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Hex Machine Bolt

FastenerHex 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/Clear3/8-16 x 2 1/43/8-16 x 2-1/4 zinc finish astm a307a hex bolt171
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OneMonroeNCHex Machine BoltGrade AZinc/Clear3/8-16 x 1 3/83/8-16 x 1-3/8 zinc finish astm a307a hex bolt275
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/16-18 x 5 1/25/16-18 x 5-1/2 zinc finish astm a307a hex bolt100
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/16-18 x 45/16-18 x 4 zinc finish astm a307a hex bolt625
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/16-18 x 3 3/45/16-18 x 3-3/4 zinc finish astm a307a hex bolt750
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/16-18 x 3 1/25/16-18 x 3-1/2 zinc finish astm a307a hex bolt525
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/16-18 x 3 1/45/16-18 x 3-1/4 zinc finish astm a307a hex bolt1100
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OneMonroeNCHex Machine BoltGrade AZinc/Clear5/16-18 x 35/16-18 x 3 zinc finish astm a307a hex bolt100
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1/4-20 x 4 1/21/4-20 x 4-1/2 zinc finish astm a307a hex bolt200
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1/4-20 x 41/4-20 x 4 zinc finish astm a307a hex bolt50
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1/4-20 x 3 1/41/4-20 x 3-1/4 zinc finish astm a307a hex bolt500
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1/4-20 x 31/4-20 x 3 zinc finish astm a307a hex bolt1732
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OneMonroeNCHex Machine BoltGrade AZinc/Clear1/4-20 x 2 1/41/4-20 x 2-1/4 zinc finish astm a307a hex bolt500
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OneMonroeNCHex Machine BoltGrade APlain / Furnace Black1 1/4-7 x 6 1/21-1/4-7 x 6-1/2 plain finish astm a307a hex bolt2
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OneMonroeNCHex Machine BoltGrade APlain / Furnace Black1 1/4-7 x 5 1/21-1/4-7 x 5-1/2 plain finish astm a307a hex bolt10
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OneMonroeNCHex Machine BoltGrade APlain / Furnace Black1-8 x 7 1/21-8 x 7-1/2 plain finish astm a307a hex bolt6
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OneMonroeNCHex Machine BoltGrade APlain / Furnace Black7/8-9 x 47/8-9 x 4 plain finish astm a307a hex bolt280
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OneMonroeNCHex Machine BoltGrade APlain / Furnace Black3/4-10 x 143/4-10 x 14 plain finish astm a307a hex bolt13
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OneMonroeNCHex Machine BoltGrade APlain / Furnace Black3/4-10 x 73/4-10 x 7 plain finish astm a307a hex bolt49
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OneMonroeNCHex Machine BoltGrade APlain / Furnace Black3/4-10 x 3 1/23/4-10 x 3-1/2 plain finish astm a307a hex bolt200
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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 A449Plain / Furnace Black1 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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RePneu ToMIHex Machine BoltGrade AZinc/Clear3/8-16 x 73/8-16x7 (pt) hex bolt a307 grade a unc zinc cr+3200
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RePneu ToMIHex Machine BoltSteelPlain / Furnace Black5/16-18 x 15/16-18x1 hex bolt650
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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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JacksonMSHex Machine BoltSteelPlain / Furnace Black3/8-16nc hex nut .449 tallx.560 waf3383
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JacksonMSHex Machine BoltGrade B8Plain / Furnace Black3/4-10 x 3b-8 h/b1
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JacksonMSHex Machine BoltGrade B8Plain / Furnace Black5/8-11 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.)Plain / Furnace Black5/16-24 x 1 1/2nf hex bolt/aisi-302 or 304 ss139
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JacksonMSHex Machine BoltGrade AGalvanized1 1/8 x 5nc h/b a307 hot dip16
