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3 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/Clear3/8-16 x 33/8-16x3 hex hd bolt a307 stl zc b18.2.1 () () ()168
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GLFOHHex Machine BoltGrade AZinc/Clear1/4-20 x 31/4-20x3 hex hd bolt a307 stl zc b18.2.1 () () ()71
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GLFOHHex Machine BoltGrade AZinc/Clear5/8-11 x 35/8-11x3 hex hd bolt a307a stl zc b18.2.1 () () ()59
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GLFOHHex Machine BoltGrade AGalvanized5/16-18 x 35/16-18x3 hex hd bolt a307 stl hdg b18.2.1 () () ()75
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BHAMALHex Machine BoltSteelGalvanized3/4-10 x 33/4-10x3 hex tower bolt a394 hdg b18.2.120
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BHAMALHex Machine BoltGrade AGalvanized1 1/8-7 x 31 1/8-7x3 hex bolt a307 hdg b18.2.112
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BHAMALHex Machine BoltSteelPlain5/8-11 x 35/8-11x3 a490 hvy hex bolt b18.2.16
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BHAMALHex Machine Bolt316, 317, A4 StainlessPlain3/4-10 x 33/4-10x3 316ss hex bolt domestic b18.2.116
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BHAMALHex Machine BoltSteelGalvanized3/4-10 x 33/4-10x3 a325 hvy hex bolt w/dh nut hdg b18.2.12117
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BHAMALHex Machine BoltGrade B7Plain1 1/8-8 x 31 1/8-8x3 hvy hex bolt a193 b7 b18.2.115
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GLFOHHex Machine BoltGrade B7Zinc/Yellow3/4-10 x 33/4-10x3 fin hex hd bolt b-7 stl zy b18.2.1 () () ()75
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BHAMALHex Machine BoltGrade AGalvanized1/2-13 x 31/2-13x3 hex bolt a307 hdg b18.2.1235
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GLFOHHex Machine BoltGrade AZinc/Clear1/2-13 x 31/2-13x3 hex hd bolt a307 stl zc b18.2.1 () () ()100
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GLFOHHex Machine BoltGrade B7Zinc/Clear1 3/8-6 x 31-3/8-6x3 hex hd bolt b-7 stl zc b18.2.1 () () ()2
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BHAMALHex Machine BoltGrade AGalvanized1/2-13 x 31/2-13x3 a307 hex bolt hdg ft b18.2.1100
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GLFOHHex Machine BoltGrade APlain5/8-11 x 35/8-11x3 hex hd bolt a307 stl pln b18.2.1 () () ()290
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GLFOHHex Machine BoltGrade B7Plain5/8-11 x 35/8-11x3 fin hex hd bolt b-7 stl pln b18.2.1 () () ()20
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GLFOHHex Machine BoltGrade B7Plain1/2-13 x 31/2-13x3 fin hex hd bolt b-7 stl pln b18.2.1 () () ()250
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AbabaCAHex Machine BoltSteelPlain1-8 x 31-8 x 3 hex bolt stl pln b18.2.119
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AbabaCAHex Machine BoltSteelZinc/Clear1-8 x 31-8 x 3 hex bolt stl znc b18.2.137
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AbabaCAHex Machine BoltSteelPlain1 1/2-6 x 31 1/2-6 x 3 hex bolt stl pln b18.2.11
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AbabaCAHex Machine BoltSteelZinc/Clear1/4-20 x 31/4-20 x 3 hex bolt stl znc b18.2.11000
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AbabaCAHex Machine BoltSteelZinc/Clear5/16-18 x 35/16-18 x 3 hex bolt stl znc b18.2.1995
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 33/8-16 x 3 hex bolt stl hdg b18.2.1350
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 33/8-16 x 3 hex bolt stl znc b18.2.11343
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AbabaCAHex Machine BoltSteelZinc/Clear7/16-14 x 37/16-14 x 3 hex bolt stl znc b18.2.1122
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AbabaCAHex Machine BoltSteelGalvanized1/2-13 x 31/2-13 x 3 hex bolt stl hdg b18.2.1218
