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8 inch length Square Head Bolts
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 .
76 results, (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 | |
| Jackson | MS | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 8 | 1/2-13x8 square head bolt gr. 2 plain | 100 |
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| Jackson | MS | Square Head Bolt | Grade 8 | Plain | 3/4-10 x 8 | square bolt gr. 8 | 1 |
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| SWACO | OH | Square Head Bolt | Grade A | Plain | 1-8 x 8 | 1-8x8 a307 gr a square hd bolt pln | 14 |
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| BHAM | AL | Square Head Bolt | Steel | Plain | 3/4-10 x 8 | 3/4-10x8 square head m/b plain b18.2.1 | 40 |
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| CNB | IL | Square Head Bolt | Grade 2 | Plain | 1-8 x 8 | 1-8 x 8 square head machine bolt grade 2 plain per print b10345 | 3 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1-8 x 8 | bolt square machine | 28 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1/2-13 x 8 | bolt square machine | 145 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1 1/8-7 x 8 | bolt square machine | 62 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1 1/4-7 x 8 | bolt square machine | 25 |
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| OneMonroe | NC | Square Head Bolt | Steel | Plain | 1-8 x 8 | 1-8 x 8 square t-bolt w/4 thread | 171 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 8 | 3/4-10 x 8 | square head bolt grade 2 | 24 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 8 | 5/8-11 x 8 | square head bolt grade 2 | 43 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 1-8 x 8 | 1-8 x 8 | square head bolt grade 2 | 3 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 8 | 5/8-11 x 8 | square head bolt grade 2 | 15 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 1-8 x 8 | 1-8 x 8 | square head bolt grade 2 | 12 |
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| OneMonroe | MA | Square Head Bolt | Steel | Plain | 1-8 x 8 | 1-8 x 8 square t-bolt w/4 thread | 171 |
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| Liberty | IL | Square Head Bolt | Steel | Plain | 1 1/8-7 x 8 | square m/b machine bolt | 7 |
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| Longhorn | TX | Square Head Bolt | Grade 2 | Galvanized | 3/4-10 x 8 | 3/4-10 x 8 square hd bolt gr 2 hdg | 3 |
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| American | WI | Square Head Bolt | Grade 5 | Zinc/Clear | 3/4-10 x 8 | 3/4-10x8 nc square hd mach bolt gr 5 zp | 117 |
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| American | NY | Square Head Bolt | Steel | Plain | 7/8-9 x 8 | square m/b | 17 |
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| American | NY | Square Head Bolt | Steel | Plain | 1-8 x 8 | square m/b black | 60 |
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| American | NY | Square Head Bolt | Steel | Plain | 5/8-11 x 8 | square bolt | 57 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 3/4-10 x 8 | bolt & c/s square boltsquare b18.2.1 | 800 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 3/4-16 x 8 | bolt & c/s square boltb18.2.1 | 650 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1 3/4-5 x 8 | bolt & c/s square boltb18.2.1 | 512 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 5/8-11 x 8 | bolt & c/s square boltsquare b18.2.1 | 400 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 1/2-13 x 8 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 1 1/4-7 x 8 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 1 3/4-5 x 8 | bolt & c/s square boltsquare b18.2.1 | 280 |
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| BIG BOLT | IL | Square Head Bolt | Steel | Plain | 1 3/8-6 x 8 | bolt & c/s square boltb18.2.1 | 681 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 1 1/8-7 x 8 | bolt & c/s square boltb18.2.1 | 400 |
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| BIG BOLT | IL | Square Head Bolt | Steel | Plain | 1/4-20 x 8 | bolt & c/s square boltsquare b18.2.1 | 1000 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1-8 x 8 | bolt & c/s square boltsquare b18.2.1 | 750 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 3/8-16 x 8 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Steel | Plain | 2-4 1/2 x 8 | bolt & c/s square boltsquare b18.2.1 | 361 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 1-8 x 8 | bolt & c/s square boltsquare b18.2.1 | 350 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 3/8-16 x 8 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 7/8-9 x 8 | bolt & c/s square boltsquare b18.2.1 | 450 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 8 | bolt & c/s square boltsquare b18.2.1 | 500 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 3/4-10 x 8 | bolt & c/s square boltsquare b18.2.1 | 860 |
