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1/2 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/Clear1/4-20 x 1/21/4-20x1/2 hex hd bolt a307 stl zc b18.2.1 () () ()2155
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GLFOHHex Machine BoltGrade APlain3/8-16 x 1/23/8-16x1/2 hex hd bolt a307 stl pln b18.2.1 () () ()13
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GLFOHHex Machine BoltSteelCadmium/Yellow1/4-28 x 1/2bolt AN4H3A b18.2.1 () () ()29
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GLFOHHex Machine BoltGrade AZinc/Clear5/16-18 x 1/25/16-18x1/2 hex hd bolt a307 stl zc b18.2.1 () () ()2418
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AbabaCAHex Machine BoltSteelGalvanized1/4-20 x 1/21/4-20 x 1/2 hex bolt stl hdg b18.2.12000
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AbabaCAHex Machine BoltSteelZinc/Clear1/4-20 x 1/21/4-20 x 1/2 hex bolt stl znc b18.2.110922
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AbabaCAHex Machine BoltSteelZinc/Clear5/16-18 x 1/25/16-18 x 1/2 hex bolt stl znc b18.2.11570
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 1/23/8-16 x 1/2 hex bolt stl znc b18.2.1292
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AbabaCAHex Machine BoltSteelGalvanized1/4-20 x 1/21/4-20 x 1/2 hex bolt stl hdg b18.2.1500
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AbabaCAHex Machine BoltSteelZinc/Clear1/4-20 x 1/21/4-20 x 1/2 hex bolt stl znc b18.2.1500
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AbabaCAHex Machine BoltSteelZinc/Clear5/16-18 x 1/25/16-18 x 1/2 hex bolt stl znc b18.2.1300
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 1/23/8-16 x 1/2 hex bolt stl znc b18.2.1400
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SIIINHex Machine BoltGrade AZinc/Clear1/4-20 x 1/21/4-20 x 1/2 astm a307 grade a zinc finish hex bolt b18.2.11925
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 1/23/8-16 x 1/2 astm a307 grade a zinc finish hex bolt b18.2.11100
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QFCTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 hex bolt 18-8 s/s steel green dye waxed b18.2.139
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QFCTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1/21/2-13x1/2 hex bolt 18-8 ss green dye waxed b18.2.1550
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QFCTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1/21/2-13x1/2 hex bolt 18-8 ss green dye waxed domestic b18.2.1583
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QFCTXHex Machine BoltGrade AGalvanized1/4-20 x 1/21/4-20 x 1/2 hex head bolt a307 hdg b18.2.1192
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THRDFASTMSHex Machine BoltGrade AGalvanized1/4-20 x 1/2a307a h/b hdg b18.2.1100
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THRDFASTALHex Machine BoltGrade AGalvanized1/4-20 x 1/2a307a h/b hdg b18.2.1169
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WSBKYHex Machine BoltGrade 8Plain1/4-20 x 1/2blt hex place gr8 (pl) 1/4-20x1/2 b18.2.127,225
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All SizeTXHex Machine BoltGrade 8Plain5/16-18 x 1/25/16-18 x 1/2 gr. 8 hex bolt domestic b18.2.1140
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All SizeTXHex Machine BoltGrade 8Plain3/8-16 x 1/23/8-16 x 1/2 gr. 8 hex bolt domestic b18.2.12,430
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All SizeTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 1/25/16-24 x 1/2 hex bolt s/s b18.2.1683
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