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)
| Buy Hex Bolts from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Century | NY | Hex Machine Bolt | m39029/58-363 | 1002 |
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| Century | NY | Hex Machine Bolt | m83248/1-128 | 36 |
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| Century | NY | Hex Machine Bolt | m45932/2-019 | 4 |
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| Century | NY | Hex Machine Bolt | m23053/8-003-c | 100 |
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| Century | FL | Hex Machine Bolt | m85049/95-22a-a | 4 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | ms9494-20 | 415 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | an8-33 bolt | 7 |
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| Century | FL | Hex Machine Bolt | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | nas6703u9 | 3410 |
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| Century | FL | Hex Machine Bolt | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | nas6703u5 | 18 |
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| Century | FL | Hex Machine Bolt | nas1193k5c | 10 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | ms9489-08 | 10 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | nas6303u2 | 14 |
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| Century | FL | Hex Machine Bolt | nas1829ac6j24 | 15 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | ms16208-5 | 2 |
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| Century | FL | Hex Machine Bolt | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | nas6704u7 | 17 |
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| Century | FL | Hex Machine Bolt | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | nas6703-4 | 17 |
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| Century | FL | Hex Machine Bolt | Steel | Cadmium/Yellow | nas6204-6 | 18 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | nas6605-3 | 40 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | an175h43 | 23 |
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| Century | FL | Hex Machine Bolt | nas1715c3t | 24 |
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| MAINSOURC | NH | Hex Machine Bolt | Steel | Plain | .115 x .209 x .032 | nas620-4 (washer #4 .115x.209x.032 stl c&y) NAS6204 | 4150 |
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| MAINSOURC | NH | Hex Machine Bolt | Steel | Cadmium/Yellow | .255 x .468 x .063 | nas620-416 | 750 |
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| MAINSOURC | NH | Hex Machine Bolt | Steel | Plain | ms16208-55 (hex cap sc 3/8-16 x 2 ss) | 42 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | 280450pc252 bolt machine | 138 |
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| Century | FL | Hex Machine Bolt | cherry slsp-t04-07 () | 23005 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | lh90725-59 bolt machine | 6 |
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| Jackson | MS | Hex Machine Bolt | Steel | Plain | 3/8-16 | nc hex nut .449 tallx.560 waf | 3383 |
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| Jackson | MS | Hex Machine Bolt | Grade A | Galvanized | 1 1/8 x 5 | nc h/b a307 hot dip | 16 |
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| Jackson | MS | Hex Machine Bolt | Grade B8 | Plain | 3/4-10 x 3 | b-8 h/b | 1 |
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| Jackson | MS | Hex Machine Bolt | Grade B8 | Plain | 5/8-11 x 2 3/4 | astm a193 b8t h/b (321 stainless ) | 30 |
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| Jackson | MS | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 1 1/2 | nf hex bolt/aisi-302 or 304 ss | 139 |
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| Jackson | MS | Hex Machine Bolt | Silicon Bronze | Plain | 1/2 x 4 | nc h/b silicone bronze | 5 |
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| Jackson | MS | Hex Machine Bolt | Silicon Bronze | Plain | 1/2 x 2 3/4 | nc h/b silicone bronze | 12 |
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| Jackson | MS | Hex Machine Bolt | Silicon Bronze | Plain | 5/16 x 1 | nc h/b | 957 |
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| Jackson | MS | Hex Machine Bolt | Silicon Bronze | Plain | 5/16 x 1 1/2 | nc h/b silicone bronze | 301 |
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| Jackson | MS | Hex Machine Bolt | Steel | Plain | 3/4 x 14 | nc hex m/b a307 with 6 rt | 141 |
