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Hex Bolts, All ASME Grades of Steel
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
No results for ASTM A574, but 200 ASTM A574 items displayed. For ASTM A574, click here.
| Buy Hex Bolts from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| 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 | Steel | Plain | 3/8-16 | nc hex nut .449 tallx.560 waf | 3383 |
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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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| Set Screw | IL | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/4-20 x 1/2 7/16 | 1/4-20x1/2 hex bolt with 7/16 hex | inquire |
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| Set Screw | IL | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 1 3/4 | hex bolt | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 2 | Zinc/Clear | 5/16-18 x 3/4 | hex m/b | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 2 | Zinc/Clear | 5/16-18 x 7/8 | hex bolt | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 5 | Zinc/Clear | 3/8-16 x 1.0 | hex bolt | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1/2-13 x 2 | hex bolt | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 2 | Zinc/Clear | M | bh25200500z1/4-20x.50 hex /b | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 2 | Zinc/Clear | 5/16-18 x 3/4 | hex m/b | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 2 | Zinc/Clear | 5/16-18 x 1.0 | hex m/b | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 2 | Plain | 5/16-18 x 2 | hex m/b | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 2 | Zinc/Clear | 7/16-20 x 2 1/4 | hex m/b | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1/2-13 x 2.0 | hex m/b | inquire |
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| Set Screw | IL | Hex Machine Bolt | Steel | Zinc/Clear | M10-1.50 x 20 | hex m/b | inquire |
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| Set Screw | IL | Hex Machine Bolt | Steel | Zinc/Clear | M8-1.25 x 20 | hex m/b | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 5 | Plain | 5/8-18 x 1 3/4 | hex bolt finish | inquire |
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| Set Screw | IL | Hex Machine Bolt | Grade 8 | Plain | 7/8-14 x 3 | hex bolt | inquire |
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| Jay-Cee | MI | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 5 | 1/4-20x5 hex hd mach bolt a307 gra zp | 296 |
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| Jay-Cee | MI | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 3 1/2 | 5/16-18x3 1/2 hex machine bolt galvanized hot dip galvanized | 182 |
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| Jay-Cee | MI | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 4 1/2 | 5/16-18x4 1/2 hex machine bolt galvanized hot dip galvanized | 300 |
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| Jay-Cee | MI | Hex Machine Bolt | Grade A | Zinc/Clear | 3/8-16 x 1 1/2 | 3/8-16x1 1/2 a307 hex machine bolt zinc plated | 700 |
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| Jay-Cee | MI | Hex Machine Bolt | Steel | Galvanized | 1/2-13 x 1 1/4 | 1/2-13x1 1/4 hex machine bolt galvanized hot dip galvanized | 400 |
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| Jay-Cee | MI | Hex Machine Bolt | Steel | Galvanized | 1/2-13 x 1 1/2 | 1/2-13x1 1/2 hex machine bolt galvanized hot dip galvanized | 350 |
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| Jay-Cee | MI | Hex Machine Bolt | Steel | Galvanized | 1/2-13 x 1 3/4 | 1/2-13x1 3/4 hex machine bolt galvanized hot dip galvanized | 125 |
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| American | NY | Hex Machine Bolt | Steel | Zinc/Clear | 1/2-13 x 14 | 1/2-13 x 14 hex head bolt zinc pl | 15 |
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| American | NY | Hex Machine Bolt | Steel | Zinc/Clear | M8 x 12 | 8mm x 12mm hex bolt zinc plate | 300 |
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| American | NY | Hex Machine Bolt | Steel | Zinc/Clear | M5 x 50 | 5mm x 50mm hex bolt zinc plate | 125 |
