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3 1/4 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.

138 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 1/43/4-10x3-1/4 hvy hex hd bolt a325 stl hdg b18.2.1 b18.2.6 () () ()268
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GLFOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 1/43/4-10x3-1/4 hvy hex hd bolt a325 stl pln b18.2.1 b18.2.6 () () ()158
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4 x 3 1/41 1/4x3 1/4 a325 hvy hex bolt b18.2.1 b18.2.612
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GLFOHHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 1/43/4-10x3-1/4 hvy hex hd bolt w/nut & washer a325 stl pln b18.2.1 b18.2.6 () () ()40
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BHAMALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 1/47/8-9x3 1/4 a325 hvy hex bolt dom ty3 b18.2.1 b18.2.6300
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SIIINHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 1/43/4-10 x 3-1/4 a325 heavy hex structural bolt plain) b18.2.1 b18.2.6327
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1/2-13 x 3 1/41/2-13x3 1/4 hvy hex bolt a325 hdg imp b18.2.1 b18.2.6514
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8 x 3 1/45/8x3 1/4 a325 assy hdg bolt nut&lw b18.2.1 b18.2.630
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 1/45/8-11x3 1/4 hvy hex bolt a325 hdg imp b18.2.1 b18.2.6385
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 1/45/8-11x3 1/4 hvy hex bolt a325 hdg dom b18.2.1 b18.2.6144
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 1/43/4-10x3 1/4 heavy hex bolt a325 hdg imp b18.2.1 b18.2.6390
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 1/43/4-10x3 1/4 hvy hex bolt a325 hdg b18.2.1 b18.2.678
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 1/43/4-10x3 1/4 heavy hex bolt a325-t full thread hdg b18.2.1 b18.2.634
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 1/43/4-10x3 1/4 heavy hex bolt a325-t full thread hdg b18.2.1 b18.2.68
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 3 1/41-8x3-1/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.67853
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 3 1/41-8x3-1/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.6299
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 3 1/41-8x3-1/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.64
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1-8 x 3 1/41-8x3-1/4 heavy hex bolt f3125 grade a325-type-3 plain finish domestic b18.2.1 b18.2.61252
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/4-7 x 3 1/41-1/4-7x3-1/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.629
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/4-7 x 3 1/41-1/4-7x3-1/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.6167
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1 1/4-7 x 3 1/41-1/4-7x3-1/4 heavy hex bolt f3125 grade a325-type-3 plain finish domestic b18.2.1 b18.2.685
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1/2-13 x 3 1/41/2-13x3-1/4 a325 hvy hex bolt hdg domestic b18.2.1 b18.2.666
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 1/41-8x3 1/4 hvy hex bolt a325 hdg dom b18.2.1 b18.2.67
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 1/41-8x3 1/4 hvy hex bolt a325 hdg dom b18.2.1 b18.2.6143
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 1/41-8x3 1/4 hvy hex bolt a325 hdg dom b18.2.1 b18.2.626
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4-7 x 3 1/41 1/4-7x3 1/4 hvy hex bolt a325 hdg dom b18.2.1 b18.2.655
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Pac BoltBCHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8 x 3 1/47/8 x 3-1/4 a325 bolt only b/m b18.2.1 b18.2.61801
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Pac BoltBCHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8 x 3 1/45/8 x 3-1/4 a325 bolt only galv b18.2.1 b18.2.6554
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Pac BoltBCHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8 x 3 1/47/8 x 3-1/4 a325 struct bolt only b/m b18.2.1 b18.2.61801
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Pac BoltBCHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/8 x 3 1/41-1/8 x 3-1/4 a325 bolt only galv b18.2.1 b18.2.61247
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8 x 3 1/47/8 x 3 1/4 a325 hex bolts galv b18.2.1 b18.2.6698
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8 x 3 1/47/8 x 3 1/4 a325 hex bolts plain b18.2.1 b18.2.61965
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 x 3 1/41 x 3 1/4 a325 hex bolts galv. b18.2.1 b18.2.643
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 x 3 1/41 x 3 1/4 a325 hex bolts plain b18.2.1 b18.2.614
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 x 3 1/41 x 3 1/4 a325 hex bolts plain domestic b18.2.1 b18.2.6105
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8 x 3 1/41 1/8 x 3 1/4 a325 hex bolts plain b18.2.1 b18.2.6163