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| Jackson | MS | Hex Machine Bolt | Silicon Bronze | Plain | 1/2 x 1 3/4 | nc h/b silicone bronze | 80 |
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| Jackson | MS | Hex Machine Bolt | Steel | Plain | 3/4 x 48 | nc hex m/b a307 with 6 rt | 114 |
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| Jackson | MS | Hex Machine Bolt | Steel | Plain | 3/4 x 32 | nc hex m/b a307 with 6 rt | 35 |
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| Jackson | MS | Hex Machine Bolt | Grade B8 | Plain | 3/4-10 x 2 1/2 | 3/4-10x2 1/2 b-8 h/b | 7 |
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| Jackson | MS | Hex Machine Bolt | Grade B8 | Plain | 3/8-16 x 1 1/4 | 3/8-16x1 1/4 b-8 h/b | 27 |
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| Jackson | MS | Hex Machine Bolt | Silicon Bronze | Plain | 5/8 x 3 | nc h/b silicone bronze | 23 |
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| Jackson | MS | Hex Machine Bolt | Silicon Bronze | Plain | 5/8 x 1 1/2 | nc h/b silicone bronze | 195 |
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| Jackson | MS | Hex Machine Bolt | Steel | Plain | 3/4 x 38 | nc hex m/b a307 with 6 rt | 56 |
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| Jackson | MS | Hex Machine Bolt | Steel | Plain | 3/4 x 12 | nc hex m/b a307 with 6 rt | 113 |
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| Jackson | MS | Hex Machine Bolt | Silicon Bronze | Plain | 5/8-11 x 2 1/2 | nc h/b silicone bronze | 50 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | nas6303a11 bolt | 19 |
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| Century | FL | Hex Machine Bolt | b1821bh038c100n | 288 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | b1821bh088f088n screw cap hexagon head | 4 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | thomas & betts 5262 o-ring sealing nsn 5330-01-206-0213 | 211 |
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| Century | FL | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 86 | nas6303u8 bolt | 3 |
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| Century | FL | Hex Machine Bolt | Plain | ms16208-103s316 | 419 |
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| Century | FL | Hex Machine Bolt | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | nas6704-22 bolt close tolerance hex head | 9 |
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| Century | FL | Hex Machine Bolt | Cadmium/Yellow | 1/4-28 x 1 13/32 | an174-13a | 3 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | b1821bh025c056n bolt | 10 |
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| Century | FL | Hex Machine Bolt | Plain | ms16208-56s316 | 35 |
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| Century | FL | Hex Machine Bolt | Steel | Cadmium/Yellow | an174c10 bolt | 49 |
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| Century | FL | Hex Machine Bolt | Plain | ms16208-151s316 | 48 |
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| Century | FL | Hex Machine Bolt | ms35764-204 | 601 |
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| GLF | OH | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 1 1/4 | 1/2-13 x 1-1/4 hex hd bolt a307 stl hdg | 1 |
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| OneMonroe | MN | Hex Machine Bolt | Grade A | Zinc/Clear | 1-8 x 5 | 1-8 x 5 astm a307 hex bolt zinc pltd | 40 |
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| OneMonroe | MN | Hex Machine Bolt | Grade A | Plain | 1/4-20 x 4 | 1/4-20 x 4 plain finish astm a307a hex bolt | 450 |
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| OneMonroe | MN | Hex Machine Bolt | Grade A | Zinc/Clear | 1 1/8-7 x 2 1/2 | 1-1/8-7 x 2-1/2 zinc finish astm a307a hex bolt | 26 |
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| OneMonroe | MN | Hex Machine Bolt | ASTM A354 Grade BD | Plain | 1-8 x 3.0 | 1-8unc3a x 3.0 a354-bd hx bolts mil-f-18240 usa/domest | 2 |
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| OneMonroe | MN | Hex Machine Bolt | Grade A | Zinc/Clear | 3/8-16 x 8 | 3/8-16 x 8 zinc finish astm a307a hex bolt | 8 |
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| OneMonroe | MN | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 6 | 1/2-13 x 6 hex head bolt 3.25 t/l 18-8 stainless steel per print mpi rev. a 11-09-16 | 87 |
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| OneMonr oe | MN | Hex Machine Bolt | Grade B7 | Plain | 5/8-11 x 1 1/2 | 5/8-11 x 1 1/2 a193-b7 finished hex bolt | 1 |