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| American | NY | Hex Machine Bolt | Steel | Zinc/Clear | 1/2-13 x 12 | 1/2-13x12 hex bolt zinc pl | 120 |
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| RCFast | AZ | Hex Machine Bolt | Grade A | Zinc/Clear | 1-8 x 4 | 1-8x4 hex bolt a307 gra zinc cr+3 (pt) | 100 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 2 1/32 | an4-20a bolt | 800 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 1 17/32 | an4-14 bolt-drilled | 500 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 31/32 | an5-7a bolt | 125 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 2 19/32 | an5-24a bolt | 100 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | 3/8-24 x 1 13/64 | an6-11a bolt | 100 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | #10-32 x 2 5/32 | an3-21a bolt | 250 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 2 7/32 | an5-21a bolt an5-21a | 10 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | #10-32 x 17/32 | an3-4a bolt | 600 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | #10-32 x 21/32 | an3-5a bolt | 790 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | #10-32 x 25/32 | an3-6a bolt | 250 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | #10-32 x 1 5/32 | an3-11a bolt | 132 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | #10-32 x 1 13/32 | an3-13a bolt | 200 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | #10-32 x 2 13/32 | an3-23a bolt | 225 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Plain | 1/4-20 x .781 | ms20074-04-06 bolt-drilled (1/4-20x.781) ms20074-04-06 | 150 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Plain | MS20074-04-05 5306-00-754-1788 | 90 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 21/32 | an4-5a bolt | 200 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | #10-32 x 1 29/32 | an3-17a bolt | 300 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | #10-32 x 1 17/32 | an3-14a bolt | 50 |
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| RCFast | AZ | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 1 1/32 | an4-10a bolt | 150 |
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| Ababa | CA | Hex Machine Bolt | Steel | Black Oxide | 1/4-20 x 1 3/8 | 1/4-20 x 1.375 hex joint connect r bolt al-2000 blk b18.2.1 | 3652 |
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| Ababa | CA | Hex Machine Bolt | Steel | Black Oxide | 1/4-20 x 1 1/278 | 1/4-20 x 1.578 hex joint connector bolt blk ox b18.2.1 | 2450 |
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| Ababa | CA | Hex Machine Bolt | Steel | Black Oxide | 1/4-20 x 1.772 | 1/4-20 x 1.772 hex joint connector bolt blk ox b18.2.1 | 868 |
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| Ababa | CA | Hex Machine Bolt | Steel | Black Oxide | 1/4-20 x 1.969 | 1/4-20 x 1.969 hex joint connector bolt blk ox b18.2.1 | 700 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1-8 x 12 | 1-8 x 12 hex bolt stl hdg b18.2.1 | 32 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1-8 x 2 | 1-8 x 2 hex bolt stl hdg b18.2.1 | 10 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1-8 x 2 1/2 | 1-8 x 2 1/2 hex bolt stl znc b18.2.1 | 5 |
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| Ababa | CA | Hex Machine Bolt | Steel | Plain | 1-8 x 3 | 1-8 x 3 hex bolt stl pln b18.2.1 | 19 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1-8 x 3 | 1-8 x 3 hex bolt stl znc b18.2.1 | 37 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1-8 x 3 1/4 | 1-8 x 3 1/4 hex bolt stl znc b18.2.1 | 7 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1-8 x 3 1/2 | 1-8 x 3 1/2 hex bolt stl hdg b18.2.1 | 16 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1-8 x 3 1/2 | 1-8 x 3 1/2 hex bolt stl znc b18.2.1 | 15 |
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| Ababa | CA | Hex Machine Bolt | Steel | Plain | 1-8 x 3 3/4 | 1-8 x 3 3/4 hex bolt stl pln b18.2.1 | 8 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1-8 x 4 1/2 | 1-8 x 4 1/2 hex bolt stl znc b18.2.1 | 40 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1-8 x 5 1/2 | 1-8 x 5 1/2 hex bolt stl znc b18.2.1 | 1 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1-8 x 6 | 1-8 x 6 hex bolt stl znc b18.2.1 | 9 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1-8 x 7 | 1-8 x 7 hex bolt stl hdg b18.2.1 | 34 |