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JacksonMSHex Machine BoltSilicon BronzePlain / Furnace Black1/2 x 4nc h/b silicone bronze5
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JacksonMSHex Machine BoltSilicon BronzePlain / Furnace Black1/2 x 2 3/4nc h/b silicone bronze12
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JacksonMSHex Machine BoltSilicon BronzePlain / Furnace Black1/2 x 1 1/4nc h/b silicone bronze75
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JacksonMSHex Machine BoltSteelPlain / Furnace Black3/4 x 14nc hex m/b a307 with 6 rt121
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JacksonMSHex Machine BoltSilicon BronzePlain / Furnace Black1/2 x 1 3/4nc h/b silicone bronze80
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JacksonMSHex Machine BoltSteelPlain / Furnace Black3/4 x 32nc hex m/b a307 with 6 rt35
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JacksonMSHex Machine BoltGrade B8Plain / Furnace Black3/4-10 x 2 1/23/4-10x2 1/2 b-8 h/b7
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JacksonMSHex Machine BoltGrade B8Plain / Furnace Black3/8-16 x 1 1/43/8-16x1 1/4 b-8 h/b27
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JacksonMSHex Machine BoltSilicon BronzePlain / Furnace Black5/8 x 3nc h/b silicone bronze23
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JacksonMSHex Machine BoltSilicon BronzePlain / Furnace Black5/8 x 1 1/2nc h/b silicone bronze195
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JacksonMSHex Machine BoltSteelPlain / Furnace Black3/4 x 38nc hex m/b a307 with 6 rt17
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JacksonMSHex Machine BoltSteelPlain / Furnace Black3/4 x 12nc hex m/b a307 with 6 rt113
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JacksonMSHex Machine BoltSilicon BronzePlain / Furnace Black5/8-11 x 2 1/2nc h/b silicone bronze50
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JacksonMSHex Machine BoltSilicon BronzePlain / Furnace Black1/2 x 1nc h/b silicone bronze88
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JacksonMSHex Machine BoltGrade B8Plain / Furnace Black5/8-11 x 3 1/25/8-11x3 1/2 b-8 h/b15
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MAINSOURCNHHex Machine BoltSteelPlain / Furnace Blackms16208-55 (hex cap sc 3/8-16 x 2 ss)42
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MAINSOURCNHHex Machine BoltSteelPlain / Furnace Black.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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Set ScrewILHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain / Furnace Black1/4-20 x 3/818-8 304 hex boltinquire
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Set ScrewILHex Machine Bolt316, 317, A4 StainlessPlain / Furnace Black1/2-13 x 3 1/2316 stainless hex boltinquire
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Set ScrewILHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain / Furnace Black1/2-13 x 118-8 s/s hex boltinquire
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Set ScrewILHex Machine Bolt316, 317, A4 StainlessPlain / Furnace Black3/8-16 x 3 1/2316 stainless hex boltinquire
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Set ScrewILHex Machine Bolt316, 317, A4 StainlessPlain / Furnace Black5/16-18 x 1 1/4316 stainless hex boltinquire
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Set ScrewILHex Machine BoltBrassPlain / Furnace Black1/4-20 x 3/4hex bolt per printinquire
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Set ScrewILHex Machine BoltGrade 2Zinc/Clear1/2-13 x 2hex boltinquire
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Set ScrewILHex Machine BoltGrade 5Zinc/Clear3/8-16 x 1.0hex boltinquire
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Set ScrewILHex Machine BoltGrade 2Zinc/Clear5/16-18 x 7/8hex boltinquire
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Set ScrewILHex Machine BoltGrade 2Zinc/Clear5/16-18 x 3/4hex m/binquire
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Set ScrewILHex Machine BoltSteelZinc/Clear1/4-20 x 1 3/4hex boltinquire