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B & K FASTPAHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8 x 3 1/47/8 x 3 1/4 a490 hex bolts plain b18.2.1 b18.2.6550
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OSSCORIHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 1/47/8-9x3 1/4 a325 structural bolt b18.2.1 b18.2.612
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 1/41-8x3 1/4 a325 hvy hex bolt plain b18.2.1 b18.2.6152
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1/2-13 x 3 1/41/2-13 x 3 1/4 hvy hex bolt a325 hdg dom b18.2.1 b18.2.61
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain5/8-11 x 3 1/45/8-11 x 3 1/4 hvy hex bolt a325 type-3 b18.2.1 b18.2.6518
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 3 1/47/8-9 x 3 1/4 hvy hex bolt a325 hdg b18.2.1 b18.2.63
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1-8 x 3 1/41-8 x 3-1/4 heavy hex bolt f3125 grade a325-type-1 plain finish domestic b18.2.1 b18.2.646
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 3 1/41-8 x 3-1/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized 5/16 hole drilled-1/2 off end domestic b18.2.1 b18.2.61
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/8-7 x 3 1/41-1/8-7 x 3-1/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.613
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1 1/2-6 x 3 1/41-1/2-6 x 3-1/4 heavy hex bolt f3125 grade a325-type-3 plain finish domestic b18.2.1 b18.2.612
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 1/45/8-11x3 1/4 a325 hvy hex bolt hdg domestic b18.2.1 b18.2.64
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 1/43/4-10x3 1/4 a325 hvy hex bolt hdg domestic n160617 b18.2.1 b18.2.654
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4 x 3 1/43/4x3 1/4 a325 bolt and nut domestic b18.2.1 b18.2.6260
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8 x 3 1/47/8x3 1/4 hdg a325 bolt b18.2.1 b18.2.629
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 x 3 1/41x3 1/4 a325 hvy hex bolt hdg b18.2.1 b18.2.66
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 1/43/4-10x3 1/4 a325 hvy hex bolt hdg b18.2.1 b18.2.6161
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Bostwick INHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4-7 x 3 1/41 1/4-7 x 3 1/4 a325 struct bolt no nut h.d.galv b18.2.1 b18.2.689
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Bostwick INHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 1/43/4-10 x 3 1/4 a325 structural bolt (no nut) b18.2.1 b18.2.6163
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Bostwick INHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 3 1/41 1/8-7 x 3 1/4 a490 structural bolt (no nut) b18.2.1 b18.2.623
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Bostwick INHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 1/43/4-10 x 3 1/4 a325 struct bolt (no nut) h.d.galv b18.2.1 b18.2.671
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10 .9)SteelGalvanized1-8 x 3 1/41-8 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.6238
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 1/41-8 x 3-1/4 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)SteelGalvanized1 1/4-7 x 3 1/41-1/4-7 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.65
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/8-7 x 3 1/41-1/8-7 x 3-1/4 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)SteelGalvanized1 1/8-7 x 3 1/41-1/8-7 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.682
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1/2-13 x 3 1/41/2-13 x 3-1/4 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)SteelGalvanized1/2-13 x 3 1/41/2-13 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.6720
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1/2-13 x 3 1/41/2-13 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 plain b18.2.1 b18.2.6inquire
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1/2-13 x 3 1/41/2-13 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 plain usa/canada b18.2.1 b18.2.61,441
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 1/43/4-10 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.6300
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 1/43/4-10 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.6691
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 1/45/8-11 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.6101
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized5/8-11 x 3 1/45/8-11 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.6352
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 3 1/47/8-9 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg b18.2.1 b18.2.6357
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 3 1/47/8-9 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 hdg usa/canada b18.2.1 b18.2.6175
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 1/41-8 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 plain usa/canada b18.2.1 b18.2.613
