3 1/4 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 .
36 results, (click on any line for more information)
Buy Square Head Bolts from one of our FCH Network Members | ||||||||
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Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
Hayes | CA | Square Head Bolt | Steel | Plain | 5/8-11 x 3 1/4 | 5/8-11 x 3 1/4 square hd bolt pln | 4 |
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Hayes | CA | Square Head Bolt | Steel | Zinc/Clear | 1/2-13 x 3 1/4 | 1/2-13 x 3 1/4 square hd bolt zinc | 52 |
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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 | Steel | Plain | 1/4-20 x 3 1/4 | bolt square machine | 200 |
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ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 1/4-20 x 3 1/4 | bolt square machine | 1500 |
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ACCURATE | IL | Square Head Bolt | Steel | Plain | 7/8-9 x 3 1/4 | bolt square machine | 93 |
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ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 7/8-9 x 3 1/4 | bolt square machine | 42 |
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ACCURATE | IL | Square Head Bolt | Steel | Plain | 3/4-10 x 3 1/4 | bolt square machine | 7 |
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Liberty | IL | Square Head Bolt | Steel | Zinc/Clear | 7/16-14 x 3 1/4 | square m/b 2 tl machine bolt 2 tl | 125 |
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Liberty | IL | Square Head Bolt | Steel | Plain | 1/2-20 x 3 1/4 | square m/b machine bolt | 158 |
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American | NY | Square Head Bolt | Steel | Plain | 1/2-13 x 3 1/4 | square m/b | 61 |
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American | NY | Square Head Bolt | Steel | Zinc/Yellow | 5/8-11 x 3 1/4 | square m/b zy | 75 |
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Alma Bolt | MI | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 3 1/4 | square bolt | 270 |
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XL Screw | GA | Square Head Bolt | Steel | Plain | 5/8-11 x 3 1/4 | square m/b std thrd fsb astm a307 | 130 |
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XL Screw | GA | Square Head Bolt | Steel | Zinc/Clear | 5/8-11 x 3 1/4 | square hd m/b std thrd fsb astm a307 zp | 130 |
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SunPack | FL | Square Head Bolt | Grade A | Cadmium | 5/8-11 x 3 1/4 | 5/8-11x3 1/4 a307 square head machine bolt cad plated | 126 |
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IPC | VA | Square Head Bolt | Grade A | Zinc/Yellow | 3/4-10 x 3 1/4 | 3/4-10x3 1/4 square hd mach bolt a307 steel zinc yellow | 240 |
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BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1/2-13 x 3 1/4 | bolt & c/s square boltsquare b18.2.1 | 1000 |
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SunPack | FL | Square Head Bolt | Grade A | Cadmium | 5/8-11 x 3 1/4 | a307 square m/b | 126 |
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ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 7/8-9 x 3 1/4 | 308 |
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ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 3 1/4 | 175 |
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ISSCO | MO | Square Head Bolt | Grade 2 | Plain | 5/8-11 x 3 1/4 | 575 |
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B & K FAST | PA | Square Head Bolt | Steel | Plain | 1/2-13 x 3 1/4 | 1/2-13 x 3 1/4 square bolts plain b18.2.1 | 495 |
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Arden | WI | Square Head Bolt | Steel | Zinc/Clear | 3410 x 3 1/4 | 3410x3 1/4 square hd bolt zc | inquire |
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Kanebridge | IL | Square Head Bolt | Steel | Plain | 3/4-10 x 3 1/4 | 3/4-10x3 1/4 square machine bolt plain | 1.500 |
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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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SRF | AL | Square Head Bolt | Grade 2 | Plain | 7/8-9 x 3 1/4 | square hd bolt | - |
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SRF | AL | Square Head Bolt | Grade 2 | Plain | 3/4-10 x 3 1/4 | square hd bolt | 60 |
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KBS | TN | Square Head Bolt | Steel | Plain | 1/2-13 x 3 1/4 | 1/2-13 x 3 1/4 square hd mach.bolt b18.2.1 | 303 |
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KBS | TN | Square Head Bolt | Grade 8 | Plain | 3/4-10 x 3 1/4 | 3/4-10 x 3 1/4 square mach bolt gr-8 b18.2.1 | 78 |
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ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 5/8-11 x 3 1/4 | square m/b | 500 |
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ACCURATE | IL | Square Head Bolt | Grade 5 | Zinc/Clear | 5/8-11 x 3 1/4 | square m/b grad 5 | 1,000 |
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ACCURATE | IL | Square Head Bolt | Steel | Plain | 7/8-9 x 3 1/4 | square m/b | 200 |
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ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 3/8-16 x 3 1/4 | square m/b | 250 |
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ACCURATE | IL | Square Head Bolt | Steel | Plain | 3/4-10 x 3 1/4 | square m/b | 150 |
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ACCURATE | IL | Square Head Bolt | Steel | Zinc/Clear | 1/4-20 x 3 1/4 | square m/b | 1,700 |
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