 x 4 1/21 1/4 x 4 1/2 a490 hex bolts plain b18.2.1 b18.2.61
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8 x 4 1/25/8 x 4 1/2 a325 hex bolts galv b18.2.1 b18.2.6505
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BHAMTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 4 1/21 1/8-7 x 6 tc assem(rd) a490 import A-490 b18.2.1 b18.2.641
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BHAMTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 4 1/21 1/8-7 x 5 1/2 tc assem(rd) a490 A-490 b18.2.1 b18.2.6121
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BHAMTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 4 1/21 1/8-7 x 3 tc assem(rd) a490 import A-490 b18.2.1 b18.2.6127
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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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BHAMTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 4 1/21 1/8-7 x 5 tc assem(rd) a490 import A-490 b18.2.1 b18.2.650
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BHAMTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/2-6 x 4 1/21 1/2-6x4 1/2 a325 hvy bolt dom. pln b18.2.1 b18.2.62
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BHAMTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 4 1/21 1/8-7 x 4 tc assem(rd) a490 import A-490 b18.2.1 b18.2.687
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BHAMFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4 x 4 1/23/4x4-1/2 a325 w/nut hdg b18.2.1 b18.2.66
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OSSCORIHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 4 1/27/8-9x4 1/2 a325 structural bolt h.d.g. b18.2.1 b18.2.6114
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1/2-13 x 4 1/21/2-13 x 4 1/2 hvy hex bolt a325 hdg dom b18.2.1 b18.2.6184
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1-8 x 4 1/21-8 x 4-1/2 heavy hex bolt f3125 grade a325-type-3 plain finish domestic b18.2.1 b18.2.683
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 4 1/23/4-10x4 1/2 a325 hvy hex bolt hdg domestic b18.2.1 b18.2.6173
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4 x 4 1/21 1/4x4 1/2nc mech galv a325 c/s b18.2.1 b18.2.655
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 4 1/23/4-10 x 4-1/2 a325 bolt and nut assy hdg b18.2.1 b18.2.6280
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Bostwick INHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain5/8-11 x 4 1/25/8-11 x 4 1/2 a325 structural bolt (no nut) b18.2.1 b18.2.660
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Bostwick INHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 4 1/23/4-10 x 4-1/2 a325 structural bolt domestic b18.2.1 b18.2.627
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Bostwick INHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 4 1/21-8 x 4 1/2 a325 structural bolt (no nut) full thr b18.2.1 b18.2.61
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Bostwick INHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain5/8-11 x 4 1/25/8-11 x 4 1/2 a325 structural bolt (no nut) h.d.g b18.2.1 b18.2.615
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 4 1/21-8 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.6105
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 4 1/21-8 x 4-1/2 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)SteelPlain1 1/2-6 x 4 1/21-1/2-6 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 plain b18.2.1 b18.2.65
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/2-6 x 4 1/21-1/2-6 x 4-1/2 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)SteelGalvanized1 1/4-7 x 4 1/21-1/4-7 x 4-1/2 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)SteelGalvanized1 1/4-7 x 4 1/21-1/4-7 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.6245
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/8-7 x 4 1/21-1/8-7 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.68
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/8-7 x 4 1/21-1/8-7 x 4-1/2 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)SteelGalvanized1/2-13 x 4 1/21/2-13 x 4-1/2 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)SteelPlain1/2-13 x 4 1/21/2-13 x 4-1/2 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 4 1/21/2-13 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.614
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1/2-13 x 4 1/21/2-13 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 plain b18.2.1 b18.2.6175
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 4 1/23/4-10 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.61,001
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 4 1/23/4-10 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.677
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 4 1/25/8-11 x 4-1/2 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)SteelGalvanized5/8-11 x 4 1/25/8-11 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.6473
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 4 1/27/8-9 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.690
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 4 1/27/8-9 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.6502
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 4 1/25/8-11 x 4-1/2 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)SteelPlain1-8 x 4 1/21-8 x 4-1/2 a325 (f3125) heavy hex structural bolt type-1 plain b18.2.1 b18.2.63
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 4 1/2a325 type-1 structural b18.2.1 b18.2.6102
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 4 1/2a325 type-1 str/b b18.2.1 b18.2.6 domestic93
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 4 1/2a325 type-1 structural b18.2.1 b18.2.668
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 4 1/2a325 type-1 str/b b18.2.1 b18.2.6 domestic60
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 4 1/2a490 str/b b18.2.1 b18.2.658
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 4 1/2a490 str/b b18.2.1 b18.2.612
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 4 1/2a325 type-1 structural b18.2.1 b18.2.6 domestic6
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 4 1/2a325 type-1 structural b18.2.1 b18.2.65
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 4 1/2a490 str/b b18.2.1 b18.2.657
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 4 1/2a490 str/b b18.2.1 b18.2.6 domestic56
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 4 1/2a325 type-1 structural b18.2.1 b18.2.6 domestic29
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 4 1/2a325 type-1 structural b18.2.1 b18.2.6 domestic17
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 4 1/2a325 type-1 structural b18.2.1 b18.2.62
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 4 1/2a325 type-1 structural b18.2.1 b18.2.63
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 4 1/2a325 type-1 structural b18.2.1 b18.2.61
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 4 1/2a325 type-1 structural b18.2.1 b18.2.628
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THRDFASTALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/2-6 x 4 1/2altered a325 rt2.5 hdg b18.2.1 b18.2.642
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THRDFASTALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 4 1/2a490 str/b b18.2.1 b18.2.642
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THRDFASTALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 4 1/2a325 type-1 structural b18.2.1 b18.2.6 domestic38
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THRDFASTALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 4 1/2a490 str/b b18.2.1 b18.2.625
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KBSTNHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 4 1/27/8-9 x 4 1/2 a325 struct.bolt no nut b18.2.1 b18.2.6848
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KBSTNHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 4 1/21-8 x 4 1/2 a490 struct.bolt no nut b18.2.1 b18.2.658
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 4 1/2a325 type-1 str/b hdg b18.2.1 b18.2.64
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelZinc/Yellow5/8-11 x 4 1/2a325 type-1 str/b z&y domestic b18.2.1 b18.2.6205
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 4 1/2a325 type-1 str/b domestic b18.2.1 b18.2.62
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 4 1/2a325 type-1 str/b hdg b18.2.1 b18.2.617
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THRDFASTMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/2-6 x 4 1/2altered a325 rt2.5 hdg b18.2.1 b18.2.612
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 4 1/2a325 type-1 str/b hdg b18.2.1 b18.2.631
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain5/8-11 x 4 1/2a325 type-1 str/b domestic b18.2.1 b18.2.64
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WSBKYHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 4 1/2blt hex a325 (hdg) 1-8x4 1/2 usa b18.2.1 b18.2.696
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WSBKYHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain5/8-11 x 4 1/2blt hex struc st a325 (pl) 5/8-11x4 1/2 b18.2.1 b18.2.6337
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WSBKYHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 4 1/2blt hex struc st a325 (hdg) 7/8-9x4 1/2 b18.2.1 b18.2.6199
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WSBKYHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 4 1/2blt hex struc st a325 (hdg) 7/8-9x4 1/2 b18.2.1 b18.2.6319
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