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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

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

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
OneMonroeNCHex Machine BoltGrade AZinc/Clear1 1/4-7 x 5 1/21-1/4-7 x 5-1/2 zinc finish astm a307a hex bolt2
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OneMonroeNCHex Machine BoltGrade AZinc/Clear3/4-10 x 33/4-10 x 3 zinc finish astm a307a hex bolt16
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OneMonroeNCHex Machine BoltGrade APlain3/4-10 x 143/4-10 x 14 plain finish astm a307a hex bolt13
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OneMonroeNCHex Machine BoltGrade APlain3/4-10 x 73/4-10 x 7 plain finish astm a307a hex bolt49
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OneMonroeNCHex Machine BoltGrade APlain3/4-10 x 3 1/23/4-10 x 3-1/2 plain finish astm a307a hex bolt200
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OneMonroeNCHex Machine BoltGrade APlain3/4-10 x 1 1/23/4-10 x 1-1/2 plain finish astm a307a hex bolt260
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OneMonroeNCHex Machine BoltGrade APlain3/4-10 x 1 1/43/4-10 x 1-1/4 plain finish astm a307a hex bolt2854
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OneMonroeNCHex Machine BoltGrade APlain1/2-13 x 11/2-13 x 1 plain finish astm a307a hex bolt600
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1-8 x 3 1/41-8 x 3 1/4 astm a307 hex bolt zinc pltd41
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1-8 x 21-8 x 2 astm a307 hex bolt zinc pltd2
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OneMonroeNCHex Machine BoltGrade APlain1/4-20 x 41/4-20 x 4 plain finish astm a307a hex bolt450
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OneMonroeNCHex Machine BoltSteelPlainhex bolt (1/2-13 )404
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OneMonroeNCHex Machine Boltnas1003-6a75
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OneMonroeMAHex Machine BoltGrade AZinc/Clear5/16-18 x 1 1/25/16-18 x 1-1/2 pt hex machine bolt a307 grade a steel zinc815
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OneMonroeNCHex Machine BoltGrade 8Plain1 1/2-12 x 41-1/2-12 x 4 plain finish sae j429 grade 8 hex bolt2
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OneMonroeNCHex Machine BoltGrade 2Plain1 3/4-5 x 4 1/21-3/4-5 x 4-1/2 hex bolt gr210
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1 1/2-6 x 81 1/2-6 x 8 astm a307 hex bolt zinc pltd6
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1 1/2-6 x 61 1/2-6 x 6 astm a307 hex bolt zinc pltd9
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1 1/2-6 x 51 1/2-6 x 5 astm a307 hex bolt zinc pltd11
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1 1/2-6 x 4 1/21 1/2-6 x 4 1/2 astm a307 hex bolt zinc pltd20
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WeaverWAHex Machine BoltGrade AGalvanized1/4-20 x 1 1/41/4-20 x 1 1/4 a307 low carbon hex bolt galvanized1676
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OneMonroeMAHex Machine BoltGrade 2Plain1/4-20 x 3 1/41/4-20 x 3 1/4 hex hd bolt gr 2 z/cl4400
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WeaverWAHex Machine BoltGrade AGalvanized5/8-11 x 125/8-11 x 12 a307 low carbon hex bolt galvanized248
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CenturyFLHex Machine BoltCadmium5/16-24 x 1 23/32an5-15a75
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CenturyFLHex Machine BoltSuperalloy (Inconel, Hastelloy, Alloy 20)Plainnas6706-20 hex bolt close tolerance a2862
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CenturyFLHex Machine BoltSuperalloy (Inconel, Hastelloy, Alloy 20)Plain3/8-24 x 4.578nas6706u64 3/8-24 x 4.578 hex head a2862
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CenturyFLHex Machine BoltSteelPlainb1821bh088f088n screw cap hexagon head4
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CenturyFLHex Machine BoltSteelPlainthomas & betts 5262 o-ring sealing nsn 5330-01-206-0213211