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AbabaCAHex Machine BoltSteelZinc/Clear1/2-13 x 31/2-13 x 3 hex bolt stl znc b18.2.1120
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AbabaCAHex Machine BoltSteelGalvanized5/8-11 x 35/8-11 x 3 hex bolt stl hdg b18.2.193
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AbabaCAHex Machine BoltSteelZinc/Clear5/8-11 x 35/8-11 x 3 hex bolt stl znc b18.2.1212
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AbabaCAHex Machine BoltSteelGalvanized3/4-10 x 33/4-10 x 3 hex bolt stl hdg b18.2.175
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AbabaCAHex Machine BoltSteelZinc/Clear3/4-10 x 33/4-10 x 3 hex bolt stl znc b18.2.166
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AbabaCAHex Machine BoltSteelZinc/Clear7/8-9 x 37/8-9 x 3 hex bolt stl znc b18.2.196
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AbabaCAHex Machine BoltSteelGalvanized1/4-20 x 31/4-20 x 3 hex bolt stl hdg b18.2.175
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AbabaCAHex Machine BoltSteelGalvanized5/16-18 x 35/16-18 x 3 hex bolt stl hdg b18.2.1625
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AbabaCAHex Machine BoltSteelPlain1-8 x 31-8 x 3 hex bolt stl pln b18.2.110
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AbabaCAHex Machine BoltSteelZinc/Clear1/4-20 x 31/4-20 x 3 hex bolt stl znc b18.2.1250
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AbabaCAHex Machine BoltSteelZinc/Clear5/16-18 x 35/16-18 x 3 hex bolt stl znc b18.2.1300
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Alma BoltMIHex Machine BoltGrade 2Plain3/8-16 x 33/8-16 x 3 hex hd mach blt g2 b18.2.11740
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 33/8-16 x 3 astm a307 grade a zinc finish hex bolt b18.2.1200
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Wink FastVAHex Machine BoltSuperalloy (Inconel, Hastelloy, Alloy 20)Plain3/8-16 x 3alloy 20 (n08020) hex bolt 3/8-16x3 per asme b18.2.117
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JET FITTINGCAHex Machine BoltGrade AGalvanized1-8 x 31-8x3 hex bolt a307 gr a hdg 495185 b18.2.125
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JET FITTINGCAHex Machine BoltGrade AGalvanized1/2-13 x 31/2-13x3 hex bolt a307 gr a hdg 495059 b18.2.1100
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear1/4-20 x 31/4-20x3 hex bolt a307 gr a zn 494013 b18.2.1565
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JET FITTINGCAHex Machine BoltGrade AGalvanized5/16-18 x 35/16-18x3 hex bolt a307 gr a hdg 495022 b18.2.15
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear3/4-10 x 33/4-10x3 hex bolt a307 gr a zn 494146 b18.2.110
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear1/2-13 x 31/2-13x3 hex bolt a307 gr a zn 494092 b18.2.1438
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear5/16-18 x 35/16-18x3 hex bolt a307 gr a zn 494034 b18.2.150
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JET FITTINGCAHex Machine BoltGrade AGalvanized3/8-16 x 33/8-16x3 hex bolt a307 gr a hdg 495039 b18.2.1100
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StandardMAHex Machine BoltSteelGalvanized3/4-10 x 33/4-10x3 machine bolt galvanized b18.2.1172
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StandardMAHex Machine BoltSteelGalvanized1-8 x 31-8 x 3 hex head machine bolt hot-dipped galvanized b18.2.130
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QFCTXHex Machine BoltGrade 5Galvanized3/8 x 3.375x3.00 grade 5 hdg hex bolt nut&lw b18.2.170
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QFCTXHex Machine BoltSteelGalvanized5/8-11 x 35/8-11x3 hex head bolt a394 type-1 hdg b18.2.13
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QFCTXHex Machine BoltASTM A449Galvanized3/4-10 x 33/4-10x3 hex head bolt a449 hdg ( 2 thd ) b18.2.1247
