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Structural Bolts, Grade A

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 
Fastener OHHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1-8 x 3 1/2heavy hex bolt 1-8x3-1/2 lg gr a490 plain domestic 8
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Fastener OHHeavy Hex Structural Bolt (A325, A490, 10.9)Grade APlain1-8 x 3heavy hex bolt 1-8x3 lg gr a490 plain30
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 6 1/21-8x6 1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic 2 3/4 thd b18.2.1 b18.2.661
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 6 1/21-8x6 1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic 2 3/4 thd b18.2.1 b18.2.620
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/4-7 x 22 1/41-1/4-7x22 heavy hex bolt 3-1/4 thread f3125 grade a325-type-1 hot dipped galvanized 3/8 hole drilled-3/8 off end domestic b18.2.1 b18.2.63
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1 1/4-7 x 4 1/41-1/4-7x4-1/4 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 b18.2.66
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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)Grade AGalvanized1/2-13 x 41/2-13x4 hvy hex hdg grd a325 astm f3125 supplemental s2 w/3 thread 100% dom m&m usa b18.2.1 b18.2.628
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1/2-13 x 41/2-13x4 hvy hex hdg grd a325 astm f3125 supplemental s2 w/3 thread 100% dom m&m usa b18.2.1 b18.2.658
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized5/8-11 x 2 1/25/8-11x2-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.6610
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized5/8-11 x 2 1/25/8-11x2-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.61350
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized5/8-11 x 4 1/45/8-11x4-1/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.6116
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized5/8-11 x 75/8-11x7 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.686
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized5/8-11 x 13 3/45/8-11x13-3/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.61
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized5/8-11 x 14 3/45/8-11x14-3/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.62
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized3/4-10 x 12 3/43/4-10x12-3/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.649
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized3/4-10 x 13 3/43/4-10x13-3/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.62
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized3/4-10 x 143/4-10x14 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.62
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized3/4-10 x 143/4-10x14 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.63
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized7/8-9 x 4 3/47/8-9x4-3/4 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.6216
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 1 1/21-8x1-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized b18.2.1 b18.2.61
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QFCTXHeavy Hex Structural Bolt (A325, A490, 10.9)Grade AGalvanized1-8 x 1 1/21-8x1-1/2 heavy hex bolt f3125 grade a325-type-1 hot dipped galvanized domestic b18.2.1 b18.2.618
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