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Set ScrewILHex Machine BoltGrade 5Zinc/Clear1/4-20 x 1/2 7/161/4-20x1/2 hex bolt with 7/16 hexinquire
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Set ScrewILHex Machine BoltBrassPlain / Furnace Black5/16-24 x 1 1/25/16-24 x 1 1/2 brass hex head boltinquire
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Set ScrewILHex Machine BoltBrassPlain / Furnace Black1/4-28 x 1 1/21/4-28 x 1 1/2 brass hex head boltinquire
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Set ScrewILHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain / Furnace Black5/8-11 x 1 1/218-8 304 hex m/binquire
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Set ScrewILHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain / Furnace Black1/2-13 x 1 1/218-8 304 hex m/binquire
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Set ScrewILHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain / Furnace Black1/4-20 x 3/4hex m/b 304 18-8 304inquire
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Set ScrewILHex Machine BoltSteelZinc/ClearM8-1.25 x 20hex m/binquire
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Set ScrewILHex Machine BoltSteelZinc/ClearM10-1.50 x 20hex m/binquire
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Set ScrewILHex Machine BoltSilicon BronzePainted5/16-18 x 1 3/4bronze 60 000 psi min tensile strength hex m/b tininquire
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EndriesHex Machine BoltGrade AGalvanized5/8-11 x 2 1/45/8-11x2-1/4 a307 grade a hex head machine bolt hot dip galvanized725
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EndriesHex Machine BoltGrade AGalvanized3/4-10 x 83/4-10x8 a307 grade a hex head machine bolt hot dip galvanized with 6in thread length minimum50
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EndriesWIHex Machine BoltGrade AGalvanized1/2-13 x 31/2-13x3 a307 grade a hex head machine bolt hot dip galvanized350
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EndriesWIHex Machine BoltGrade AZinc/Yellow3/8-16 x 4 1/23/8-16x4-1/2 a307 grade a hex head bolt .0005 trivalent yellow zinc2700
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EndriesWIHex Machine BoltGrade AZinc/Clear3/8-16 x 7 1/23/8-16x7-1/2 a307 grade a hex head machine bolt trivalent clear zinc20
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EndriesWIHex Machine BoltGrade AGalvanized5/8-11 x 105/8-11x10 a307 grade a hex head machine bolt hot dip galvanized550
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GlobalCAHex Machine BoltSteelPlain / Furnace Black.143 x .267 x .032nas620-6 #6 flat washer military 0.267 od x 0.032 th x 0.143 id steel/cad ii5,310
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EndriesWIHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain / Furnace Black3/8-16 x 23/8-16x2hexhdssneo 3/8-16x2 18-8 stainless steel hex head bolt neoprene9177
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EndriesWIHex Machine BoltGrade B7Zinc/Yellow7/16-20x1-3/4 a193 grade b7 finished hex head bolt yellow zinc7
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EndriesWIHex Machine Bolt300 Stainless (A1,A2, 18-8,304,310 etc.)Plain / Furnace Black5/16-18 x 155/16-18x15 18-8 s/s steel hex head machine bolt with 2in thread47
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EndriesWIHex Machine BoltGrade AZinc/Clear3/4-10 x 123/4-10x12 a307 grade a hex head machine bolt trivalent clear zinc30
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EndriesWIHex Machine BoltGrade B8MPlain / Furnace Black3/8-16 x 2 1/23/8-16x2-1/2 a193 grade b8m finished hex head bolt50
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EndriesWIHex Machine BoltGrade APlain / Furnace Black5/16-18 x 5 1/25/16-18x5-1/2 a307 grade a hex head machine bolt plain300
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EndriesWIHex Machine BoltSteelPlain / Furnace Black#10-32 x 1 1/3210-32x1 1/32 bolt hex head22
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EndriesWIHex Machine BoltSuperalloy (Inconel, Hastelloy, Alloy 20)Plain / Furnace BlackM10-1.50 x 45M10-1.5x45 hex head bolt a286 ss450
