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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 () () ()2220
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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 () () ()178
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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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JET FITTINGCAHex Machine BoltGrade AZinc/Black5/16-18 x 1/25/16-18x1/2 bolt hex steel a307 zinc plated black JET 516C08HB SZB b18.2.1300
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JET FITTINGCAHex Machine BoltGrade ABlack Oxide5/16-18 x 1/25/16-18x1/2 hex bolt steel grade a black oxide a307 516C08HB SBO b18.2.1710
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear5/16-18 x 1/25/16-18x1/2 hex bolt a307 gr a zn 494022 b18.2.160
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JET FITTINGCAHex Machine BoltSilicon BronzePainted3/8-16 x 1/23/8-16x1/2 hex bolt bronze plain b18.2.128
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear1/4-20 x 1/21/4-20x1/2 hex bolt a307 gr a zn 494001 b18.2.14000
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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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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear5/1624 x 1/2bolt hex 5/1624x1/2 grade 2 steel zinc plated b18.2.1360
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JET FITTINGCAHex Machine BoltSilicon BronzePainted3/8-16 x 1/23/8-16x1/2 hex bolt bronze b18.2.125
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JET FITTINGCAHex Machine BoltGrade ABlack Oxide3/8-16 x 1/2bolt hex 3/816x1/2 a307 steel black oxide b18.2.11600
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear1/4-20 x 1/2bolt hex 1/4-20x1/2 steel a307 zinc plated b18.2.12280
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JET FITTINGCAHex Machine BoltSteelPlain1/4-20 x 1/2bolt hex 1/420x1/2 nyl b18.2.1500
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JET FITTINGCAHex Machine BoltGrade 2Black Oxide1/4-20 x 1/2bolt hex 1/420x1/2 grade 2 steel black oxide b18.2.12645
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear1/4-20 x 1/2bolt hex 1/420x1/2 grade 2 steel zinc plated b18.2.12000
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow1/4-20 x 1/21/4-20x1/2 (ft) hex bolt steel grade-8 zinc plated yellow b18.2.1992
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JET FITTINGCAHex Machine BoltGrade ABlack Oxide5/16-18 x 1/2bolt hex 5/1618x1/2 a307 grade steel black oxide b18.2.1550
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear5/16-18 x 1/2bolt hex 5/1618x1/2 a307 grade steel zinc plated b18.2.11590
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JET FITTINGCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 1/2bolt hex 5/1618x1/2 stainless steel b18.2.1692
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JET FITTINGCAHex Machine BoltGrade AZinc/Black1/4-20 x 1/2bolt hex 1/4-20x1/2 steel a307 zinc plated black b18.2.1300
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JET FITTINGCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1/2bolt hex 1/428x1/2 stainless steel b18.2.12342
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear3/8-16 x 1/2bolt hex 3/816x1/2 a307 steel zinc plated b18.2.11450
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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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