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1 3/4 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 .
59 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 | |
| Future Fastener | TX | Square Head Bolt | Steel | Galvanized | 3/8-16 x 1 3/4 | 3/8-16x1-3/4 square head machine bolt hot dip galvanized | 500 |
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| YANKEE | NH | Square Head Bolt | Steel | Plain | 5/16-18 x 1 3/4 | 5/16-18 x 1-3/4 square head bolt | 342 |
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| Hayes | CA | Square Head Bolt | Steel | Plain | 1/4-20 x 1 3/4 | 1/4-20 x 1 3/4 square hd bolt pln | 49 |
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| ASMC | IL | Square Head Bolt | Grade A | Zinc/Clear | 5/16-18 x 1 3/4 | 5/16-18x1 3/4 a307 gra square hd machine bolt low carb zp | 1,050 |
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| ASMC | IL | Square Head Bolt | Grade A | Galvanized | 3/4-10 x 1 3/4 | a307 gra square hd m/b low carb hdg | 100 |
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| ASMC | IL | Square Head Bolt | Grade A | Galvanized | 1/2-13 x 1 3/4 | a307 gra square hd m/b low carb hdg b18.2.1 | 340 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 1/2-13 x 1 3/4 | bolt square machine | 600 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 7/8-9 x 1 3/4 | bolt square machine | 65 |
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| ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 5/16-18 x 1 3/4 | bolt square machine | 100 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 3/8-16 x 1 3/4 | bolt square machine | 4200 |
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| Liberty | IL | Square Head Bolt | Steel | Plain | 7/8-9 x 1 3/4 | square m/b machine bolt | 141 |
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| Liberty | IL | Square Head Bolt | Steel | Plain | 3/8-16 x 1 3/4 | square m/b machine bolt | 720 |
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| Hodell | OH | Square Head Bolt | Steel | Plain | 1/2-13 x 1 3/4 | 1/2-13x1 3/4 square hd mach bolt pln | 250 |
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| Komar | IL | Square Head Bolt | Steel | Plain | 5/8-11 x 1 3/4 | 5/8-11x1 3/4 square hd machine bolt | 350 |
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| Komar | MO | Square Head Bolt | Steel | Zinc/Clear | 3/8-16 x 1 3/4 | square m/b | 1800 |
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| American | NY | Square Head Bolt | Steel | Plain | 5/16-18 x 1 3/4 | square m/b f/t black | 60 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 3/8-16 x 1 3/4 | square bolt | 363 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 1/2-13 x 1 3/4 | square bolt | 1435 |
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| Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 1 3/4 | square bolt | 462 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 5/16-18 x 1 3/4 | f/t square hd m/b astm a307 | 800 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 3/8-16 x 1 3/4 | f/t square hd m/b astm a307 | 600 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 5/16-18 x 1 3/4 | square m/b std thrd fsb astm a307 | 800 |
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| XL Screw | GA | Square Head Bolt | Steel | Plain | 3/8-16 x 1 3/4 | square m/b std thrd fsb astm a307 | 600 |
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| XL Screw | GA | Square Head Bolt | Steel | Zinc/Clear | 3/8-16 x 1 3/4 | f/t square hd m/b astm a307 zp | 600 |
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| XL Screw | GA | Square Head Bolt | Steel | Zinc/Clear | 3/8-16 x 1 3/4 | square hd m/b std thrd fsb astm a307 zp | 600 |
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| SWACO | OH | Square Head Bolt | Grade A | Plain | 3/8-16 x 1 3/4 | 3/8-16x1 3/4 a307 gr a square hd bolt p | 105 |
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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 2 | Zinc/Clear | 5/8-11 x 1 3/4 | square hd bolt znc | 4 |
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| WDMB | IA | Square Head Bolt | Grade A | Galvanized | 1/2-13 x 1 3/4 | bolt sqr fb pt a307 a (hdg) 1/2-13x1 3/4 (W0V0) (W0V0) | 35,000 |
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| Komar | IL | Square Head Bolt | Steel | Plain | 5/8-11 x 1 3/4 | square hd m/b | 350 |
