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Square Head Bolts, Grade 5
Square Head Bolts were once the most common form of bolt, until they were replaced by hex head bolts. They are covered under ANSI Standard B18.2.1 and are now most commonly used for aesthetic purposes to provide a rustic look .
> 200 matches, . Showing 200, (click on any line for more information)
| Buy Square Head Bolts from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Weaver | WA | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 2 3/4 gr5 square hd bolt plain | 13 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 3 1/2 | square | 2 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 4 | nc square bolt gr. 5 fastenel # 0168684 or equal | 143 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 4 1/2 | nc square bolt gr. 5 f/t | 5 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 4 1/2 | square | 13 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 1-8 x 3 1/2 | square | 25 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Zinc/Clear | 1/2-13 x 1 | nc square bolt gr.5 | 46 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Zinc/Clear | 1/2-13 x 1 1/2 | nc square bolt gr.5 | 36 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 2 | nc square bolt gr.5 | 42 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Zinc/Clear | 5/8-11 x 2 1/2 | nc square bolt gr.5 | 8 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Zinc/Clear | 5/8-11 x 3 | nc square bolt gr.5 | 2 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Zinc/Clear | 3/4 x 2 | nc square bolt gr.5 | 20 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Zinc/Clear | 3/4 x 2 1/2 | nc square bolt gr.5 | 12 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 1-8 x 11 square head grade 5 plain | 2 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 1-8 x 12 square head grade 5 plain | 3 |
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| Weaver | WA | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 3 1/2 | 5/8-11x3 1/2 gr5 square hd bolt plain | 14 |
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| Weaver | WA | Square Head Bolt | Grade 5 | Plain | 7/8-9 x 6 | 7/8-9x6 gr5 square hd bolt plain | 12 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 1-8 x 13 | square | 2 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 7 1/2 | square | 8 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 3 1/2 | square | 27 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 2 1/4 | nc square bolt gr.5 | 49 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 1-8 x 4 | square | 25 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 5 | square | 23 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 3 | square bolt | 10 |
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| YANKEE | NH | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 1 1/2 | 1/2-13 x 1-1/2 square head bolt grade 5 plain finish | 53 |
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| YANKEE | NH | Square Head Bolt | Grade 5 | Zinc/Clear | 5/8-11 x 7 | 5/8-11x7 square head bolt grade 5 steel zinc plated | 38 |
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| CIF | IL | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 3 1/2 | 3/4-10x3 1/2 square head machine bolt grade 5 plain (1043) (1043) (1043) () | 1043 |
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| ASMC | IL | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 1 1/2 | coarse gr5 square hd m/b med carb | 35 |
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| GLF | OH | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 3 | 3/4-10x3 square hd bolt grade 5 stl pln b18.2.1 () () | 79 |
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| Endries | WI | Square Head Bolt | Grade 5 | Plain | 1 1/8-7 x 3 3/4 | 1-1/8-7x3-3/4 grade 5 square head machine bolt plain | 6 |
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| Endries | WI | Square Head Bolt | Grade 5 | Plain | 1 1/4-7 x 5 | 1-1/4-7x5 grade 5 square head machine bolt plain | 65 |
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| ACCURATE | IL | Square Head Bolt | Grade 5 | Zinc/Clear | 5/8-11 x 3 1/4 | bolt square machine gr5 | 10 |
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| ACCURATE | IL | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 3 | bolt square machine gr5 | 2 |
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| Komar | MO | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 4 square head machine bolt grade 5 | 12 |
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| American | NY | Square Head Bolt | Grade 5 | Plain | 5/16-24 x 1 | 5/16-24 x 1 square bolt grade 5 | 2220 |
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| American | NY | Square Head Bolt | Grade 5 | Plain | 5/16-24 x 1 | 5/16-24 x 1 square bolt grade 5 plain | 672 |
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| American | NY | Square Head Bolt | Grade 5 | Plain | 5/8-18 x 3 1/2 | square m/b | 300 |
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| METRO IND | OH | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 1 1/2 | square hd bolt | 25 |
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| METRO IND | OH | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 3 1/2 | square hd bolt | 25 |
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| MidStates | MI | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 1 3/4 | square hd bolt | 2 |
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| MidStates | MI | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 1 1/2 | square hd bolt | 13 |