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CenturyFLHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain86nas6303u8 bolt3
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CenturyFLHex Machine BoltPlainms16208-103s316419
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CenturyFLHex Machine BoltSuperalloy (Inconel, Hastelloy, Alloy 20)Plainnas6704-22 bolt close tolerance hex head9
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CenturyFLHex Machine BoltCadmium/Yellow1/4-28 x 1 13/32an174-13a3
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CenturyFLHex Machine BoltSteelPlainb1821bh025c056n bolt10
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CenturyFLHex Machine BoltPlainms16208-56s31635
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CenturyFLHex Machine BoltSteelCadmium/Yellowan174c10 bolt49
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CenturyFLHex Machine BoltPlainms16208-151s31648
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CenturyFLHex Machine Boltms35764-204601
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GLFOHHex Machine BoltGrade AGalvanized1 1/2-6 x 41-1/2-6 x 4 hex hd bolt a307 stl hdg2
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GLFOHHex Machine BoltGrade AGalvanized1/2-13 x 1 1/41/2-13 x 1-1/4 hex hd bolt a307 stl hdg1
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OneMonroeMNHex Machine BoltGrade 8Zinc/Clear1/2-13 x 21/2-13 x 2-12/hex bolt grade 8 trivalent zinc plating wurtec clamps29
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OneMonroeMNHex Machine BoltGrade APlain3/4-10 x 63/4-10 x 6 astm a307 hex bolt40
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OneMonroeMNHex Machine BoltGrade AZinc/Clear1 1/4-7 x 71 1/4-7 x 7 astm a307 hex bolt zinc pltd7
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OneMonroeMNHex Machine BoltGrade APlain3/4-10 x 3 1/23/4-10 x 3-1/2 plain finish astm a307a hex bolt200
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OneMonroeMNHex Machine BoltGrade AZinc/Clear1/2-13 x 2 1/41/2-13 x 2-1/4 zinc finish astm a307a hex bolt285
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OneMonroeMNHex Machine BoltGrade AZinc/Clear7/8-9 x 2 1/47/8-9 x 2-1/4 zinc finish astm a307a hex bolt20
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OneMonroeMNHex Machine BoltGrade AZinc/Clear1 1/8-7 x 2 1/21-1/8-7 x 2-1/2 zinc finish astm a307a hex bolt26
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OneMonroeMNHex Machine BoltASTM A354 Grade BDPlain1-8 x 3.01-8unc3a x 3.0 a354-bd hx bolts mil-f-18240 usa/domest2
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OneMonroeMNHex Machine BoltGrade AZinc/Clear3/8-16 x 83/8-16 x 8 zinc finish astm a307a hex bolt8
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OneMonroeMNHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 61/2-13 x 6 hex head bolt 3.25 t/l 18-8 stainless steel per print mpi rev. a 11-09-1687
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OneMonroeMNHex Machine BoltGrade B7Plain5/8-11 x 1 1/25/8-11 x 1 1/2 a193-b7 finished hex bolt1
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Alma BoltMIHex Machine BoltGrade 2Zinc/Clear1/2-13 x 101/2-13 x 10 hex hd bolt gr2 zp394
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Alma BoltMIHex Machine BoltGrade 2Plain7/8-9 x 47/8-9 x 4 hex hd mach bolt g269
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Alma BoltMIHex Machine BoltGrade 2Plain1 1/2-6 x 41 1/2-6 x 4 hex hd mach bolt g237
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Alma BoltMIHex Machine BoltGrade 2Plain5/8-11 x 85/8-11 x 8 hex hd mach bolt g2715
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Alma BoltMIHex Machine BoltGrade 2Zinc/Clear1/2-13 x 41/2-13 x 4 hex hd bolt gr2 zp1305
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Alma BoltMIHex Machine BoltGrade 2Plain1/4-20 x 3/41/4-20 x 3/4 hex hd mach bolt g214790