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B & K FASTPAHex Machine BoltSteelPlain1/4-20 x 31/4-20 x 3 nylon hex bolts b18.2.11200
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B & K FASTPAHex Machine BoltGrade B7Plain1-8 x 31-8 x 3 a193b7 hex bolts plain b18.2.182
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BHAMGAHex Machine BoltSuperalloy (Inconel, Hastelloy, Alloy 20)Plain5/8-11 x 35/8-11x3 hastelloy c276 hex bolt-ft b18.2.124
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BHAMGAHex Machine BoltSuperalloy (Inconel, Hastelloy, Alloy 20)Plain1/2-13 x 31/2-13x3 hastelloy c276 hex bolt-ft b18.2.141
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BHAMTXHex Machine Bolt316, 317, A4 StainlessPlain5/8-11 x 35/8-11x3 316 ss hex bolt domestic b18.2.129
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OSSCORIHex Machine BoltGrade BPlain1-8 x 31-8x3 a307 gr b bolt b18.2.156
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OSSCORIHex Machine BoltGrade BPlain5/8-11 x 35/8-11x3 a307 gr b bolt b18.2.15
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QFCTXHex Machine BoltSteelPlain7/8-9 x 37/8-9 x 3 ft hex machine bolt 6in thread b18.2.12
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QFCTXHex Machine BoltSteelZinc/Clear1 1/4-7 x 31 1/4-7x3 hex bolt zinc b18.2.112
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Yellow7/89 x 3bolt hex 7/89x3 grade 2 steel zinc plated yellow b18.2.1656
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear7/8-14 x 3bolt hex 7/814x3 grade 2 steel zinc plated b18.2.1419
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Yellow7/8-14 x 3bolt hex 7/814x3 grade 2 steel zinc plated yellow b18.2.143
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear1 14 x 3bolt hex 1 14x3 grade 2 steel zinc plated b18.2.17
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clearx 3bolt hex 1-1/8 12x3 grade 2 steel zinc plated b18.2.1173
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JET FITTINGCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 3bolt hex 5/1618x3 stainless steel b18.2.1823
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear5/16-18 x 3bolt hex 5/1618x3 grade 2 steel zinc plated b18.2.1410
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JET FITTINGCAHex Machine BoltGrade 5Zinc/Clear5/16-18 x 3bolt hex 5/1618x3 grade 5 steel zinc plated b18.2.1300
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow5/16-18 x 3bolt hex 5/1618x3 grade 8 steel zinc plated yellow b18.2.180
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JET FITTINGCAHex Machine BoltGrade 2Plain5/1624 x 3bolt hex 5/1624x3 grade 2 b18.2.1100
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JET FITTINGCAHex Machine BoltGrade ABlack Oxide3/8-16 x 3bolt hex 3/816x3 a307 steel black oxide b18.2.1600
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear3/8-16 x 3bolt hex 3/816x3 grade 2 steel zinc b18.2.1100
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JET FITTINGCAHex Machine BoltGrade 5Zinc/Clear3/8-16 x 3bolt hex 3/816x3 grade 5 steel zinc plated b18.2.1250
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear7/16-14 x 3bolt hex 7/1614x3 a307 steel zinc plated b18.2.1300
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear1/2-13 x 3bolt hex 1/213x3 grade 2 steel zinc plated b18.2.184
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JET FITTINGCAHex Machine BoltGrade 5Zinc/Clear1/2-13 x 3bolt hex 1/213x3 grade 5 steel zinc plated b18.2.1125
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow1/2-13 x 3bolt hex 1/213x3 grade 8 steel zinc plated yellow b18.2.1100
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JET FITTINGCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/220 x 3bolt hex 1/220x3 stainless steel b18.2.128
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear1/4-20 x 31/4-20x3 hex bolt steel a307 zinc plated b18.2.125
