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5/16 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.

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 5/85/16-18 x 5/8 | b7 alloy heavy hex bolt59
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 3/45/16-18 x 3/4 | b7 alloy heavy hex bolt220
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FasSpcMfgFLHeavy Hex Bolt (B7, B8, A307B etc.)Superalloy (Inconel, Hastelloy, Alloy 20)Plain5/16-18 x 15/16-18 x 1 heavy hex bolt inconel 718 solution annealed2
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FasSpcMfgFLHeavy Hex Bolt (B7, B8, A307B etc.)Superalloy (Inconel, Hastelloy, Alloy 20)Plain5/16-18 x 15/16-18 x 1 heavy hex bolt inconel 718 solution annealed2
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Plain5/16-18 x 15/16-18 x 1 | b7 hvy hex bolt tefln75
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 1 1/45/16-18 x 1 1/4 | b7 alloy heavy hex bolt671
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Plain5/16-18 x 1 1/45/16-18 x 1 1/4 | b7 hvy hex bolt tefln4
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SunPackFLHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Plain5/16-18 x 1 1/25/16-18x1-1/2 a193 b7 hvy hex bolt plain165
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SunPackFLHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Plain5/16-18 x 1 1/2a193 b7 heavy h/b165
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 1 1/25/16-18 x 1 1/2 | b7 alloy heavy hex bolt191
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 1 3/45/16-18 x 1 3/4 | b7 alloy heavy hex bolt250
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 25/16-18 x 2 | b7 alloy heavy hex bolt478
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thickness54000
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 2 1/45/16-18 x 2 1/4 | b7 alloy heavy hex bolt1393
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 2 1/25/16-18 x 2 1/2 | b7 alloy heavy hex bolt473
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 2 3/45/16-18 x 2 3/4 | b7 alloy heavy hex bolt560
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SunPackFLHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Zinc/Clear5/16-18 x 35/16-18x3 a193 b7 hvy hex bolt zinc32
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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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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 35/16-18 x 3 | b7 alloy heavy hex bolt200
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 3 1/25/16-18 x 3 1/2 | b7 alloy heavy hex bolt393
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 45/16-18 x 4 | b7 alloy heavy hex bolt105
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)SteelPlain5/16-18 x 4 1/25/16-18 x 4 1/2 hvy hex bolt pln17
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THRDFASTMSHeavy Hex Bolt (B7, B8, A307B etc.)Grade B7Fluoropolymer-Based (Xylan, Fluorokote, Teflon)5/16-18 x 5a193 b7 hvy h/b teflon b18.2.11
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)SteelPlain5/16-18 x 55/16-18 x 5 hvy hex bolt pln21
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)ASTM A574Plain5/16-18 x 55/16-18 x 5 | b7 alloy heavy hex bolt65
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