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| OneMonroe | MN | Hex Machine Bolt | Grade A | Plain | 1 1/4-7 x 6 1/2 | 1-1/4-7 x 6-1/2 plain finish astm a307a hex bolt | 2 |
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| OneMonroe | MN | Hex Machine Bolt | Steel | Plain | 5/16-18 x 1 1/2 | bolthex5/16-18 x 1 1/2 | 344 |
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| Alma Bolt | MI | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1 1/4-7 x 5 | 1 1/4-7 x 5 hex hd bolt gr2 zp | 160 |
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| Alma Bolt | MI | Hex Machine Bolt | Grade 2 | Plain | 7/8-9 x 1 1/2 | 7/8-9 x 1 1/2 hex hd mach bolt g2 | 166 |
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| Alma Bolt | MI | Hex Machine Bolt | Grade 2 | Plain | 5/16-18 x 1 | 5/16-18 x 1 hex hd mach bolt g2 | 7826 |
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| Alma Bolt | MI | Hex Machine Bolt | Grade 2 | Plain | 5/8-11 x 8 | 5/8-11 x 8 hex hd mach bolt g2 | 715 |
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| Alma Bolt | MI | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1/2-13 x 4 | 1/2-13 x 4 hex hd bolt gr2 zp | 1305 |
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| Alma Bolt | MI | Hex Machine Bolt | Grade 2 | Plain | 1/4-20 x 3/4 | 1/4-20 x 3/4 hex hd mach bolt g2 | 14790 |
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| Alma Bolt | MI | Hex Machine Bolt | Grade 2 | Plain | 1 1/2-6 x 7 1/2 | 1 1/2-6 x 7 1/2 hex hd mach bolt g2 | 22 |
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| Alma Bolt | MI | Hex Machine Bolt | Grade 2 | Plain | 5/16-18 x 3 | 5/16-18 x 3 hex hd mach bolt g2 | 2852 |
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| CIF | IL | Hex Machine Bolt | ASTM A449 | Plain | 3/4-8 x 11 | 2 3/4-8 x 11 hex machine bolt a449 plain | 2 |
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| CIF | IL | Hex Machine Bolt | Grade 8 | Phosphate | 3/8-16 x 1 1/2 | 3/8-16 x 1 1/2 hex bolt grade 8 rolled after heat treat zinc phos coating | 3361 |
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| CIF | IL | Hex Machine Bolt | Grade A | Galvanized | 3/8-16 x 1 1/4 | 3/8-16 x 1 1/4 hex machine bolt a307 hot dip galvanized | 1020 |
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| CIF | IL | Hex Machine Bolt | Grade A | Plain | 3/4-10 x 11 | 3/4-10 x 11 hex machine bolt a307 plain | 13 |
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| Marshall | MI | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 6 | 1/2-13x6 a307 hex bolt galv | 89 |
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| SWACO | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/2-13 x 12 | 1/2-13x12 hex bolt a307 gr a zn | 10 |
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| SWACO | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 1 9/32 | bolt-machine aircraft an4-12a | 290 |
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| SWACO | OH | Hex Machine Bolt | Grade A | Plain | 3/4-10 x 3 1/2 | 3/4-10x3 1/2 hex bolt a307 gr a low s | 52 |
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| SWACO | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 5/8-11 x 8 | 5/8-11x8 hex bolt a307 gr a zn | 28 |
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| SWACO | OH | Hex Machine Bolt | Grade A | Galvanized | 3/4-10 x 6 | 3/4-10x6 hex bolt a307 gr a hdg | 10 |
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| Bossard | AZ | Hex Machine Bolt | Steel | Plain | hex bolt & washer assy | 100 |
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| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | hex machine bolt a4-70 stainless plain | 28 |
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| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | Grade 2 | Zinc/Clear | hex machine bolt grade 2 zinc/clear | 36 |
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| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | Grade 2 | Galvanized | hex machine bolt grade 2 galvanized | 5 |
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| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | Grade 2 | Plain | hex machine bolt grade 2 plain | 3 |
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| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | Grade 2 | Plain | hex machine bolt grade 2 plain | 43 |
