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Square Head Bolts

Square head bolts, also called machine bolts are threaded to receive a nut. These decorative bolts come in smooth, hammered and pyramid head styles. To shop by head style click on the image below to see all available sizes in that head apperance.

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#10
1/4"
5/16"
3/8"
1/2"
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  1. 1/4" Dia. Smooth Square Head Bolt
    1/4" Dia. Smooth Square Head Bolt
    from $2.00
  2. 1/4" Dia. Hammered Square Head Bolt
    1/4" Dia. Hammered Square Head Bolt
    from $3.00
  3. 1/4" Dia. Pyramid Square Head Bolt
    1/4" Dia. Pyramid Square Head Bolt
    from $4.00
  4. 5/16" Dia. Smooth Square Head Bolt
    5/16" Dia. Smooth Square Head Bolt
    from $2.00
  5. 5/16" Dia. Hammered Square Head Bolt
    5/16" Dia. Hammered Square Head Bolt
    from $4.00
  6. 5/16" Dia. Pyramid Square Head Bolt
    5/16" Dia. Pyramid Square Head Bolt
    from $5.00
  7. 3/8" Dia. Smooth Square Head Bolt
    3/8" Dia. Smooth Square Head Bolt
    $3.00 from $2.00
    Sale
  8. 3/8" Dia. Hammered Square Head Bolt
    3/8" Dia. Hammered Square Head Bolt
    from $4.00
  9. 3/8" Dia. Pyramid Square Head Bolt
    3/8" Dia. Pyramid Square Head Bolt
    from $4.00
  10. 1/2" Dia. Smooth Square Head Bolt
    1/2" Dia. Smooth Square Head Bolt
    $7.00 from $5.00
    Sale
  11. 1/2" Dia. Hammered Square Head Bolts
    1/2" Dia. Hammered Square Head Bolts
    from $7.00
  12. 1/2" Dia. Pyramid Square Head Bolt
    1/2" Dia. Pyramid Square Head Bolt
    from $8.00
  13. 5/8" Smooth Square Head Bolt
    5/8" Smooth Square Head Bolt
    $13.00 from $9.00
    Sale