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FAQ: Do headed F1554 anchor bolts have a standard hex head or a heavy hex head?

Answer: ASTM F1554 does not specify whether the headed configuration is to be a standard hex pattern or heavy hex.  Read More...

Question: What is the Pullout Strength of Portland Bolt’s Anchor Bolts?
Answer: This is a question that we are asked on a regular basis, and one that we do not have a clear answer for due to the variety of factors involved in making this calculation.

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Question: My plans call for an A307 grade C anchor bolt and my supplier is offering F1554 grade 55 anchor bolts as a substitution. Is this acceptable?

Answer: Theoretically, this substitution makes sense. However, one should always check with the project engineer before making any alterations to the grade or configuration of product that has been specified for the structure. Please note that for liability reasons, Portland Bolt is not recommending that this substitution be made without appropriate approval.

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Question: Is it possible to put threads on rebar?

The answer is yes, however, there are several issues to consider to avoid liability. For this discussion, we will assume a requirement for threaded rebar as follows:

#8 x 48″ long A615 grade 60 rebar with 8″ thread one end.

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Question: Can a bolt be reused? If so, what grades and in what scenarios?

Answer: A bolt that has already been used in a given application may or may not be reused, depending on the grade, application, and recommendation of the “Engineer of Record”. There is a tremendous amount of conflicting opinions on this subject, but the only definitive published information we can find on this issue from a reputable source is in regards to ASTM A325 and A490 structural bolts.

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Can ASTM A325 be specified for anchor bolts applications? Read More...

Are roll threaded anchor bolts with a reduced body allowed on school projects in California? Read More...