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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/Clear3/4-10 x 73/4-10 x 7 zinc finish astm a307a hex bolt21
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OneMonroeNCHex Machine BoltGrade AZinc/Clear3/4-10 x 53/4-10 x 5 zinc finish astm a307a hex bolt9
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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 AZinc/Clear5/8-11 x 135/8-11 x 13 zinc finish astm a307a hex bolt11
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/8-11 x 95/8-11 x 9 zinc finish astm a307a hex bolt49
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/8-11 x 7 1/25/8-11 x 7-1/2 zinc finish astm a307a hex bolt20
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/8-11 x 75/8-11 x 7 zinc finish astm a307a hex bolt10
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/8-11 x 5 1/25/8-11 x 5-1/2 zinc finish astm a307a hex bolt50
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/8-11 x 4 1/25/8-11 x 4-1/2 zinc finish astm a307a hex bolt86
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/8-11 x 2 1/45/8-11 x 2-1/4 zinc finish astm a307a hex bolt49
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/8-11 x 25/8-11 x 2 zinc finish astm a307a hex bolt15
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/8-11 x 1 3/45/8-11 x 1-3/4 zinc finish astm a307a hex bolt244
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/8-11 x 1 3/45/8-11 x 1-3/4 zinc finish astm a307a hex bolt25
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1 1/8-7 x 5 1/21 1/8-7 x 5 1/2 astm a307 hex bolt zinc pltd69
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1 1/8-7 x 4 1/21 1/8-7 x 4 1/2 astm a307 hex bolt zinc pltd39
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1 1/8-7 x 31 1/8-7 x 3 astm a307 hex bolt zinc pltd25
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1/2-13 x 131/2-13 x 13 zinc finish astm a307a hex bolt57
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1/2-13 x 2 3/41/2-13 x 2-3/4 zinc finish astm a307a hex bolt161
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OneMonroeNCHex 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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OneMonroeNCHex Machine BoltGrade AZinc/Clear7/16-14 x 47/16-14 x 4 zinc finish astm a307a hex bolt380
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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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WeaverWAHex Machine BoltGrade AGalvanized5/8-11 x 95/8-11 x 9 a307 low carbon hex bolt galvanized133
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WeaverWAHex Machine BoltGrade AGalvanized3/8-16 x 1 1/43/8-16 x 1 1/4 a307 low carbon hex bolt galvanized200
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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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WeaverWAHex Machine BoltGrade AGalvanized1/4-20 x 11/4-20 x 1 a307 low carbon hex bolt galvanized500
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JacksonMSHex Machine BoltASTM A449Plain1 1/2-6 x 22 a449 hex bolt w/4 thread plain2
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WeaverWAHex Machine BoltGrade AGalvanized3/4-10 x 1 3/4 a307 low carbon hex bolt galvanized5
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WeaverWAHex Machine BoltGrade AGalvanized3/4-10 x 63/4-10x6 a307 low carbon hex bolt galvanized20
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WeaverWAHex Machine BoltGrade AGalvanized5/8-11 x 55/8-11x5 a307 low carbon hex bolt galvanized120
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MAINSOURCNHHex Machine BoltSteelPlain.115 x .209 x .032nas620-4 (washer #4 .115x.209x.032 stl c&y) NAS62044150
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MAINSOURCNHHex Machine BoltSteelCadmium/Yellow.255 x .468 x .063nas620-416750
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MAINSOURCNHHex Machine BoltSteelPlainms16208-55 (hex cap sc 3/8-16 x 2 ss)42
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JacksonMSHex Machine BoltGrade B8Plain5/8-11 x 2 3/4astm a193 b8t h/b (321 stainless )30
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JacksonMSHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24 x 1 1/2nf hex bolt/aisi-302 or 304 ss139
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JacksonMSHex Machine BoltSilicon BronzePlain1/2 x 4nc h/b silicone bronze5
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JacksonMSHex Machine BoltSteelPlain3/8-16nc hex nut .449 tallx.560 waf3383
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JacksonMSHex Machine BoltGrade AGalvanized1 1/8 x 5nc h/b a307 hot dip16
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JacksonMSHex Machine BoltGrade B8Plain3/4-10 x 3b-8 h/b1
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JacksonMSHex Machine BoltSilicon BronzePlain1/2 x 2 3/4nc h/b silicone bronze12
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JacksonMSHex Machine BoltSilicon BronzePlain5/16 x 1 1/4nc h/b silicone bronze180
