square head foundation bolt

Size and dimension specifications are equally important. Bolt diameter and length are determined by the load-bearing requirements of the structure and the type of soil it's embedded in. Generally, bolt diameters range from 1/2 inch to 1-1/2 inches, while lengths can vary from a few inches to several feet. The American Institute of Steel Construction (AISC) and International Building Code (IBC) provide detailed guidelines for these dimensions.

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