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| Ababa | CA | Hex Machine Bolt | Steel | Plain | 1-8 x 7 | 1-8 x 7 hex bolt stl pln b18.2.1 | 8 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1-8 x 7 | 1-8 x 7 hex bolt stl znc b18.2.1 | 18 |
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| Ababa | CA | < td>Hex Machine BoltSteel | Zinc/Clear | 1-8 x 8 | 1-8 x 8 hex bolt stl znc b18.2.1 | 5 |
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| ACCURATE | IL | Hex Machine Bolt | Grade A | Zinc/Clear | 5/8-11x3 1/2 hex cap scr a307 zinc | 80 |
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| Jackson | MS | Hex Machine Bolt | Steel | Plain | 1 1/2-6 x 22 | 1 1/2-6 x 22 a449 hex bolt w/4 thread plain A449150C2200,4TH | 1 |
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| Express | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 4 | 5/16-18x4 hex bolt zinc | 140 |
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| SII | IN | Hex Machine Bolt | Grade 5 | Zinc/Clear | 3/8-16 x 7 | 3/8-16x7 grade 5 zinc finish hex bolt b18.2.1 | 125 |
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| SII | IN | Hex Machine Bolt | Grade A | Plain | 3/8-16 x 1 1/2 | 3/8 -16x1-1/2 (pt) hex bolts a307 grade a plain | 828 |
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| SII | IN | Hex Machine Bolt | Grade A | Plain | 1/2 x 1 3/4 | 1/2x1-3/4 a307 hex bolt plain | 204 |
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| SII | IN | Hex Machine Bolt | Grade A | Plain | 1/2 x 2 | 1/2x2 a307 hex bolt plain) | 177 |
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| SII | IN | Hex Machine Bolt | Grade A | Plain | 5/8-11 x 5 | 5/8 -11x5 (pt) hex bolts a307 grade a coarse low carbon plain unc | 62 |
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| SII | IN | Hex Machine Bolt | Grade A | Plain | 5/8-11 x 7 | 5/8 -11x7 (pt) hex bolts a307 grade a coarse low carbon plain unc | 62 |
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| SII | IN | Hex Machine Bolt | Grade A | Plain | 3/4 x 1 3/4 | 3/4x1-3/4 a307 plain bolt | 164 |
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| SII | IN | Hex Machine Bolt | Grade A | Plain | 3/4 x 2 | 3/4x2 a307 plain bolt | 106 |
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| SII | IN | Hex Machine Bolt | Grade A | Plain | 3/4-10 x 7 | 3/4 -10x7 a307 hex bolt plain | 48 |
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| SII | IN | Hex Machine Bolt | Grade A | Plain | 3/4 x 9 | 3/4x9 a307 hex bolt plain) | 48 |
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| SII | IN | Hex Machine Bolt | Grade A | Zinc/Clear | 3/8 x 1 3/4 | 3/8 x1-3/4 a307 hex bolt zinc | 624 |
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| SII | IN | Hex Machine Bolt | Grade B | Galvanized | 1/2 x 2 1/2 | 1/2 x 2-1/2 a307 bolt galv | 34 |
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| SII | IN | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 6 | 1/2-13 x 6 a307a galvanized hex bolt) | 150 |
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| SII | IN | Hex Machine Bolt | Steel | Plain | 3/4-10 x 18 | 3/4-10 x 18 plain hex bolt w/6 thread) b18.2.1 | 20 |
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| SII | IN | Hex Machine Bolt | Grade A | Zinc/Clear | 3/8-16 x 4 1/2 | 3/8-16 x 4-1/2 astm a307 grade a zinc finish hex bolt b18.2.1 | 175 |
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| JHP Fasteners | TX | Hex Machine Bolt | Grade 8 | Zinc/Yellow | t 5/16-24 x 1/2 | bolt hex head 5/16-24x1/2 grade 8 steel yellow zinc | 100 |
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| B & K FAST | PA | Hex Machine Bolt | Grade B7 | Plain | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 a193b7 hex bolts plain b18.2.1 | 6 |
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| B & K FAST | PA | Hex Machine Bolt | Grade B7 | Plain | 5/8-11 x 2 1/2 | 5/8-11 x 2 1/2 a193b7 hex bolts plain b18.2.1 | 2 |
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| B & K FAST | PA | Hex Machine Bolt | Grade B7 | Zinc/Clear | 5/8-11 x 2 3/4 | 5/8-11 x 2 3/4 a193 b7 hex bolts zinc b18.2.1 | 2 |