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Alma BoltMIHex Machine BoltGrade 2Plain1 1/2-6 x 7 1/21 1/2-6 x 7 1/2 hex hd mach bolt g222
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Alma BoltMIHex Machine BoltGrade 2Plain5/16-18 x 35/16-18 x 3 hex hd mach bolt g22852
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CIFILHex Machine BoltGrade AGalvanized3/8-16 x 1 1/43/8-16 x 1 1/4 hex machine bolt a307 hot dip galvanized1020
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CIFILHex Machine BoltGrade APlain3/4-10 x 113/4-10 x 11 hex machine bolt a307 plain13
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Marshall MIHex Machine BoltGrade AGalvanized5/8-11 x 5 1/25/8-11x5-1/2 hex bolt a307 gr a hot dip g34
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Marshall MIHex Machine BoltGrade AGalvanized1/2-13 x 61/2-13x6 a307 hex bolt galv89
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SWACOOHHex Machine BoltGrade AZinc/Clear1/2-13 x 8 1/21/2-13x8 1/2 hex bolt a307 gr a zn23
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SWACOOHHex Machine BoltGrade APlain1/4-20 x 3 1/21/4-20x3 1/2 hx bolt a307 gr a low s75
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SWACOOHHex Machine BoltGrade AZinc/Clear5/16-18 x 35/16-18x3 hex bolt a307 gr a zn50
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SWACOOHHex Machine BoltGrade AGalvanized3/4-10 x 163/4-10x16 6 hex bolt a307 gr a hdg2
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SWACOOHHex Machine BoltGrade AZinc/Clear 3/8-16 x 4 1/23/8-16x4 1/2 hex bolt a307 gr a zn36
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SWACOOHHex Machine BoltGrade AGalvanized5/8-11 x 1 1/25/8-11x1 1/2 hx bolt a307 gr a hdg200
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SWACOOHHex Machine BoltSteelCadmium/Yellow1/4-28 x 1 9/32bolt-machine aircraft an4-12a290
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SWACOOHHex Machine BoltGrade APlain3/4-10 x 3 1/23/4-10x3 1/2 hex bolt a307 gr a low s52
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SWACOOHHex Machine BoltGrade AZinc/Clear5/8-11 x 85/8-11x8 hex bolt a307 gr a zn28
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SWACOOHHex Machine BoltGrade AGalvanized3/4-10 x 63/4-10x6 hex bolt a307 gr a hdg10
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Coburn Myers Fastening SystemsPAHex Machine Bolt316, 317, A4 StainlessPlainhex machine bolt a4-70 stainless plain136
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Coburn Myers Fastening SystemsPAHex Machine BoltGrade 2Zinc/Clearhex machine bolt grade 2 zinc/clear18
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Coburn Myers Fastening SystemsPAHex Machine BoltGrade 2Zinc/Clearhex machine bolt grade 2 zinc/clear17
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Coburn Myers Fastening SystemsPAHex Machine BoltGrade 2Zinc/Clearhex machine bolt grade 2 zinc/clear40
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Coburn Myers Fastening SystemsPAHex Machine BoltGrade 2Plainhex machine bolt grade 2 plain3
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Coburn Myers Fastening SystemsPAHex Machine BoltGrade 2Plainhex machine bolt grade 2 plain43
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Coburn Myers Fastening SystemsPAHex Machine BoltGrade 2Galvanizedhex machine bolt grade 2 galvanized10
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Coburn Myers Fastening SystemsPAHex Machine BoltGrade 2Plainhex machine bolt grade 2 plain22
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Coburn Myers Fastening SystemsPAHex Machine BoltGrade 2Plainhex machine bolt grade 2 plain350
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Coburn Myers Fastening SystemsPAHex Machine BoltGrade 2Galvanizedhex machine bolt grade 2 galvanized8
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AIHAZHex Machine BoltSteelCadmium/Yellownas6206-12 bolt535
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AIHAZHex Machine BoltSteelCadmiumhex head bolt alloy w/cad plating50