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| IPC | VA | Square Head Bolt | Grade A | Plain | 1/4-20 x 1 3/4 | 1/4-20x1 3/4 square hd mach bolt a307 gr a steel grade 2 acceptable | 200 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 1 3/4 | bolt & c/s square boltsquare b18.2.1 | 6800 |
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| JET FITTING | CA | Square Head Bolt | Grade A | Plain | 3/8-16 x 1 3/4 | 3/8-16x1 3/4 a307 gr a square hd bolt p 747094 b18.2.1 | 255 |
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| QFC | TX | Square Head Bolt | Grade A36 | Galvanized | 1/4 x 1 3/4 x 1 3/4 | 1/4 x 1 3/4 x 1 3/4 sq. ring fill plate a36 hdg (for 5/8 bolt) AS36849 b18.2.1 | 4 |
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| Hodell | OH | Square Head Bolt | Steel | Galvanized | 5/16-18 x 1 3/4 | 5/16-18x1 3/4 square hd mach bolt galv | 200 |
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| Hodell | OH | Square Head Bolt | Steel | Galvanized | 5/16-18 x 1 3/4 | 5/16-18x1 3/4 square hd mach bolt galv | 200 |
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| ISSCO | MO | Square Head Bolt | Grade 5 | Plain | 5/16-24 x 1 3/4 | 450 |
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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 | Steel | Plain | 1/2-13 x 1 3/4 | 1/2-13 x 1 3/4 square bolts plain full thread b18.2.1 | 1 |
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| B & K FAST | PA | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 1 3/4 | 3/4-10 x 1 3/4 square bolts gr 2 plain b18.2.1 | 10 |
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| Kanebridge | IL | Square Head Bolt | Steel | Plain | 1/2-13 x 1 3/4 | 1/2-13x1 3/4 square machine bolt plain | 6.250 |
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| BHAM | AL | Square Head Bolt | Steel | Galvanized | 3/4-10 x 1 3/4 | sp.square hd bolt h.d.g. | 8 |
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| BHAM | TX | Square Head Bolt | Steel | Galvanized | 3/8-16 x 1 3/4 | square hdg | 8,203 |
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| JET FITTING | CA | Square Head Bolt | Grade A | Plain | 3/8-16 x 1 3/4 | 3/8-16x1-3/4 (pt) square bolt steel a307 plain b18.2.1 | 250 |
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| SRF | AL | Square Head Bolt | Grade 2 | Plain | 1/4-20 x 1 3/4 | square hd bolt | 69 |
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| OBRIEN | OH | Square Head Bolt | Steel | Plain | 1/2-13 x 1 3/4 | square m/b | 120 |
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| THRDFAST | OK | Square Head Bolt | Steel | Plain | 1/2-13 x 1 3/4 | square hd bolt b18.2.1 | 480 |
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| THRDFAST | TN | Square Head Bolt | Steel | Plain | 1/2-13 x 1 3/4 | square hd bolt b18.2.1 | 50 |
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| THRDFAST | TN | Square Head Bolt | Grade B8M | Plain | 5/8-11 x 1 3/4 | a193 b8m sq bolt b18.2.1 | 5 |
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| FMP | MA | Square Head Bolt | Steel | Zinc/Clear | 3/8-16 x 1 3/4 | square bolt | 151 |
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| FMP | MA | Square Head Bolt | Steel | Plain | 3/4-10 x 1 3/4 | square bolt | 171 |
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| Valley Nu | WA | Square Head Bolt | Steel | Plain | 3/8-16 x 1 3/4 | nc square bolt pl | 41 |
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| ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 5/16-18 x 1 3/4 | square m/b | 3,000 |
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| ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 1/2-13 x 1 3/4 | square m/b | 2,000 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 7/8-9 x 1 3/4 | square m/b | 100 |
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| ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 3/8-16 x 1 3/4 | square m/b | 12,000 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 3/4-10 x 1 3/4 | square m/b | 200 |
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| ACCURATE | IL | Square Head Bolt | Steel | Plain | 3/8-16 x 1 3/4 | square m/b | 5,000 |
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| ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 1/4-20 x 1 3/4 | square m/b | 1,000 |
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