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Heavy Hex Nuts, ASTM A449 (ASME B18. 2.6)

Heavy Hex Nuts are larger and thicker than standard (finished) hex nuts.The heavy hex pattern is typically used for large diameter and high strength bolts, and with certain high-strength grades of steel can be used with structural bolts in structural applications.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
BHAMALHeavy Hex NutASTM A449Galvanized1 1/4-7 x 71 1/4-7x7 hvy hex a449 4 thread hdg b18.2.2 b18.2.611
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QFCTXHeavy Hex NutASTM A449Galvanized5/8-11 x 85/8-11x8 hvy hex a449 hdg domestic w/3 thread b18.2.2 b18.2.643
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QFCTXHeavy Hex NutASTM A449Galvanized5/8-11 x 105/8-11x10 hvy hex a449 hdg 10 thread domestic pa dot b18.2.2 b18.2.6219
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QFCTXHeavy Hex NutASTM A449Galvanized5/8-11 x 135/8-11x13 hvy hex a449 hdg domestic pa dot b18.2.2 b18.2.619
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QFCTXHeavy Hex NutASTM A449Galvanized5/8-11 x 135/8-11x13 hvy hex a449 hdg full thread dom pa dot b18.2.2 b18.2.630
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QFCTXHeavy Hex NutASTM A449Galvanized5/8-11 x 145/8-11x14 hvy hex a449 hdg 4 thread dom pa dot b18.2.2 b18.2.672
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QFCTXHeavy Hex NutASTM A449Galvanized1 1/2 x 18 1/21-1/2x18-1/2 hvy hex a449 hdg 5 thread domestic b18.2.2 b18.2.61
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QFCTXHeavy Hex NutASTM A449Galvanized5/8-11 x 15 1/25/8-11x15-1/2 hvy hex a449 mech galv full thread domestic pa dot b18.2.2 b18.2.633
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QFCTXHeavy Hex NutASTM A449Galvanized1 x 51 x5 hvy hex a449 mech galv 3 thread domestic padot b18.2.2 b18.2.614
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