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AIHAZHex Machine BoltSteelPlain#10-32 x 2 3/410-32x2 3/4 hex head bolt40
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NutsBoltsNEHex Machine BoltGrade AGalvanized1/4-20 x 31/4-20 x 3 a307 hex bolt hdg |1500
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OneMonroeMAHex Machine BoltGrade APlain1/2-13 x 61/2-13 x 6 plain finish astm a307a hex bolt935
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Field FasILHex Machine BoltGrade B7Plain1/2-13 x 3 1/21/2-13 x 3 1/2 a193 b7 hex bolt stl pln288
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LonghornTXHex Machine BoltGrade AGalvanized1/2-13 x 11/2-13 x 1 hex cap screw a307 hdg748
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AEROSPCEMNHex Machine BoltSteelPlain632 x 1.5nas1130-06l15dsf 632 1.5dia tangless locking dry film1000
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RapidNYHex Machine Boltuniv.head inconel 600 per as7232 i/a/w rev e 1/4 x 7/8 annealed AN1233910.294
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RapidNYHex Machine BoltSteelCadmiumBOLT, MACHINE, AIRCRAFT, Alloy Steel, 5/8-18 UNF-3A, 0.624 - 0.62 Dia. X 7.016 Length, 6.063 GRIP, Cadmium per AMS-QQ-416, TY2, CL2, Drilled Shank Only AN10-676
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RapidNYHex Machine BoltSteelCadmium5/16-24 x 1 19/32bolt machine aircraft alloy steel 5/16-24 unf-3a 0.312-0.309 dia. x 1.594 long 1.063 grip cadmium plated ams-qq-p-416 type ii class 2 un-drilled head & shank AN5-14A3171
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RapidNYHex Machine BoltSteelCadmiumBOLT, MACHINE, AIRCRAFT ALLOY STEEL 3/4-16 UNF-3A X 3.656 LONG, 2.563 GRIP, Cadmium Plated, AMS-QQ-P-416, TYPE II, CLASS 2 UNDRILLED SHANK AND HEAD AN12-34A8
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RapidNYHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-24 x 1.688bolt machine aircraft 431 cres 5/16-24 unf-3a 0.312-0.309 dia. x 2.219 long 1.688 grip passivate per ams2700 un-drilled head & shank 304ss AN5C21A570
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RapidNYHex Machine BoltSteelCadmium#10-32 x 1/250bolt hex machine alloy steel cadmium finish 10-32 unf .550 long72
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ParkerAZHex Machine BoltSteelPassivated1/2-20 x 1.7351/2-20 x 1.735 hex cap screw .735 thread a286 hardened passivate per nas6708u16 made in u.s.a.675
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Pac BoltBCHex Machine BoltGrade AGalvanized3/4 x 143/4 x 14 a307 hex hf bolt 6 nc galv b18.2.1200
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FDLILHex Machine BoltGrade 5Plain3/4-10 x 4 3/43/4-10 x 4-3/4 hex head machine bolt, grade 5, plain finish, per print 5821 rev c 82pcs/ctn & 25kgs/ctn b18.2.18586
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ASFCORPMIHex Machine BoltGrade AZinc/Clear3/4-10 x 23/4-10 x 2 hx hd blt a307 gr a tri zn fe/zn 5an190
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THRDFASTOKHex Machine BoltGrade AGalvanized1-8 x 3 1/2a307a h/b hdg domestic b18.2.13
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THRDFASTALHex Machine BoltGrade AGalvanized7/8-9 x 12a307a h/b hdg b18.2.110
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THRDFASTALHex Machine BoltGrade AGalvanized7/8-9 x 32a307a h/b hdg rt6 b18.2.18
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THRDFASTOKHex Machine BoltGrade AGalvanized5/8-11 x 2 3/4a307a h/b hdg b18.2.16
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LightningLAHex Machine BoltGrade AGalvanized3/4-10 x 10hex hd m/b a307 . w/6 thd108
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LightningLAHex Machine BoltGrade AGalvanized1-8 x 36hex hd m/b a307 w/6 thd16
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LightningLAHex Machine BoltGrade AGalvanized1/2 x 10hex hd m/b a307 w/6 thd251
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LightningLAHex Machine BoltGrade B7Plain5/16-18 x 1 1/4astm a193 b7 h/b422
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