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JacksonMSHex Machine BoltSilicon BronzePlain1/2 x 1nc h/b silicone bronze88
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JacksonMSHex Machine BoltSteelPlain3/4 x 14nc hex m/b a307 with 6 rt141
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JacksonMSHex Machine BoltSilicon BronzePlain1/2 x 1 3/4nc h/b silicone bronze80
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JacksonMSHex Machine BoltSteelPlain3/4 x 32nc hex m/b a307 with 6 rt35
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JacksonMSHex Machine BoltGrade B8Plain3/4-10 x 2 1/23/4-10x2 1/2 b-8 h/b7
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JacksonMSHex Machine BoltGrade B8Plain3/8-16 x 1 1/43/8-16x1 1/4 b-8 h/b27
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JacksonMSHex Machine BoltSilicon BronzePlain5/8 x 3nc h/b silicone bronze23
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JacksonMSHex Machine BoltSilicon BronzePlain5/8 x 1 1/2nc h/b silicone bronze195
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JacksonMSHex Machine BoltSteelPlain3/4 x 38nc hex m/b a307 with 6 rt56
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JacksonMSHex Machine BoltSteelPlain3/4 x 12nc hex m/b a307 with 6 rt113
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JacksonMSHex Machine BoltSilicon BronzePlain5/8-11 x 2 1/2nc h/b silicone bronze50
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JacksonMSHex Machine BoltGrade B8Plain5/8-11 x 3 1/25/8-11x3 1/2 b-8 h/b15
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OneMonroeNCHex Machine BoltSteelZinc/Clear3/8-16 x 1.753/8-16 x 1.75 hex mach bolt steel zinc same as carridge bolt-partial thread no washe4
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OneMonroeNCHex Machine BoltSteelZinc/Clear3/8-16 x 1 1/23/8-16 x 1 1/2 hex bolt steel zinc335
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/8-11 x 1 1/25/8-11 x 1-1/2 zinc finish astm a307a hex bolt17
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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 (3/8 x 1-1/2 )179
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1/4-20 x 81/4-20 x 8 hex head bolt pt stl znc a30750
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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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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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CIFILHex Machine BoltASTM A449Plain3/4-8 x 112 3/4-8 x 11 hex machine bolt a449 plain2
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CIFILHex Machine BoltGrade 8Phosphate3/8-16 x 1 1/23/8-16 x 1 1/2 hex bolt grade 8 rolled after heat treat zinc phos coating2862
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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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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 AZinc/Clear1-8 x 51-8 x 5 astm a307 hex bolt zinc pltd40
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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 1/4-7 x 51 1/4-7 x 5 hex hd bolt gr2 zp160
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Alma BoltMIHex Machine BoltGrade 2Plain7/8-9 x 1 1/27/8-9 x 1 1/2 hex hd mach bolt g2166
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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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Marshall MIHex Machine BoltGrade AGalvanized1/2-13 x 61/2-13x6 a307 hex bolt galv89
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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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BossardAZHex Machine BoltSteelPlainhex bolt & washer assy100
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Coburn Myers Fastening SystemsPAHex Machine Bolt316, 317, A4 StainlessPlainhex machine bolt a4-70 stainless plain28
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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 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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OneMonroeMAHex Machine BoltGrade APlain1/2-13 x 61/2-13 x 6 plain finish astm a307a hex bolt935
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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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EGW USATXHex Machine BoltGrade APlain3/4-10 x 2 1/4hex bolt 3/4-10x2-1/4 a307 gra p5000
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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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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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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 AGalvanized5/8-11 x 2 3/4a307a h/b hdg b18.2.16
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LightningLAHex Machine BoltGrade 2Plain1 1/4-7 x 4h/b gr.26
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LightningLAHex Machine BoltGrade B7Plain5/16-18 x 1 1/4astm a193 b7 h/b422
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