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3/8 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

Hex Machine Bolt (b18.2.1), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHHex Machine BoltGrade AGalvanized3/8-16 x 13/8-16x1 hex hd bolt a307 stl hdg b18.2.1 () () ()1390
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 13/8-16x1 hex hd bolt a307 stl zc b18.2.1 () () ()1738
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GLFOHHex Machine BoltGrade AGalvanized3/8-16 x 1 1/23/8-16x1-1/2 hex hd bolt a307 stl hdg b18.2.1 () () ()2441
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GLFOHHex Machine BoltGrade APlain3/8-16 x 1 1/23/8-16x1-1/2 hex hd bolt a307 stl pln b18.2.1 () () ()263
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 1 1/43/8-16x1-1/4 hex hd bolt a307 stl zc b18.2.1 () () ()5000
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 23/8-16x2 hex hd bolt a307 stl zc b18.2.1 () () ()600
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 1 3/43/8-16x1-3/4 hex hd bolt a307 stl zc b18.2.1 () () ()402
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 2 3/43/8-16x2-3/4 hex hd bolt a307 stl zc b18.2.1 () () ()700
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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/Clear3/8-16 x 3 1/23/8-16x3-1/2 hex hd bolt a307 stl zc b18.2.1 () () ()221
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 43/8-16x4 hex hd bolt a307 stl zc b18.2.1 () () ()49
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GLFOHHex Machine BoltGrade AGalvanized3/8-16 x 43/8-16x4 hex hd bolt a307 hdg b18.2.1 () () ()175
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GLFOHHex Machine BoltGrade AGalvanized3/8-16 x 103/8-16x10 hex hd bolt a307 stl hdg b18.2.1 () () ()84
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GLFOHHex Machine BoltGrade AGalvanized3/8-16 x 4 1/23/8-16x4-1/2 hex hd bolt a307 stl hdg b18.2.1 () () ()29
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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 BoltGrade AGalvanized3/8-16 x 2 1/23/8-16x2-1/2 hex hd bolt a307 stl hdg b18.2.1 () () ()265
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GLFOHHex Machine BoltGrade AGalvanized3/8-16 x 1 3/43/8-16x1-3/4 hex hd bolt a307 stl hdg b18.2.1 () () ()524
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GLFOHHex Machine BoltGrade AGalvanized3/8-16 x 113/8-16x11 hex hd bolt a307 stl hdg b18.2.1 () () ()12
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GLFOHHex Machine BoltGrade AGalvanized3/8-16 x 3/43/8-16x3/4 hex hd bolt a307 stl hdg b18.2.1 ()1304
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 1 1/23/8-16x1-1/2 hex hd bolt a307 stl zc b18.2.1 () () ()76
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 103/8-16 x 10 inch hex bolt stl hdg b18.2.1182
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 103/8-16 x 10 hex bolt stl znc b18.2.1115
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 13/8-16 x 1 hex bolt stl hdg b18.2.1277
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 13/8-16 x 1 hex bolt stl znc b18.2.12950
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 123/8-16 x 12 hex bolt stl znc b18.2.125
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 1 1/43/8-16 x 1 1/4 hex bolt stl hdg b18.2.11290
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 1 1/43/8-16 x 1 1/4 hex bolt stl znc b18.2.12071
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 1 1/23/8-16 x 1 1/2 hex bolt stl hdg b18.2.1972
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 1 1/23/8-16 x 1 1/2 hex bolt stl znc b18.2.1995
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 1 3/43/8-16 x 1 3/4 hex bolt stl znc b18.2.1394
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 4 1/23/8-16 x 4 1/2 hex bolt stl hdg b18.2.1300
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 4 1/23/8-16 x 4 1/2 hex bolt stl znc b18.2.1625
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 53/8-16 x 5 hex bolt stl hdg b18.2.1200
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 53/8-16 x 5 hex bolt stl znc b18.2.1100
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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 BoltSteelZinc/Clear3/8-16 x 5 1/23/8-16 x 5 1/2 hex bolt stl znc b18.2.1313
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 63/8-16 x 6 hex bolt stl hdg b18.2.1137
