Established in 1988

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Square Head Bolts

Square Head Bolts

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Square Head Bolts offer a large bearing area for positive gripping with an open or adjustable wrench which means less slippage. Head width or wrench size is measured across the flats. Length is measured from under the head. All have a Class 2A thread fit.

Have a question about our manufactured square head bolts? Contact our team directly by phone or by using our secure online form. We look forward to speaking with you!

Square Head Bolt & Screw Inventory

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  1. Diameter: 1/4
    Thread: 20
    Length: 3/4
  2. Diameter: 1/4
    Thread: 20
    Length: 3/4
  3. Diameter: 1/4
    Thread: 20
    Length: 1
  4. Diameter: 1/4
    Thread: 20
    Length: 1 1/4
  5. Diameter: 1/4
    Thread: 20
    Length: 1 1/2
  6. Diameter: 1/4
    Thread: 20
    Length: 2
  7. Diameter: 1/4
    Thread: 20
    Length: 2 1/2
  8. Diameter: 1/4
    Thread: 20
    Length: 3 1/2
  9. Diameter: 1/4
    Thread: 20
    Length: 4
  10. Diameter: 5/16
    Thread: 18
    Length: 5/8

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or call us today at 1-866-895-0627 to inquire about a quote from U-Bolt-It

Your customer service was good and appreciate the quick turnaround as we had a crisis with one of our customers.