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3/8 inch length Hex Bolts

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

25 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
SunPackFLHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/81/4-20x3/8 18-8 ss fin hex bolt6
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SunPackFLHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3/8#10-24x3/8 18-8 ss fin hex bolt166
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SunPackFLHex Machine Bolt316, 317, A4 StainlessPlain1/4-20 x 3/81/4-20x3/8 316 ss fin hex bolt50
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SunPackFLHex Machine BoltGrade 8Zinc/Yellow1/4-20 x 3/81/4-20x3/8 j429 gr8 fin hex bolt yellow zinc173
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MESAFASTCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/8h/b 18-8 s/s650.0
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HayesCAHex Machine BoltSteelCadmium#8 x 3/8an535-8-6 #8 x 3/8 rd t-u screw cad i10
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Set ScrewILHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/818-8 304 hex boltinquire
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MTPCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 3/8#10-32 x 3/8 18-8 s.s trim hex hd bolts f/thstock
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MFSKSHex Machine BoltGrade 2Zinc/Clear3/8-16 x 3/8hex bolt198
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MFSKSHex Machine BoltSteelZinc/Yellow1/4-20 x 3/8hex bolt32
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MFSKSHex Machine BoltSteelZinc/Clear1/4-20 x 3/8hex bolt3804
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MFSKSHex Machine BoltGrade 2Zinc/Clear1/4-28 x 3/8grade 2 hex bolt53
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ExpressCAHex Machine BoltGrade 5Zinc/Clear1/4-20 x 3/81/4-20x3/8 hex bolt grade 5 zinc200
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MTPCAHex Machine BoltGrade 8Black Oxide1/4-28 x 3/81/4-28 x 3/8 gr.8 blk hex hd boltsstock
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HBBOLTCAHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/8h/b [304 ss]240
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SunPackFLHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3/818-8 ss fin h/b166
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SunPackFLHex Machine BoltGrade 8Zinc/Yellow1/4-20 x 3/81/4-20x3/8 j429 gr8 fin hex bolt yellow zinc173
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SunPackFLHex Machine Bolt316, 317, A4 StainlessPlain1/4-20 x 3/8316 ss fin h/b50
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SunPackFLHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 3/8304 ss fin h/b6
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QFCTXHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24 x 3/810-24x3/8 hex head bolt 18-8 s/s domestic b18.2.1681
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LippinCAHex Machine BoltGrade 2Zinc/Clear1/4-20 x 3/8hex bolt gr-2 zinc plated6500
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LippinCAHex Machine BoltGrade 2Zinc/Clear5/16-18 x 3/8hex bolt gr-2 zinc plated7900
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JET FITTINGCAHex Machine BoltGrade 5Zinc/Clear1/4-20 x 3/8bolt hex 1/420x3/8 grade 5 steel zinc plated b18.2.11000
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JET FITTINGCAHex Machine BoltGrade 5Zinc/Clear1/4-28 x 3/8bolt hex 1/428x3/8 grade 5 steel zinc plated b18.2.15000
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All SizeTXHex Machine BoltGrade 8Plain1/4-20 x 3/81/4-20 x 3/8 gr. 8 hex bolt b18.2.11,561
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