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 63/8-16 x 6 hex bolt stl znc b18.2.1213
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 6 1/23/8-16 x 6 1/2 hex bolt stl znc b18.2.1200
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 73/8-16 x 7 hex bolt stl hdg b18.2.1137
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ASMCILHex Machine BoltGrade AGalvanized3/8-16 x 2 1/23/8-16x2 1/2 (pt) coarse a307 gra hex bolt low carb hdg b18.2.1200
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 103/8-16 x 10 inch hex bolt stl hdg b18.2.120
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 13/8-16 x 1 hex bolt stl hdg b18.2.1300
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 13/8-16 x 1 hex bolt stl znc b18.2.1200
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 123/8-16 x 12 hex bolt stl hdg b18.2.145
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 1 1/43/8-16 x 1 1/4 hex bolt stl hdg b18.2.1100
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 1 1/43/8-16 x 1 1/4 hex bolt stl znc b18.2.1300
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 1 1/23/8-16 x 1 1/2 hex bolt stl hdg b18.2.1400
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 1 1/23/8-16 x 1 1/2 hex bolt stl znc b18.2.1600
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 4 1/23/8-16 x 4 1/2 hex bolt stl hdg b18.2.1150
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 4 1/23/8-16 x 4 1/2 hex bolt stl znc b18.2.1100
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 53/8-16 x 5 hex bolt stl hdg b18.2.125
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 53/8-16 x 5 hex bolt stl znc b18.2.1100
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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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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 63/8-16 x 6 hex bolt stl hdg b18.2.1100
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 63/8-16 x 6 hex bolt stl znc b18.2.1100
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 6 1/23/8-16 x 6 1/2 hex bolt stl znc b18.2.1100
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 3/43/8-16 x 3/4 hex bolt stl znc b18.2.1500
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 83/8-16 x 8 hex bolt stl znc b18.2.140
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AbabaCAHex Machine BoltSteelGalvanized3/8-16 x 23/8-16 x 2 hex bolt stl hdg b18.2.1200
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AbabaCAHex Machine BoltSteelZinc/Clear3/8-16 x 23/8-16 x 2 hex bolt stl znc b18.2.1400
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Alma BoltMIHex Machine BoltGrade 2Zinc/Clear3/8-16 x 2 1/23/8-16 x 2 1/2 hex hd blt gr2 zp b18.2.1950
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SIIINHex Machine BoltGrade 5Zinc/Clear3/8-16 x 73/8-16x7 grade 5 zinc finish hex bolt b18.2.1125
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 4 1/23/8-16 x 4-1/2 astm a307 grade a zinc finish hex bolt b18.2.1175
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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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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 3/43/8-16 x 3/4 astm a307 grade a zinc finish hex bolt b18.2.12353
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 1 1/43/8-16 x 1-1/4 astm a307 grade a zinc finish hex bolt b18.2.1450
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 1 1/23/8-16 x 1-1/2 astm a307 grade a zinc finish hex bolt b18.2.1600
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 1 3/43/8-16 x 1-3/4 astm a307 grade a zinc finish hex bolt b18.2.154
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 23/8-16 x 2 astm a307 grade a zinc finish hex bolt b18.2.11002
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 2 1/43/8-16 x 2-1/4 astm a307 grade a zinc finish hex bolt b18.2.1250
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 2 1/23/8-16 x 2-1/2 astm a307 grade a zinc finish hex bolt b18.2.1474
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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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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 3 1/23/8-16 x 3-1/2 astm a307 grade a zinc finish hex bolt b18.2.125
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 6 1/23/8-16 x 6-1/2 astm a307 grade a zinc finish hex bolt b18.2.1183
