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3 1/4 inch length Hex Bolts (ASME B18. 2.1)

Hex Machine Bolts are threaded bolts with a hexagonal head on one end, with no washer face on the bearing surface and a threaded shaft on the other end. Hex bolts are tightened with a wrench and are used to connect metal parts. The body tolerances of hex machine bolts are not as close as those of hex cap screws. Hex machine bolts are covered under ASME Standard B18.2.1

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHHex Machine BoltGrade AZinc/Clear3/4-10 x 3 1/43/4-10x3-1/4 hex hd bolt a307 stl zc b18.2.1 () () ()104
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GLFOHHex Machine BoltGrade APlain3/4-10 x 3 1/43/4-10x3-1/4 hex hd bolt a307 stl pln b18.2.1 () () ()347
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GLFOHHex Machine BoltGrade AZinc/Clear1/4-20 x 3 1/41/4-20x3-1/4 hex hd bolt a307 stl zc b18.2.1 () () ()437
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GLFOHHex Machine BoltGrade B7Plain3/4-10 x 3 1/43/4-10x3-1/4 fin hex hd bolt b-7 stl pln b18.2.1 () () ()50
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AbabaCAHex Machine BoltSteelZinc/Clear1-8 x 3 1/41-8 x 3 1/4 hex bolt stl znc b18.2.17
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AbabaCAHex Machine BoltSteelPlain1/2-13 x 3 1/41/2-13 x 3 1/4 hex bolt stl pln b18.2.120
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AbabaCAHex Machine BoltSteelZinc/Clear1/2-13 x 3 1/41/2-13 x 3 1/4 hex bolt stl znc b18.2.1305
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AbabaCAHex Machine BoltSteelZinc/Clear5/8-11 x 3 1/45/8-11 x 3 1/4 hex bolt stl znc b18.2.145
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AbabaCAHex Machine BoltSteelZinc/Clear3/4-10 x 3 1/43/4-10 x 3 1/4 hex bolt stl znc b18.2.1110
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AbabaCAHex Machine BoltSteelZinc/Clear5/16-18 x 3 1/45/16-18 x 3 1/4 hex bolt stl znc b18.2.1112
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 3 1/43/8-16 x 3 1/4 hex bolt stl znc b18.2.1150
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AbabaCAHex Machine BoltSteelZinc/Clear1/2-13 x 3 1/41/2-13 x 3 1/4 hex bolt stl znc b18.2.150
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AbabaCAHex Machine BoltSteelZinc/Clear3/4-10 x 3 1/43/4-10 x 3 1/4 hex bolt stl znc b18.2.146
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QFCTXHex Machine BoltGrade 5Galvanized3/8 x 3 1/4.375x3.25 grade 5 hdg hex bolt nut&lw b18.2.1103
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JET FITTINGCAHex Machine BoltGrade 2Plain5/818 x 3 1/4bolt hex 5/818x3-1/4 grade 2 b18.2.150
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear5/16-18 x 3 1/4bolt hex 5/1618x3-1/4 a307 steel zinc plated b18.2.1103
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear3/8-16 x 3 1/4bolt hex 3/816x3-1/4 a307 steel zinc plated b18.2.11275
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow1/4-20 x 3 1/4bolt hex 1/420x3-1/4 grade 8 steel zinc plated yellow b18.2.1250
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JET FITTINGCAHex Machine BoltGrade AGalvanized5/16-18 x 3 1/45/16-18x3 1/4 (pt) bolts hex bolts a307 grade a hex bolt hdg (inch) b18.2.1280
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JET FITTINGCAHex Machine BoltGrade 5Zinc/Yellow5/8-11 x 3 1/4bolt hex 5/8-11x3-1/4 grade 5 steel zinc plated yellow b18.2.150
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear1/4-20 x 3 1/4bolt hex 1/420x3-1/4 grade 2 steel zinc plated b18.2.1106
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JET FITTINGCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 3 1/4bolt hex 1/213x3-1/4 stainless steel b18.2.1118
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THRDFASTFLHex Machine BoltGrade AGalvanized5/8-11 x 3 1/4a307a h/b hdg b18.2.1579
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THRDFASTFLHex Machine BoltGrade AGalvanized1-8 x 3 1/4a307a h/b hdg b18.2.146
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 3 1/4a307a h/b hdg b18.2.115
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THRDFASTFLHex Machine BoltGrade AGalvanized5/8-11 x 3 1/4a307a h/b hdg b18.2.110
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 3 1/4a307a h/b hdg b18.2.16
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