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1 Square Head Bolts (ASME B18. 2.1)
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 .
37 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 | |
| GLF | OH | Square Head Bolt | Grade A | Plain | 1-8 x 4 | 1-8x4 square hd bolt a307 stl pln b18.2.1 () | 2 |
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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 8 | Plain | 1-8 x 16 | bolt & c/s square boltsquare b18.2.1 | 150 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1-14 x 18 | bolt & c/s square boltb18.2.1 | 400 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 1-8 x 12 | bolt & c/s square boltsquare b18.2.1 | 200 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1-14 x 20 | bolt & c/s square boltb18.2.1 | 400 |
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| BIG BOLT | IL | Square Head Bolt | Grade 8 | Plain | 1-8 x 20 | bolt & c/s square boltsquare b18.2.1 | 150 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1-8 x 16 | bolt & c/s square boltsquare b18.2.1 | 400 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1-14 x 30 | bolt & c/s square boltb18.2.1 | 400 |
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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 5 | Plain | 1-8 x 10 | bolt & c/s square boltsquare b18.2.1 | 930 |
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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 | 1-14 x 4 3/4 | bolt & c/s square boltb18.2.1 | 1350 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1-14 x 14 | bolt & c/s square boltb18.2.1 | 400 |
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| B & K FAST | PA | Square Head Bolt | Grade 8 | Plain | 1-8 x 3 1/2 | 1-8 x 3 1/2 square bolts gr 8 plain b18.2.1 | 2 |
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| B & K FAST | PA | Square Head Bolt | Steel | Plain | 1-8 x 3 1/2 | 1-8 x 3 1/2 square bolts plain b18.2.1 | 305 |
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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 | Steel | Plain | 1-8 x 5 | 1-8 x 5 square bolts plain b18.2.1 | 295 |
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| B & K FAST | PA | Square Head Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 18 | 1-8 x 18 square bolts t-304 stainless b18.2.1 | 1 |
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| OSSCO | RI | Square Head Bolt | Steel | Plain | 1-8 x 7 | 1-8x7 square hd mach bolt b18.2.1 | 3 |
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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 | 1-8 x 20 | square hd bolt hdg b18.2.1 | 19 |
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| THRDFAST | AL | Square Head Bolt | Steel | Galvanized | 1-8 x 4 | square hd bolt hdg b18.2.1 | 13 |
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| THRDFAST | AL | Square Head Bolt | Steel | Galvanized | 1-8 x 5 | square hd bolt hdg b18.2.1 | 58 |
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| THRDFAST | AL | Square Head Bolt | Steel | Galvanized | 1-8 x 28 | square hd bolt hdg b18.2.1 | 4 |
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| THRDFAST | AL | Square Head Bolt | Steel | Galvanized | 1-8 x 12 | square hd bolt rt6 hdg b18.2.1 | stock |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1-8 x 18 | 1-8 x 18 square mach bolt gr-8 b18.2.1 | 28 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1-8 x 5 | 1-8 x 5 square mach bolt gr-8 b18.2.1 | 52 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1-8 x 15 | 1-8 x 15 square!machbolt gr-8 b18.2.1 | 2 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1-8 x 3 1/2 | 1-8 x 3 1/2 square mach bolt gr-8 b18.2.1 | 20 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1-8 x 12 | 1-8 x 12 square mach bolt gr-8 b18.2.1 | 26 |
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| KBS | TN | Square Head Bolt | Steel | Plain | 1-8 x 2 3/4 | 1-8 x 2 3/4 square hd mach.bolt b18.2.1 | 5 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1-8 x 6 1/2 | 1-8 x 6 1/2 square!machbolt gr-8 b18.2.1 | 55 |
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| KBS | TN | Square Head Bolt | Grade 8 | Plain | 1-8 x 6 3/4 | 1-8 x 6 3/4 square mach bolt gr-8 b18.2.1 | 10 |
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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 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 | 1-8 x 5 1/2 | 1-8 x 5 1/2 square mach bolt gr-8 b18.2.1 | 40 |
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