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| MidStates | MI | Square Head Bolt | Grade 5 | Plain | 7/8-9 x 9 1/2 | square hd bolt | 5 |
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| MidStates | MI | Square Head Bolt | Grade 5 | Plain | 1 1/4-7 x 12 | in square hd bolt | 4 |
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| MidStates | MI | Square Head Bolt | Grade 5 | Plain | 1 1/4-7 x 13 | square hd bolt | 1 |
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| MidStates | MI | Square Head Bolt | Grade 5 | Plain | 1-8 x 6 | 80 |
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| WDMB | IA | Square Head Bolt | Grade 5 | Zinc/Clear | 5/8-11 x 2 1/4 | bolt sqr gr5 (zt) 5/8-11x2 1/4 (W0J0) (W0J0) (W0J0) | 245 |
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| WDMB | IA | Square Head Bolt | Grade 5 | Zinc/Clear | 5/8-11 x 2 1/4 | bolt sqr grade 5 (zt) 5/8-11x2 1/4 (W0J0) | 150 |
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| CIF | IL | Square Head Bolt | Grade 5 | Plain | 1-8 x 8 1/2 | 1-8x8 1/2 square head machine bolt grade 5 plain (4) (4) | 4 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1-8 x 20 | bolt & c/s square boltsquare b18.2.1 | 400 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 3/4-16 x 16 | bolt & c/s square boltb18.2.1 | 700 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 3/8-16 x 12 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 7/16-14 x 2 1/2 | bolt & c/s square boltsquare b18.2.1 | 890 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 3/8-16 x 4 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 12 | bolt & c/s square boltsquare b18.2.1 | 700 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1 1/8-7 x 16 | bolt & c/s square boltsquare b18.2.1 b18.2.1 | 400 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 4 1/2 | bolt & c/s square boltsquare b18.2.1 | 3316 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 3/4-16 x 20 | bolt & c/s square boltb18.2.1 | 1100 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 7/8-9 x 14 | bolt & c/s square boltsquare b18.2.1 | 566 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 6 | bolt & c/s square boltsquare b18.2.1 | 10000 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 7/8-14 x 20 | bolt & c/s square boltb18.2.1 | 600 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 12 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1 3/8-6 x 10 | bolt & c/s square boltsquare b18.2.1 | 81 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 3 1/2 | bolt & c/s square boltsquare b18.2.1 | 1318 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1/4-20 x 5 | bolt & c/s square boltsquare b18.2.1 | 6000 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 5/16-18 x 6 | bolt & c/s square boltsquare b18.2.1 | 4700 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 10 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1/4-20 x 2 | bolt & c/s square boltsquare b18.2.1 | 6000 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 3 | bolt & c/s square boltsquare fulthr b18.2.1 | 10900 |
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| WDMB | IA | Square Head Bolt | Grade 5 | Zinc/Yellow | bolt sqr grade 5 (zy) 5/16-18x4 (W000) | 50 |
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| WDMB | IA | Square Head Bolt | Grade 5 | Plain | blt-u-sqr-gr5-(ect)-5/8_11x12x3 1/2-spc (W010) | 175 |
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| WDMB | IA | Square Head Bolt | Grade 5 | Zinc/Clear | 3/4-10 x 8 | bolt sqr gr5 (zt) 3/4-10x8 (W030) (W030) | 120 |
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| ISSCO | MO | Square Head Bolt | Grade 5 | Plain | 5/16-24 x 1 3/4 | 450 |
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| ISSCO | MO | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 3 3/4 | 244 |
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| ISSCO | MO | Square Head Bolt | Grade 5 | Zinc/Clear | 3/4-10 x 3 1/2 | 926 |
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| ISSCO | MO | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 1 1/2 | 695 |
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| MastBolt | OH | Square Head Bolt | Grade 5 | Plain | 3/4 x 18 | 3/4x18 square hd bolt with 2 of thread | 200 pcs |
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| MastBolt | OH | Square Head Bolt | Grade 5 | Plain | 1 1/8 x 5 1/2 | 1-1/8 x 5-1/2 square head switch bolt gr 5 with 2-1/2 thread dr@ 5-1/4 w/9/32 hole | 50 pcs |
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| MastBolt | OH | Square Head Bolt | Grade 5 | Plain | 3/4 x 6 | 3/4 x 6 gr 5 square head switch bolt heat treated blank | 100 pcs |
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| J&L | IN | Square Head Bolt | Grade 5 | Plain | 1 1/2-6 x 11 | 1/2 gr5 sq hd1.75tkx2 5/8atf | 1 |
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| J&L | IN | Square Head Bolt | Grade 5 | Plain | 1 1/2-6 x 11 | 3/4 gr5 square hd bolt | 1 |
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| United St | IL | Square Head Bolt | Grade 5 | Plain | 1-8 x 4 3/4 | square head dr 4-1/4 | 521 |
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| United St | IL | Square Head Bolt | Grade 5 | Plain | 1-8 x 4 1/4 | square thin head | 1,885 |
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| SIS | AZ | Square Head Bolt | Grade 5 | Galvanized | 5/8-11 x 2 | square bolt | 1138 |
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| SIS | AZ | Square Head Bolt | Grade 5 | Galvanized | 5/8-11 x 2 1/2 | long (1-1/2 thread) square hd bolt gr.5 stl | 239 |
