Hex Bolt Modifications From Bristol Machine Company

Hex Bolts, or headed anchor bolts, are different from bent anchor bolts because of the non-threaded end. The non-threaded end has a forged hex, heavy hex, or square head. The headed end of the hex bolt is set into concrete foundations to secure steel columns, light poles, bridge rails, etc. Hex Bolt Modifications at Bristol Machine Company can include changes to:

  • Thread Size
  • Length Size
  • Rethreading
  • Extending Thread


Hex Bolts at Bristol Machine Company are available in multiple sizes, grades and in a 1/2” – 4” diameter. All fabricated products at Bristol Machine Company are available in a Plain, Zinc Plated, or Hot Dip Galvanized finish. At Bristol Machine Company, Hex Bolts can be manufactured to meet specifications intended for specific applications.

Specifications Available


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    Specifications Available

    F1554-36, F1554-55, F1554-10, A193-B7, A354-BD, A449

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