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JET FITTINGCAHex Machine BoltGrade 5Zinc/Clear1/4-20 x 3bolt hex 1/420x3 grade 5 steel zinc plated b18.2.1510
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NBSILHex Machine BoltGrade 5Zinc/Yellow5/8-11 x 35/8-11 x 3 gr.5 hex machine bolt zinc yellow b18.2.12.59
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NBSILHex Machine BoltGrade 5Zinc/Clear5/8-11 x 35/8-11 x 3 gr.5 hex machine bolt zinc b18.2.10.09
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NBSILHex Machine BoltGrade AZinc/Clear5/16-18 x 35/16-18 x 3 307a hex machine bolt zinc b18.2.13.5
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NBSILHex Machine BoltGrade AZinc/Clear1/4-20 x 31/4-20 x 3 307a hex machine bolt zinc b18.2.118
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NBSILHex Machine BoltGrade AZinc/Clear7/16-14 x 37/16-14 x 3 307a hex machine bolt zinc b18.2.112.15
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NBSILHex Machine BoltGrade AZinc/Clear1/2-13 x 31/2-13 x 3 307a hex machine bolt zinc b18.2.12.4
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NBSILHex Machine BoltGrade AZinc/Clear3/4-10 x 33/4-10 x 3 307a hex machine bolt zinc b18.2.11.92
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FDLILHex Machine BoltGrade 5Plain9/16-18 x 39/16-18 x 3 hex head shackle bolt, grade 5, plain finish, w/grease zerk per drawing#5830 150pcs/ctn & 16.95kgs/ctn, 45ctns/plt b18.2.120250
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FDLILHex Machine BoltGrade 5Plain9/16-18 x 39/16-18 x 3 hex head shackle bolt, grade 5, plain finish, w/grease zerk per drawing#5830 150pcs/ctn & 16.95kgs/ctn, 45ctns/plt b18.2.120250
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JET FITTINGCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/818 x 3bolt hex 5/818x3 stainless steel b18.2.1126
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JET FITTINGCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3bolt hex 5/8-11x3 stainless steel b18.2.129
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear5/8-11 x 3bolt hex 5/8-11x3 grade 2 steel zinc plated b18.2.12242
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear3/4-10 x 3bolt hex 3/410x3 grade 2 steel zinc plated b18.2.168
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THRDFASTFLHex Machine BoltGrade AGalvanized1 1/4-7 x 3a307a h/b hdg b18.2.19
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THRDFASTOKHex Machine BoltGrade AGalvanized5/8-11 x 3a307a h/b hdg b18.2.1 domestic13
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THRDFASTOKHex Machine BoltGrade AGalvanized3/4-10 x 3a307a h/b hdg b18.2.1 domestic8
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THRDFASTOKHex Machine BoltGrade AGalvanized3/4-10 x 3a307a h/b hdg b18.2.18
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THRDFASTFLHex Machine BoltGrade AGalvanized3/4-10 x 3a307a h/b hdg b18.2.120
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THRDFASTTNHex Machine BoltGrade AGalvanized1 1/4-7 x 3a307a h/b hdg b18.2.17
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THRDFASTALHex Machine BoltGrade AGalvanized5/8-11 x 3a307a h/b hdg b18.2.1 domestic10
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KBSTNHex Machine BoltGrade 5Plain1/4 x 31/4 x 3 hex bolt anchor gr 5 b18.2.1500
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KBSTNHex Machine BoltNylon (Polyamide)Plain3/8-16 x 33/8-16 x 3 nylon hex bolts b18.2.16
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THRDFASTALHex Machine BoltGrade AGalvanized1/2-13 x 3a307a h/b hdg b18.2.15100
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THRDFASTALHex Machine BoltGrade AGalvanized5/8-11 x 3a307a h/b hdg b18.2.14491
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THRDFASTALHex Machine BoltGrade AGalvanized1 1/4-7 x 3ft a307a h/b hdg rt7 b18.2.18