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| Hayes | CA | Square Head Bolt | Steel | Plain | 5/8-11 x 8 | 5/8-11 x 8 square hd bolt pln | 2 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 1/2-13 x 8 | square m/b std thrd fsb astm a307 | 100 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 5/8-11 x 8 | square m/b std thrd fsb astm a307 | 50 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 3/4-10 x 8 | square m/b std thrd fsb astm a307 | 45 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 1-8 x 8 | square m/b std thrd fsb astm a307 | 20 |
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| MidStates | MI | Square Head Bolt | Grade 8 | Plain | 7/8-9 x 8 | in square hd bolt | 10 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 8 | 1/4-20 x 8in square hd bolt gr 2 pln | 154 |
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| MidStates | MI | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 8 | 1/2-13 x 8in square hd bolt gr 2 pln | 56 |
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| MidStates | MI | Square Head Bolt | Grade 5 | Zinc/Clear | 5/8-11 x 8 | 5/8-11 x 8in square hd bolt gr 5 znc | 45 |
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| MidStates | MI | Square Head Bolt | Grade 8 | Plain | 1/2-13 x 8 | 1/2-13 x 8in square hd bolt gr 8 pln | 42 |
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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 2 | Plain | 3/4-10 x 8 | 55 |
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| Cascade | OR | Square Head Bolt | Steel | Plain | 5/8-11 x 8 | square m/b b18.2.1 | 24 |
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| B & K FAST | PA | Square Head Bolt | Grade 8 | Plain | 1 1/2-12 x 8 | 1 1/2-12 x 8 square bolts gr 8 plain b18.2.1 | 1 |
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| B & K FAST | PA | Square Head Bolt | Steel | Plain | 5/8-11 x 8 | 5/8-11 x 8 square bolts plain b18.2.1 | 154 |
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| Lippin | CA | Square Head Bolt | Steel | Zinc/Yellow | 1/2-13 x 8 | square head bolt yellow zinc | 311 |
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| Lippin | CA | Square Head Bolt | Steel | Plain | 3/4-10 x 8 | square head bolt plain | 38 |
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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 8 | Zinc/Yellow | 1-8 x 8 | nc square m/b | 39 |
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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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| THRDFAST | AL | Square Head Bolt | Steel | Galvanized | 3/4-10 x 8 | square hd bolt hdg b18.2.1 | 697 |
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| THRDFAST | AL | Square Head Bolt | Steel | Galvanized | 5/8-11 x 8 | square hd bolt hdg b18.2.1 | 594 |
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| THRDFAST | AL | Square Head Bolt | Steel | Galvanized | 1/2-13 x 8 | square hd bolt rt4 hdg b18.2.1 | 100 |
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| THRDFAST | AL | Square Head Bolt | Steel | Galvanized | 3/4-10 x 8 | square hd bolt hdg b18.2.1 | 25 |
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| THRDFAST | AL | Square Head Bolt | Steel | Galvanized | 3/4-10 x 8 | square hd bolt hdg b18.2.1 | 4 |
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| THRDFAST | AL | Square Head Bolt | Steel | Galvanized | 5/8-11 x 8 | square hd bolt rt4 hdg w/nut b18.2.1 | 5 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1-8 x 8 | 1-8 x 8 square!machbolt gr-8 b18.2.1 | 52 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1 1/4-7 x 8 | 1-1/4-7 x 8 square!machbolt gr-8 b18.2.1 | 24 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1 3/4-5 x 8 | 1-3/4-5 x 8 square!machbolt gr-8 b18.2.1 | 10 |
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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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| Valley Nu | WA | Square Head Bolt | Steel | Plain | 7/8-9 x 8 | nc square bolt pl | 13 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1/2-13 x 8 | square m/b | 170 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1 1/4-7 x 8 | square m/b | 156 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1 1/8-7 x 8 | square m/b | 70 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 3/4-10 x 8 | square m/b | 150 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 7/8-9 x 8 | square m/b | 50 |
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