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Hex Bolts, Grade 2 or Grade A (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 
AbabaCAHex Machine BoltGrade APlain1-8 x 121-8 x 12 hex bolt a307 w/2.50 thd cone pt steel p b18.2.15
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AbabaCAHex Machine BoltGrade APlain1-8 x 81-8 x 8 hex bolt a307 w/2.50 thd cone pt steel pl b18.2.14
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AbabaCAHex Machine BoltGrade AGalvanized1 1/2-6 x 2 1/21 1/2-6 x 2 1/2 hex bolt a307a stl hdg b18.2.14
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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/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/Clear1/4-20 x 2 1/41/4-20 x 2-1/4 astm a307 grade a zinc finish hex bolt b18.2.1500
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SIIINHex Machine BoltGrade AZinc/Clear5/16-18 x 3/45/16-18 x 3/4 astm a307 grade a zinc finish hex bolt b18.2.11350
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SIIINHex Machine BoltGrade AZinc/Clear5/16-18 x 1 1/25/16-18 x 1-1/2 astm a307 grade a zinc finish hex bolt b18.2.11171
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SIIINHex Machine BoltGrade AZinc/Clear5/16-18 x 1 3/45/16-18 x 1-3/4 astm a307 grade a zinc finish hex bolt b18.2.1625
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SIIINHex Machine BoltGrade AZinc/Clear5/16-18 x 2 1/45/16-18 x 2-1/4 astm a307 grade a zinc finish hex bolt b18.2.1650
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SIIINHex Machine BoltGrade AZinc/Clear5/16-18 x 45/16-18 x 4 astm a307 grade a zinc finish hex bolt b18.2.1625
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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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QFCTXHex Machine BoltGrade ADip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)5/16-18 x 85/16-18x8 hex bolt 4 thread (a307) gr2 magni 565 b18.2.19046
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QFCTXHex Machine BoltGrade AGalvanized1/4-20 x 1 1/21/4-20x1 1/2 hex head bolt a307 hdg b18.2.11900
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QFCTXHex Machine BoltGrade AGalvanized1/4-20 x 1 3/41/4-20x1 3/4 hex head bolt a307 hdg b18.2.1611
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B & K FASTPAHex Machine BoltGrade 2Plain9/16 x 3 3/49/16 x 3 3/4 hex blank bolts gr 2 plain b18.2.1121
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B & K FASTPAHex Machine BoltGrade AGalvanized1 1/4-7 x 261 1/4-7 x 26 hex head bolts w/8 thread galv a307 grade-a b18.2.112
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Yellow5/811 x 1bolt hex 5/811x1 grade 2 steel zinc plated yellow b18.2.1305
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JET FITTINGCAHex Machine BoltGrade 2Plain5/811 x 3 3/4bolt hex 5/811x3-3/4 grade 2 b18.2.135
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JET FITTINGCAHex Machine BoltGrade 2Plain5/818 x 3 1/4bolt hex 5/818x3-1/4 grade 2 b18.2.150
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JET FITTINGCAHex Machine BoltGrade 2Plain3/4-16 x 2bolt hex 3/416x2 grade 2 b18.2.115
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JET FITTINGCAHex Machine BoltGrade 2Plain3/4-16 x 2 1/4bolt hex 3/416x2-1/4 grade 2 b18.2.190
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear7/89 x 12bolt hex 7/89x12 grade 2 steel zinc plated b18.2.124
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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/Yellow7/89 x 3 3/4bolt hex 7/89x3-3/4 grade 2 steel zinc plated yellow b18.2.185
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear7/8-14 x 1 3/8bolt hex 7/814x1-3/8 grade 2 steel zinc plated b18.2.121
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JET FITTINGCAHex Machine BoltGrade 2Zinc/Clear7/8-14 x 2 1/2bolt hex 7/814x2-1/2 grade 2 steel zinc plated b18.2.1175
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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 20 x 1 3/4bolt hex 1 20x1-3/4 grade 2 steel zinc plated b18.2.140
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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 2Cadmium1 14 x 5bolt hex 1 14x5 grade 2 cp b18.2.1296
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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 BoltGrade 2Zinc/Clearx 3 1/2bolt hex 1-1/8 12x3-1/2 grade 2 steel zinc plated b18.2.128
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear5/16-18 x 5/8bolt hex 5/1618x5/8 a307 steel zinc plated b18.2.1346
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear5/16-18 x 3/45/16-18x3/4 (pt) hex bolt steel a307 zinc plated b18.2.1500
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JET FITTINGCAHex Machine BoltGrade AZinc/Clear5/16-18 x 7/8bolt hex 5/1618x7/8 a307 steel zinc plated b18.2.1559
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