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THRDFASTOKHex Machine BoltGrade AGalvanized3/8-16 x 3a307a h/b hdg domestic b18.2.11
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THRDFASTOKHex Machine BoltGrade AGalvanized5/16-18 x 3a307a h/b hdg b18.2.149
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THRDFASTOKHex Machine BoltGrade AGalvanized3/8-16 x 3a307a h/b hdg b18.2.18
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THRDFASTOKHex Machine BoltGrade AGalvanized1 1/4-7 x 3a307a h/b hdg b18.2.11
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THRDFASTOKHex Machine BoltGrade AGalvanized7/8-9 x 3a307a h/b hdg b18.2.11
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THRDFASTOKHex Machine BoltGrade AGalvanized1/4-20 x 3a307a h/b hdg b18.2.122
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THRDFASTOKHex Machine BoltGrade AGalvanized1 1/2-6 x 3a307a h/b hdg b18.2.13
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All SizeTXHex Machine BoltGrade 8Plain5/16-18 x 35/16-18 x 3 gr. 8 hex bolt domestic b18.2.147
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All SizeTXHex Machine BoltGrade 8Plain7/16-14 x 37/16-14 x 3 gr. 8 hex bolt domestic b18.2.111
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All SizeTXHex Machine BoltGrade B7Plain3/4-10 x 33/4-10 x 3 b7 hex bolt b18.2.175
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All SizeTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-12 x 39/16-12 x 3 hex bolt-ss b18.2.120
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All SizeTXHex Machine BoltGrade 8Plain7/8-14 x 37/8-14 x 3 gr. 8 hex bolt b18.2.15
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All SizeTXHex Machine BoltGrade 8Plain1/4-20 x 31/4-20 x 3 gr. 8 hex bolt domestic b18.2.1271
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All SizeTXHex Machine BoltGrade 5Zinc/Clear9/16-18 x 39/16-18 x 3 gr. 5 hex bolt zinc b18.2.1100
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All SizeTXHex Machine BoltGrade 5Plain5/8-18 x 35/8-18 x 3 gr. 5 hex bolt b18.2.175
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All SizeTXHex Machine BoltGrade 5Plain9/16-12 x 39/16-12 x 3 gr. 5 hex bolt b18.2.1166
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All SizeTXHex Machine BoltGrade 5Plain5/16-24 x 35/16-24 x 3 gr. 5 hex bolt b18.2.1382
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All SizeTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 310-24 x 3 hex bolt s/s b18.2.112
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All SizeTXHex Machine BoltGrade 8Plain7/8-14 x 37/8-14 x 3 gr. 8 hex bolt plain b18.2.115
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All SizeTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-12 x 39/16-12 x 3 hex bolt-ss b18.2.120
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All SizeTXHex Machine BoltGrade 5Plain1 1/2-6 x 31 1/2-6 x 3 gr. 5 hex bolt b18.2.160
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All SizeTXHex Machine BoltGrade 8Plain1 1/2-12 x 31 1/2-12 x 3 gr. 8 hex bolt plain b18.2.110
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All SizeTXHex Machine BoltGrade 8Plain5/8-11 x 35/8-11 x 3 gr. 8 hex bolt domestic plain b18.2.17
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All SizeTXHex Machine BoltGrade 2Galvanized1/2-13 x 31/2-13 x 3 grade 2 hex bolt galv b18.2.1191
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All SizeTXHex Machine BoltGrade 5Plain3/8-16 x 33/8-16 x 3 gr. 5 hex bolt drilled head b18.2.110
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All SizeTXHex Machine BoltGrade 5Zinc/Clear1-8 x 31-8 x 3 gr. 5 hex bolt zinc domestic b18.2.11
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All SizeTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 31/4-28 x 3 hex bolt-ss b18.2.1294
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