5/16-18 Heavy Hex Bolts

Heavy Hex Bolts have larger and thicker heads than hex machine bolts and are commonly used in light construction and machinery. Heavy hex bolts with forged heads are also used as headed anchor bolts. Heavy Hex Bolts are covered under ASME B18.2.1.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
SunPackFLHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Plain5/16-18 x 1 1/2a193 b7 heavy h/b165
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SunPackFLHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Zinc/Clear5/16-18 x 3a193 b7 hvy h/b32
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EBN IndusINHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Zinc/Yellow5/16-18 x 2 1/45/16-18 x 2 1/4 heavy hex bolt b-7 zinc yellow b18.2.1104
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EBN IndusINHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Zinc/Yellow5/16-18 x 45/16-18 x 4 heavy hex bolt b-7 zinc yellow b18.2.19
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EBN IndusINHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Zinc/Yellow5/16-18 x 3 3/45/16-18 x 3 3/4 heavy hex bolt b-7 zinc yellow b18.2.15
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)SteelPlain5/16-18 x 4 1/2hvy h/b17
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)SteelPlain5/16-18 x 5hvy h/b21
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THRDFASTMSHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Fluoropolymer (Xylan, Fluorokote, Teflon)5/16-18 x 5a193 b7 hvy h/b teflon b18.2.11
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GLFOHHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Zinc/Clear5/16-18 x 1hvy hex hd bolt b-7 zc bolt96
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GLFOHHeavy Hex Bolt (B7, B8, A307B etc.)Grade 2Galvanized5/16-18 x 1hvy hex hd bolt hdg bolt780
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Plain5/16-18 x 1 1/4b7 heavy h/b721
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Plain5/16-18 x 2 1/4b7 heavy h/b1393
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