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 1/41-8 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 plain b18.2.1 b18.2.6112
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 1/41-1/4-7 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 plain usa/canada b18.2.1 b18.2.61
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 1/41-1/4-7 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 plain b18.2.1 b18.2.667
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Pac FasTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 3 1/41-1/8-7 x 3-1/4 a325 (f3125) heavy hex structural bolt type-1 plain b18.2.1 b18.2.6329
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NWFASTTXHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 1/43/4-10 x 3 1/4 heavy hex bolt a490 alloy steel plain b18.2.1 b18.2.6200
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 1/4a325 type-1 structural b18.2.1 b18.2.6 domestic334
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 1/4a490 str/b b18.2.1 b18.2.6243
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 1/4a325 type-1 structural b18.2.1 b18.2.6 domestic215
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 1/4a325 type-1 str/b b18.2.1 b18.2.6 domestic198
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 1/4a490 str/b b18.2.1 b18.2.678
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 1/4a325 type-1 structural b18.2.1 b18.2.650
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 1/4a490 str/b w/nut b18.2.1 b18.2.641
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/8-7 x 3 1/4a325 type-1 structural b18.2.1 b18.2.69
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 1/4a490 str/b b18.2.1 b18.2.65
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 1/4a325 type-1 structural b18.2.1 b18.2.63
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 1/4a325 type-1 structural b18.2.1 b18.2.6 domestic241
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 1/4a325 type-1 structural b18.2.1 b18.2.6 domestic155
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 1/4a325 type-1 structural b18.2.1 b18.2.629
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1/2-13 x 3 1/4a325 type-1 structural b18.2.1 b18.2.6 domestic5
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 1/4a325 type-1 structural b18.2.1 b18.2.65
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 1/4a325 type-1 structural b18.2.1 b18.2.65
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 1/4a325 type-1 structural b18.2.1 b18.2.610
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 1/4a325 type-1 str/b b18.2.1 b18.2.6 domestic3
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 1/4a325 type-1 str/b b18.2.1 b18.2.61
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 1/4a325 type-1 structural b18.2.1 b18.2.6285
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KBSTNHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain5/8-11 x 3 1/45/8-11 x 3 1/4 a325 struct.bolt no nut b18.2.1 b18.2.6581
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THRDFASTMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized3/4-10 x 3 1/4a325 type-1 str/b w/nut hdg b18.2.1 b18.2.616
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 3 1/4a325 type-1 str/b hdg b18.2.1 b18.2.6195
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THRDFASTFLHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized7/8-9 x 3 1/4a325 type-1 str/b hdg b18.2.1 b18.2.63
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THRDFASTALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 1/4a325 type-1 str/b domestic b18.2.1 b18.2.611
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THRDFASTALHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/4-7 x 3 1/4a325 type-1 str/b hdg b18.2.1 b18.2.64
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1 1/4-7 x 3 1/4a325 type-1 str/b domestic b18.2.1 b18.2.62
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 1/4a325 type-1 str/b b18.2.1 b18.2.644
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THRDFASTMSHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1 1/2-6 x 3 1/4a325 type-1 str/b hdg b18.2.1 b18.2.64
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelGalvanized1-8 x 3 1/4a325 type-1 str/b hdg full thread domestic b18.2.1 b18.2.673
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THRDFASTOKHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain7/8-9 x 3 1/4a325 type-1 str/b domestic b18.2.1 b18.2.64
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WSBKYHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain1-8 x 3 1/4blt hex a325 (pl) 1-8x3 1/4 usa b18.2.1 b18.2.6600
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WSBKYHeavy Hex Structural Bolt (A325, A490, 10.9)SteelPlain3/4-10 x 3 1/4blt hex struc st a325 (pl) 3/4-10x3 1/4 b18.2.1 b18.2.62,313
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