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EndriesWIHex Machine BoltGrade AGalvanized1/2-13 x 2 3/41/2-13x2-3/4 a307 grade a hex head machine bolt compliant hot dip galvanized100
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EndriesWIHex Machine BoltSteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)M6-1.00 x 12M6-1x12 hex bolt grade 1 0.9 dorken kerr-lakeside 10057031
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EndriesWIHex Machine BoltGrade AZinc/Clear3/8-16 x 1 1/43/8-16x1-1/4 a307 grade a hex head machine bolt trivalent clear zinc46397
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EndriesWIHex Machine BoltGrade AGalvanized3/4-10 x 53/4-10x5 a307 grade a hex head machine bolt hot dip galvanized280
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R&S IndusORHex Machine BoltGrade AGalvanized1-8 x 6 1/21-8x6 1/2 (pt) hex bolts a307 grade a coarse hdg9
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R&S IndusORHex Machine BoltGrade APlain / Furnace Black1-8 x 6 1/21-8x6 1/2 (pt) hex bolts a307 grade a coarse low carbon plain30
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R&S IndusORHex Machine BoltGrade AZinc/Clear1-8 x 61-8x6 (pt) hex bolts a307 grade a coarse zinc cr+3 494206/4015
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R&S IndusORHex Machine BoltGrade APlain / Furnace Black1-8 x 51-8x5 (pt) hex bolts a307 grade a coarse low carbon plain146
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R&S IndusORHex Machine BoltGrade AZinc/Clear1-8 x 4 1/21-8x4 1/2 (pt) hex bolts a307 grade a coarse zinc cr+3 494203/4041
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R&S IndusORHex Machine BoltGrade AGalvanized1-8 x 4 1/21-8x4 1/2 (pt) hex bolts a307 grade a coarse hdg3
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R&S IndusORHex Machine BoltGrade APlain / Furnace Black1-8 x 4 1/21-8x4 1/2 (pt) hex bolts a307 grade a coarse low carbon plain51
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R&S IndusORHex Machine BoltGrade AZinc/Clear1-8 x 41-8x4 (pt) hex bolts a307 grade a coarse zinc cr+317
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R&S IndusORHex Machine BoltGrade AGalvanized1-8 x 41-8x4 (pt) hex bolts a307 grade a coarse hdg 495188/5091
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R&S IndusORHex Machine BoltGrade AZinc/Clear1-8 x 3 3/41-8x3 3/4 (pt) hex bolts a307 grade a coarse zinc cr+328
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R&S IndusORHex Machine BoltGrade APlain / Furnace Black1-8 x 3 1/21-8x3 1/2 (pt) hex bolts a307 grade a coarse low carbon plain29
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R&S IndusORHex Machine BoltGrade APlain / Furnace Black1-8 x 31-8x3 hex bolts a307 grade a coarse low carbon plain 493275/6530
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R&S IndusORHex Machine BoltSteelGalvanized1-8 x 261-8 x 26 hex bolt hdg w/6 thread2
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R&S IndusORHex Machine BoltGrade AGalvanized1-8 x 201-8x20 6 thread hex bolts a307 grade a coarse hdg 495208/1085
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R&S IndusORHex Machine BoltGrade AGalvanized1-8 x 181-8x18 6 thread hex bolts a307 grade a coarse hdg mb2g100018000cw6
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R&S IndusORHex Machine BoltGrade APlain / Furnace Black1-8 x 181-8 x 18 hex bolt a307 plain 493306/1021
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R&S IndusORHex Machine BoltSteelZinc/Clear1-8 x 1 1/21-8 x 1 1/2 hex bolt zinc7
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R&S IndusORHex Machine BoltGrade APlain / Furnace Black1-8 x 151-8x15 6 thread hex bolts a307 grade a coarse low carbon plain 493303/623
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R&S IndusORHex Machine BoltGrade AZinc/Clear1-8 x 141-8x14 6 thread hex bolts a307 grade a coarse zinc cr+31
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R&S IndusORHex Machine BoltGrade APlain / Furnace Black1-8 x 141-8x14 6 thread hex bolts a307 grade a coarse low carbon plain 493302/152
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