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SIIINHex Machine BoltGrade AZinc/Clear3/8-16 x 73/8-16 x 7 astm a307 grade a zinc finish hex bolt b18.2.1200
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SIIINHex Machine BoltSteelGalvanized3/8-16 x 1 1/43/8-16x1-1/4 hex bolt galv b18.2.1300
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QFCTXHex Machine BoltGrade 5Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 5 1/43/8-16x5-1/4 hex bolt grade 5 magni 565 1 thread b18.2.193157
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QFCTXHex Machine BoltGrade AZinc/Clear3/8-16 x 13/8-16x1 hex head bolt a307 zinc b18.2.190
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QFCTXHex Machine BoltGrade AGalvanized3/8-16 x 1 1/43/8-16x1-1/4 hex head bolt a307 hdg b18.2.11176
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QFCTXHex Machine BoltGrade AGalvanized3/8-16 x 1 1/23/8-16x1 1/2 hex head bolt a307 hdg b18.2.13163
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QFCTXHex Machine BoltGrade AGalvanized3/8-16 x 1 1/23/8-16x1 1/2 hex head bolt a307 hdg b18.2.178
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QFCTXHex Machine BoltSteelGalvanized3/8-16 x 1 3/43/8-16x1 3/4 hex machine bolt hdg b18.2.197
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QFCTXHex Machine BoltSteelGalvanized3/8-16 x 1 3/43/8-16x1 3/4 hex machine bolt hdg b18.2.1429
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QFCTXHex Machine BoltGrade AGalvanized3/8-16 x 2 1/23/8-16x2 1/2 hex machine bolt a307 hdg b18.2.137
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QFCTXHex Machine BoltGrade AGalvanized3/8-16 x 3/43/8-16x3/4 hex head bolt a307 hdg b18.2.171
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QFCTXHex Machine BoltGrade AGalvanized3/8-16 x 3/43/8-16x3/4 hex head bolt a307 hdg b18.2.14
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QFCTXHex Machine BoltGrade 5Galvanized3/8 x 1.375x1.00 grade 5 hdg hex bolt nut&lw b18.2.1233
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QFCTXHex Machine BoltGrade 5Galvanized3/8 x 1 1/2.375x1.50 grade 5 hex hdg bolt nut&lw b18.2.1123
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QFCTXHex Machine BoltGrade 5Galvanized3/8 x 2.375x2.00 grade 5 hdg hex bolt nut&lw b18.2.1141
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QFCTXHex Machine BoltGrade 5Galvanized3/8 x 2.375x2.00 grade 5 hdg hex bolt nut&lw b18.2.1136
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QFCTXHex Machine BoltGrade 5Galvanized3/8 x 2 1/2.375x2.50 grade 5 hdg hex bolt nut&lw b18.2.124
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QFCTXHex Machine BoltGrade 5Galvanized3/8 x 2 3/4.375x2.75 grade 5 hdg hex bolt nut&lw b18.2.153
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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 BoltGrade 5Galvanized3/8 x 3 1/4.375x3.25 grade 5 hdg hex bolt nut&lw b18.2.1103
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QFCTXHex Machine BoltGrade 5Galvanized3/8 x 4 1/2.375x4.50 grade 5 hdg hex bolt nut&lw b18.2.12
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QFCTXHex Machine BoltAluminumPlain3/8-16 x 3/43/8-16x3/4 hex bolt 2024 t-4 alum b18.2.11000
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B & K FASTPAHex Machine BoltGrade B7Zinc/Clear3/8-16 x 1 1/43/8-16 x 1 1/4 a193b7 hex bolts zinc b18.2.196
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B & K FASTPAHex Machine BoltSteelPlain3/8-16 x 1 1/23/8-16 x 1 1/2 nylon hex bolts b18.2.1418
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BHAMGAHex Machine BoltGrade APlain3/8-16 x 153/8-16x15 a307a hex bolt 6? tl b18.2.1120
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THRDFASTFLHex Machine BoltGrade B7Plain3/8-16 x 1 1/4a193 b7 h/b b18.2.1173
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 9a307a h/b hdg b18.2.1155
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 12a307a h/b hdg b18.2.1127
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 6 1/2a307a h/b hdg b18.2.190
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 7a307a h/b hdg b18.2.181
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 3 1/2a307a h/b hdg b18.2.119
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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 AGalvanized3/8-16 x 10a307a h/b hdg b18.2.14
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 5a307a h/b hdg b18.2.13