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| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | Grade 2 | Galvanized | hex machine bolt grade 2 galvanized | 10 |
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| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | Grade 2 | Plain | hex machine bolt grade 2 plain | 22 |
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| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | Grade 2 | Plain | hex machine bolt grade 2 plain | 350 |
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| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | Grade 2 | Galvanized | hex machine bolt grade 2 galvanized | 8 |
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| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | Grade 2 | Zinc/Clear | hex machine bolt grade 2 zinc/clear | 364 |
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| AIH | AZ | Hex Machine Bolt | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | nas1003-1a bolt s/s | 25 |
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| AIH | AZ | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 1/2-20 x 3 3/4 | 1/2-20x3.75in hex bolt s/s pass | 6 |
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| AIH | AZ | Hex Machine Bolt | Steel | Cadmium | hex head bolt alloy w/cad plating | 50 |
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| AIH | AZ | Hex Machine Bolt | Steel | Plain | #10-32 x 2 3/4 | 10-32x2 3/4 hex head bolt | 40 |
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| NutsBolts | NE | Hex Machine Bolt | Grade A | Plain | 1-8 x 8 | 1-8x8 a307 hex bolt plain | 23 |
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| OneMonroe | MA | Hex Machine Bolt | Grade A | Plain | 1/2-13 x 6 | 1/2-13 x 6 plain finish astm a307a hex bolt | 935 |
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| Longhorn | TX | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 1 | 1/2-13 x 1 hex cap screw a307 hdg | 748 |
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| EGW USA | TX | Hex Machine Bolt | Grade A | Plain | 3/4-10 x 2 1/4 | hex bolt 3/4-10x2-1/4 a307 gra p | 5000 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 1 19/32 | bolt 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 AN5-14A | 3171 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium | BOLT, 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 AN12-34A | 8 |
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| Rapid | NY | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 5/16-24 x 1.688 | bolt 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 AN5C21A | 570 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium | #10-32 x 1/250 | bolt hex machine alloy steel cadmium finish 10-32 unf .550 long | 72 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium | BOLT, MACHINE, AIRCRAFT, Alloy Steel, 3/8-24 UNF-3A, 0.374 - 0.371 Dia. x 2.328 Long, 1.688 Grip, Cadmium Plated, AMS-QQ-P-416, Type II, Class 2, Drilled Head & Shank AN6H22 | 652 |
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| Pac Bolt | BC | Hex Machine Bolt | Grade A | Galvanized | 3/4 x 14 | 3/4 x 14 a307 hex hf bolt 6 nc galv b18.2.1 | 200 |
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| BHAM | TX | Hex Machine Bolt | Steel | Plain | 3/4-10 x 24 | 3/4-10x24 hex bolt 6 thd 1554-55 b18.2.1 | 11 |
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| ASFCORP | MI | Hex Machine Bolt | Grade A | Zinc/Clear | 3/4-10 x 2 | 3/4-10 x 2 hx hd blt a307 gr a tri zn fe/zn 5an | 190 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 7/8-9 x 12 | a307a h/b hdg b18.2.1 | 10 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 7/8-9 x 32 | a307a h/b hdg rt6 b18.2.1 | 8 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 5/8-11 x 2 3/4 | a307a h/b hdg b18.2.1 | 6 |
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| Lightning | LA | Hex Machine Bolt | Grade 2 | Plain | 1 1/4-7 x 4 | h/b gr.2 | 6 |
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| Lightning | LA | Hex Machine Bolt | Grade 2 | Plain | 1-8 x 5 | h/b gr.2 | 203 |
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| Lightning | LA | Hex Machine Bolt | Grade 2 | Plain | 7/8-9 x 4 | h/b gr.2 | 141 |
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| Lightning | LA | Hex Machine Bolt | Grade A | Galvanized | 1/2 x 10 | hex hd m/b a307 w/6 thd | 251 |
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| Lightning | LA | Hex Machine Bolt | Grade B7 | Plain | 5/16-18 x 1 1/4 | astm a193 b7 h/b | 422 |
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