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Hex Bolts, Grade 8 (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 
BHAMALHex Machine BoltGrade 8Plain3/8-16 x 1 1/43/8-16 x1 1/4 hh g8 place bolt b18.2.1878
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BHAMALHex Machine BoltGrade 8Zinc/Yellow7/8-9 x 47/8-9x4 hex bolt gr. 8 yell. zinc dom. b18.2.1270
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QFCTXHex Machine BoltGrade 8Plain1 1/4-7 x 141 1/4-7x14 hex bolt gr8 plain b18.2.12
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QFCTXHex Machine BoltGrade 8Zinc/Yellow1 1/2-6 x 71 1/2-6x7 hex bolt gr8 y/zinc b18.2.13
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General FMIHex Machine BoltGrade 8Plain3/4-10 x 2 3/43/4-10x2.75 hex bolt gr8 patch q29 spc b18.2.17,755
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General FMIHex Machine BoltGrade 8Plain5/8-18 x 21/85/8-18x 2.125 diff case gearhex bolt gr8 b18.2.111040
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QFCTXHex Machine BoltGrade 8Plain5/8-18 x 2 3/45/8-18 x 2 3/4 hex flanf=ge bolt gr8 ph b18.2.14398
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QFCTXHex Machine BoltGrade 8Plain7/8 x 7 1/27/8x7-1/2 ss hex machine bolt a193 cl1 gr8 type-304 100% domestic melt & mfg b18.2.12
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QFCTXHex Machine BoltGrade 8Plain7/8 x 47/8 x 4 ss hex machine bolt a193 cl1 gr8 type-304 100% domestic melt & mfg b18.2.11
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow5/8-11 x 2 1/2bolt hex 5/8-11x2-1/2 grade 8 steel zinc plated yellow partially threaded b18.2.175
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow3/4-10 x 1 1/2bolt hex 3/4-10x1-1/2 gr8 steel zinc plated yellow b18.2.125
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow5/16-18 x 7/8bolt hex 5/1618x7/8 grade 8 steel zinc plated yellow b18.2.1100
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow5/16-18 x 1bolt hex 5/1618x1 gr8 steel zinc plated yellow b18.2.1300
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow5/16-18 x 1 1/4bolt hex 5/1618x1-1/4 grade 8 zinc plated yellow b18.2.1900
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow5/16-18 x 1 3/4bolt hex 5/1618x1-3/4 grade 8 steel zinc plated yellow b18.2.12250
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow5/16-18 x 2 1/2bolt hex 5/1618x2-1/2 grade 8 steel zinc plated yellow b18.2.160
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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 8Zinc/Yellow5/16-18 x 3 1/2bolt hex 5/1618x3-1/2 grade 8 steel zinc plated yellow b18.2.1230
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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 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 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 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 8Zinc/Yellow3/8-16 x 1 3/4bolt hex 3/816x1-3/4 grade 8 steel zinc plated yellow b18.2.1250
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow3/8-16 x 2 1/2bolt hex 3/816x2-1/2 grade 8 steel zinc plated yellow partially threaded b18.2.1100
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow3/8-16 x 4 1/4bolt hex 3/816x4-1/4 grade 8 steel zinc plated yellow b18.2.1125
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow7/16-14 x 1 1/4bolt hex 7/1614x1-1/4 grade 8 steel zinc plated yellow b18.2.1395
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow7/16-14 x 2bolt hex 7/16-14x2 grade8 zinc yellow b18.2.1200
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JET FITTINGCAHex Machine BoltGrade 8Zinc/Yellow7/16-20 x 1 1/4bolt hex 7/1620x1-1/4 grade 8 zinc yellow b18.2.1350
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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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WSBKYHex Machine BoltGrade 8Plain2-4 1/2 x 15blt hex el0945 gr8 2-4.5x15 b18.2.140
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All SizeTXHex Machine BoltGrade 8Plain7/16-20 x 1 1/87/16-20 x 1 1/8 gr. 8 hex bolt b18.2.137
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All SizeTXHex Machine BoltGrade 8Plain5/16-18 x 5 1/25/16-18 x 5-1/2 hex bolt grade 8 domestic b18.2.122
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All SizeTXHex Machine BoltGrade 8Plain7/8-14 x 77/8-14 x 7 grade 8 hex bolt domestic b18.2.11
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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 17/16-14 x 1 gr. 8 hex bolt domestic b18.2.11,188
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All SizeTXHex Machine BoltGrade 8Plain5/16-18 x 2 1/45/16-18 x 2 1/4 hex bolt grade 8 domestic b18.2.1401
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All SizeTXHex Machine BoltGrade 8Plain5/16-18 x 2 3/45/16-18 x 2 3/4 gr. 8 hex bolt domestic b18.2.1349
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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 8Plain1/4-20 x 2 1/21/4-20 x 2 1/2 gr. 8 hex bolt domestic b18.2.11,070
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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 8Plain1-8 x 1 1/21-8 x 1 1/2 gr. 8 hex bolt domestic b18.2.150
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All SizeTXHex Machine BoltGrade 8Plain5/8-18 x 155/8-18 x 15 gr. 8 hex bolt plain b18.2.112
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All SizeTXHex Machine BoltGrade 8Plain1/2-13 x 3/41/2-13 x 3/4 gr. 8 hex bolt domestic b18.2.1138
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All SizeTXHex Machine BoltGrade 8Plain3/4-10 x 83/4-10 x 8 gr. 8 hex bolt b18.2.168
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All SizeTXHex Machine BoltGrade 8Plain5/8-18 x 65/8-18 x 6 gr. 8 hex bolt b18.2.114
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All SizeTXHex Machine BoltGrade 8Plain1 1/8-7 x 5 1/21 1/8-7 x 5 1/2 gr. 8 hex bolt b18.2.110
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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 BoltGrade 8Plain1-8 x 91-8 x 9 gr. 8 hex bolt plain b18.2.115
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All SizeTXHex Machine BoltGrade 8Plain1/2-20 x 41/2-20 x 4 gr. 8 hex bolt plain b18.2.1106
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