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 3 3/4a307a h/b hdg b18.2.1250
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 6 1/2a307a h/b hdg b18.2.115
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 3 1/4a307a h/b hdg b18.2.16
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THRDFASTOKHex Machine BoltGrade AGalvanized3/8-16 x 8a307a h/b hdg b18.2.168
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THRDFASTOKHex Machine BoltGrade B7Plain3/8-16 x 1 1/4a193 b7 h/b b18.2.150
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THRDFASTOKHex Machine BoltGrade AGalvanized3/8-16 x 8a307a h/b hdg rt6 b18.2.150
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THRDFASTOKHex Machine BoltGrade AGalvanized3/8-16 x 1 1/4a307a h/b hdg b18.2.1 domestic20
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 2a307a h/b hdg b18.2.159
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 2 1/2a307a h/b hdg b18.2.137
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 8a307a h/b hdg b18.2.120
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THRDFASTFLHex Machine BoltGrade AGalvanized3/8-16 x 1 1/4a307a h/b hdg b18.2.114
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Coburn Myers Fastening SystemsPAHex Machine BoltGrade AZinc/Black3/8-16 x 1hex bolt a307-a black zinc b18.2.16100
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All SizeTXHex Machine BoltGrade AGalvanized3/8-16 x 3 1/23/8-16 x 3 1/2 a307 hex bolt galv b18.2.1416
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All SizeTXHex Machine BoltGrade 8Plain3/8-16 x 2 1/43/8-16 x 2 1/4 gr. 8 hex bolt domestic b18.2.1300
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All SizeTXHex Machine BoltGrade 8Plain3/8-16 x 1 3/43/8-16 x 1 3/4 gr. 8 hex bolt domestic b18.2.153
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All SizeTXHex Machine BoltGrade 5Plain3/8-24 x 43/8-24 x 4 gr. 5 hex bolt b18.2.150
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All SizeTXHex Machine BoltGrade 8Plain3/8-16 x 1 1/43/8-16 x 1 1/4 gr. 8 hex bolt domestic b18.2.1697
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All SizeTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24 x 3/43/8-24x3/4 stainless steel hex bolt b18.2.1124
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All SizeTXHex Machine BoltGrade 2Plain3/8-16 x 4 1/23/8-16 x 4 1/2 grade 2 hex bolt b18.2.1242
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All SizeTXHex Machine BoltGrade 5Plain3/8-16 x 2 1/43/8-16 x 2 1/4 gr. 5 hex bolt plain b18.2.150
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All SizeTXHex Machine BoltGrade 8Plain3/8-24 x 83/8-24 x 8 gr. 8 hex bolt plain b18.2.122
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All SizeTXHex Machine BoltGrade 8Plain3/8-24 x 3 3/43/8-24 x 3 3/4 gr. 8 hex bolt b18.2.1129
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All SizeTXHex Machine BoltGrade 5Plain3/8-16 x 4 3/43/8-16 x 4 3/4 gr. 5 hex bolt b18.2.1130
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All SizeTXHex Machine BoltGrade 8Plain3/8-24 x 3 1/43/8-24 x 3 1/4 gr. 8 hex bolt plain b18.2.144
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All SizeTXHex Machine BoltGrade 5Plain3/8-16 x 93/8-16 x 9 gr. 5 hex bolt b18.2.198
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All SizeTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3 1/43/8-16 x 3 1/4 hex bolt s/s b18.2.120
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All SizeTXHex Machine BoltGrade 8Plain3/8-16 x 1 1/83/8-16 x 1 3/4 gr. 8 hex bolt 1/8 hole drilled in head b18.2.1146
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All SizeTXHex Machine BoltGrade 8Plain3/8-24 x 63/8-24 x 6 gr. 8 hex bolt b18.2.1159
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All SizeTXHex Machine BoltGrade 8Plain3/8-24 x 3 1/23/8-24 x 3 1/2 gr. 8 hex bolt b18.2.1180
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All SizeTXHex Machine BoltGrade 2Galvanized3/8-16 x 2 1/83/8-16 x 2 grade 2 hex bolt galv 1/8 hole drilled in head b18.2.164
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All SizeTXHex Machine BoltGrade 8Plain3/8-16 x 3/43/8-16 x 3/4 hex bolt gr. 8 domestic b18.2.1984
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All SizeTXHex Machine BoltGrade 5Plain3/8-24 x 2 1/23/8-24 x 2 1/2 gr. 5 hex bolt b18.2.1352
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