Ask the Expert

Question: What do I do if I poured my anchor bolts too low or too high?

Answer: The answer can be found in AISC Design Guide 1,Section 2.11.3 Read More...

Question: What size anchor bolt sleeve do I use to fit a 1-1/8” diameter anchor bolt?

Answer: This question is often brought to Portland Bolt’s attention by customers wondering how to install an anchor bolt sleeve with a 1-1/8” diameter rod.  Read More...

Question: What are the tolerances for F1554 anchor bolts?

Answer: In our Live Chat, numerous customers have asked us about tolerances under the F1554 specification relating to things like diameter, length, straightness, and many other parameters. Read More...

Question: Do F1554 anchor bolts come in stainless steel?

Answer: The answer to this question is no. As stated in Section 1.1, the F1554 specification covers various configurations of, “…carbon, carbon boron, alloy, or high-strength alloy steel anchor bolts.”  Read More...

Question: If my already installed anchor bolts got bent by accident, is it OK to bend them back?

Answer: The anchor rods in the above photo were damaged because they were covered with snow and the equipment operator did not see them. Read More...

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: Can welding be performed on high strength anchor bolts and fasteners?

Answer: The short answer is that in most cases, welding is not allowed on high strength bolts. Read More...

Question: Will imported A307 grade A hex bolts meet the requirements of F1554 grade 36?

Answer: Anchor bolts which are embedded in concrete and used for structural anchorage purposes can assume several forms. Read More...

Question: Can a rod with a welded nut be substituted for a bolt with a forged head?

Answer: When a rod with a nut is substituted for a bolt with a forged head, two issues come into play. In-house mechanical testing performed by Portland Bolt on headed bolts versus rods with a nut, both from the identical lots of steel, the rod with a nut developed up to 12% less strength than the comparable headed bolt. Read More...