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| B & K FAST | PA | Hex Machine Bolt | Grade B7 | Plain | 3/4-10 x 3 3/4 | 3/4-10 x 3 3/4 a193b7 hex bolts plain b18.2.1 | 4 |
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| B & K FAST | PA | Hex Machine Bolt | Grade B7 | Plain | 3/4-10 x 4 3/4 | 3/4-10 x 4 3/4 a193b7 hex bolts plain b18.2.1 | 1 |
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| B & K FAST | PA | Hex Machine Bolt | Grade B7 | Plain | 1 1/4-7 x 7 1/4 | 1 1/4-7 x 7 1/4 a193b7 hex bolts plain b18.2.1 | 4 |
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| B & K FAST | PA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 5/8-18 x 2 | 5/8-18 x 2 hex place bolt gr 5 zinc b18.2.1 | 15 |
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| B & K FAST | PA | Hex Machine Bolt | Steel | Plain | 3/4-16 x 2 1/2 | 3/4-16 x 2 1/2 hex aircraft bolts z yellow b18.2.1 | 20 |
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| B & K FAST | PA | Hex Machine Bolt | Steel | Plain | 1/4-20 x 3 | 1/4-20 x 3 nylon hex bolts b18.2.1 | 1200 |
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| Lippin | CA | Hex Machine Bolt | Steel | Galvanized | 5/8-11 x 48 | 5/8-11 x 48 hex bolt hdg | 497 |
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| Jackson | MS | Hex Machine Bolt | Steel | Plain | 1 1/2-6 x 22 | 1 1/2-6 x 22 a449 hex bolt w/ 4 thread plain | 1 |
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| Jackson | MS | Hex Machine Bolt | Steel | Plain | 1 1/2-6 x 22 | 1 1/2-6 x 22 a449 hex bolt w/ 4 thread plain | 1 |
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| CNB | IL | Hex Machine Bolt | Grade 8 | Black Oxide | 9/16-12 x 10 1/2 | hex m/b, | 13 |
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| CNB | IL | Hex Machine Bolt | Steel | Plain | 7/16-20 x 1.44 | hex m/b 4140 material finish | 536 |
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| CNB | IL | Hex Machine Bolt | Grade 5 | Galvanized | 9/16-12 x 3 1/2 | h/b mechanical dom. | 70 |
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| CNB | IL | Hex Machine Bolt | Grade 8 | Cadmium | 1-12 x 6 1/4 | h/b in accord w/astm a354-bd plate per qq-p-416 ty ii class 3 (5um thick) dfars compliant. | 4 |
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| CNB | IL | Hex Machine Bolt | Grade A | Galvanized | 3/8-16 x 1 1/4 | hex m/b a307 with 1 thread hot dip | 2100 |
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| CNB | IL | Hex Machine Bolt | Steel | Galvanized | 3/8-16 x 1 3/4 | hex m/b w/1 thread hot dip | 550 |
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| CNB | IL | Hex Machine Bolt | Grade A | Galvanized | 7/16-14 x 1 3/4 | hex m/b a307 with 1 1/2 thread hot dip | 443 |
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| CNB | IL | Hex Machine Bolt | Grade A | Galvanized | 5/8-11 x 1 | hex m/b a307 hot dipped | 200 |
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| CNB | IL | Hex Machine Bolt | Grade A | Galvanized | 5/8-11 x 1 3/4 | hex m/b a307 mechanical with 1/4 no thread no runout underhead | 108 |
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| CNB | IL | Hex Machine Bolt | Grade A | Galvanized | 5/8-11 x 2 1/2 | hex m/b a307 with 1 1/2 thread hot dip | 131 |
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| CNB | IL | Hex Machine Bolt | Grade A | Galvanized | 3/4-10 x 2 | hex m/b a307 hot dip | 128 |
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| CNB | IL | Hex Machine Bolt | Grade A | Galvanized | 3/4-10 x 4 | hex m/b a307 with 1 3/4 thread hot dip | 20 |
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| CNB | IL | Hex Machine Bolt | Grade A | Zinc/Clear | 3/4-10 x 6 | hex m/b a307 | 902 |
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| CNB | IL | Hex Machine Bolt | Grade A | Galvanized | 7/8-9 x 2 1/2 | hex m/b a307 with 2 thread hot dip | 39 |
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| American | NY | Hex Machine Bolt | Steel | Galvanized | 1/2-13 x 2 1/2 | h/b hdg | 40 |
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| American | NY | Hex Machine Bolt | Steel | Galvanized | 1-8 x 24 | h/b hot | 4 |
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