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| SIS | AZ | Square Head Bolt | Grade 5 | Galvanized | 3/4-10 x 2 1/2 | long (1-1/2 thread) square hd bolt gr.5 stl | 208 |
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| SIS | AZ | Square Head Bolt | Grade 5 | Galvanized | 3/4-10 x 2 | long (1.5 thread) square bolt gr.5 stl | 30 |
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| B & K FAST | PA | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 square bolts gr 5 plain b18.2.1 | 4 |
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| B & K FAST | PA | Square Head Bolt | Grade 5 | Plain | 1-8 x 5 | 1-8 x 5 square bolt gr 5 plain b18.2.1 | 12 |
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| B & K FAST | PA | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 5 | 5/8-11 x 5 square bolts gr 5 plain b18.2.1 | 10 |
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| B & K FAST | PA | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 6 1/2 | 5/8-11 x 6 1/2 square bolts full thread gr 5 plain b18.2.1 | 1 |
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| B & K FAST | PA | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 6 | 3/4-10 x 6 square bolts gr 5 plain b18.2.1 | 5 |
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| B & K FAST | PA | Square Head Bolt | Grade 5 | Plain | 7/8-9 x 3 | 7/8-9 x 3 square bolts gr 5 plain b18.2.1 | 25 |
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| ACF | CA | Square Head Bolt | Grade 5 | Zinc/Clear | 5/16-24 x 1 | 5/16-24x1 square head cap screw gr5 z/p rohs | 200 |
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| QFC | TX | Square Head Bolt | Grade 5 | Zinc/Clear | 3/4-10 x 5 | 3/4-10x5 sq head bolt gr5 zinc b18.2.1 | 4 |
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| BHAM | AL | Square Head Bolt | Grade 5 | Zinc/Clear | 1/2-13 x 3 | square hd m/bolt zn | 3 |
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| Jackson | MS | Square Head Bolt | Grade 5 | Plain | 1-8 x 8 | square | 2 |
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| FastWare | Sask | Square Head Bolt | Grade 5 | Zinc/Yellow | 5/8-11 x 5 | nc square m/b | 36 |
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| FastWare | Sask | Square Head Bolt | Grade 5 | Zinc/Yellow | 1/2-13 x 3 1/4 | nc square m/b 0.937 af 1 1/4 tl | 2,429 |
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| FastWare | Sask | Square Head Bolt | Grade 5 | Zinc/Clear | 5/8-18 x 3 1/8 | nc square m/b 0.921 af 1 3/4 tl rev g | 2,030 |
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| FastWare | Sask | Square Head Bolt | Grade 5 | Zinc/Yellow | 3/4-10 x 8 1/4 | nc square bolt 6 tl | 164 |
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| SRF | AL | Square Head Bolt | Grade 5 | Plain | 1-8 x 6 | square hd bolt | 3 |
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| SRF | AL | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 1 1/4 | square hd bolt | - |
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| SRF | AL | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 5 | square hd bolt | - |
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| SRF | AL | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 9 | square hd bolt | - |
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| SRF | AL | Square Head Bolt | Grade 5 | Plain | 7/8-9 x 3 | square hd bolt | 1 |
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| CNB | IL | Square Head Bolt | Grade 5 | Plain | 1 1/8-7 x 7 | square gr.5 | 216 |
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| OBRIEN | OH | Square Head Bolt | Grade 5 | Plain | 1 1/4-7 x 7 | square m/b gr5 | 2 |
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| THRDFAST | FL | Square Head Bolt | Grade 5 | Plain | 3/8-16 x 2 | gr5 square hd bolt b18.2.1 | 10 |
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| THRDFAST | TN | Square Head Bolt | Grade 5 | Plain | 1-8 x 8 | gr5 square hd bolt b18.2.1 | 3 |
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| SIS | AZ | Square Head Bolt | Grade 5 | Galvanized | 5/8-11 x 4 | f/t square bolt gr.5 | 21 |
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| SIS | AZ | Square Head Bolt | Grade 5 | Galvanized | 3/4-10 x 4 | long (4 thread) square hd bolt gr.5 | 1306 |
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| THRDFAST | AL | Square Head Bolt | Grade 5 | Galvanized | 3/4-10 x 3 | gr5 square hd bolt hdg b18.2.1 | 2 |
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| KBS | TN | Square Head Bolt | Grade 5 | Plain | 1-8 x 5 1/2 | 1-8 x 5 1/2 square mach.bolt gr-5 b18.2.1 | 12 |
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| KBS | TN | Square Head Bolt | Grade 5 | Plain | 1 1/4-7 x 14 | 1-1/4-7 x 14 square mach.bolt gr-5 b18.2.1 | 2 |
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| KBS | TN | Square Head Bolt | Grade 5 | Plain | 1 1/4-7 x 4 | 1-1/4-7 x 4 square mach.bolt gr-5 b18.2.1 | 10 |
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| KBS | TN | Square Head Bolt | Grade 5 | Plain | 5/8-11 x 3 1/2 | 5/8-11 x 3 1/2 square mach.bolt gr-5 b18.2.1 | 3 |
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| KBS | TN | Square Head Bolt | Grade 5 | Plain | 7/8-9 x 8 | 7/8-9 x 8 square mach.bolt gr-5 b18.2.1 | 20 |
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| Wurth | IN | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 2 1/2 | 3/4-10 x 2-1/2 square hd mach bolt gr5 less nut | 225 |
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| Wurth | IN | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 2 | 3/4-10 x 2 sq mach bolt l/n grd 5 | 100 |
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