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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 () () ()190
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 13/8-16x1 hex hd bolt a307 stl zc b18.2.1 () () ()3216
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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 1/23/8-16x1-1/2 hex hd bolt a307 stl zc b18.2.1 () () ()76
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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 () () ()520
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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 () () ()180
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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 AZinc/Clear3/8-16 x 3/43/8-16x3/4 hex hd bolt a307 stl zc b18.2.1 () () ()1362
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 53/8-16x5 hex hd bolt a307 stl zc b18.2.1 () () ()179
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 73/8-16x7 hex hd bolt a307 stl zc b18.2.1 () () ()104
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GLFOHHex Machine BoltGrade AZinc/Clear3/8-16 x 2 1/43/8-16x2-1/4 hex hd bolt a307 stl zc b18.2.1 () () ()3625
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GLFOHHex Machine BoltGrade AGalvanized3/8-16 x 1 1/43/8-16x1-1/4 hex hd bolt a307 stl hdg b18.2.1 () () ()810
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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 Bolt Grade 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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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 BoltSteelZinc/Clear3/8-16 x 6 1/2bolt hex 3/816x6-1/2 steel zinc plated # b18.2.1429
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow3/8-16 x 6 1/2bolt hex 3/816x6-1/2 grade 8 steel zinc plated yellow b18.2.1160
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JET FITTINGCAHex Machine Bolt316, 317, A4 StainlessPlain3/8-16 x 3/4bolt hex 3/816x3/4 316stainless steel b18.2.15
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JET FITTINGCAHex Machine BoltBrassPlain3/8-16 x 3/4bolt hex 3/816x3/4 brass b18.2.147
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JET FITTINGCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3/4bolt hex 3/816x3/4 stainless steel b18.2.14
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow3/8-16 x 3/4bolt hex 3/816x3/4 grade 8 steel zinc plated yellow b18.2.1700
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JET FITTINGCAHex Machine BoltGrade 8Plain3/8-16 x 7/8bolt hex 3/816x7/8 grade 8 b18.2.150
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear3/8-16 x 13/8-16x1 (ft) hex bolt steel a307 zinc plated b18.2.1127
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear3/8-16 x 13/8-16x1 (ft) hex bolt steel a307 zinc plated b18.2.11100
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow3/8-16 x 1bolt hex 3/816x1 grade 8 steel zinc plated yellow b18.2.1825
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JET FITTINGCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/4bolt hex 3/816x1-1/4 stainless steel b18.2.179
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JET FITTINGCAHex Machine BoltGrade 5Black Oxide3/8-16 x 1 1/4bolt hex 3/816x1-1/4 grade 5 al2m-blk b18.2.1799
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JET FITTINGCAHex Machine BoltGrade 5Zinc/Clear3/8-16 x 1 1/4bolt hex 3/816x1-1/4 grade 5 bsteel zinc plated b18.2.11990
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JET FITTINGCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 3/8bolt hex 3/816x1-3/8 stainless steel b18.2.1188
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JET FITTINGCAHex Machine BoltSilicon BronzePainted3/8-16 x 1 1/23/8-16x1-1/2 hex bolt bronze b18.2.115
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear3/8-16 x 1 1/2bolt hex 3/816x1-1/2 grade 2 steel zinc plated b18.2.1150
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow3/8-16 x 1 1/2bolt hex 3/816x1-1/2 grade 8 steel zinc plated yellow partially threaded b18.2.1325
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear3/8-16 x 1 3/4bolt hex 3/816x1-3/4 grade 2 steel zinc plated b18.2.1184
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