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4 1/4 inch length 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 .
2 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 | |
| BIG BOLT | IL | Square Head Bolt | Steel | Plain | 3/8-16 x 4 1/4 | bolt & c/s square boltsquare b18.2.1 | 2582 |
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| BIG BOLT | IL | Square Head Bolt | Grade 5 | Plain | 1 1/8-7 x 4 1/4 | bolt & c/s square boltb18.2.1 | 540 |
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