Our “L” shaped bent achor bolts are stocked or manufactured to meet your drawing specifications. By using material that meets the ASTM specification F1554 Grade 55 we are able to meet both specifications for grade 36 and 55. All steel used in our manufacturing facility in certified to “Made in USA”, symply requests certs in our notes section at checkout and we will send material certifications to you. We manufacture our anchor bolts out of our Illinois facility. If you require specific dimensions that are not listed above please contact us with your requirements for a quote. Standard size anchor bolts are made with a 4″ leg and 4″ right hand thread. The length of the straight dimension is listed in the bolt description with a 4″ Leg added to it. If you require more specific details to your anchor bolts please contact us and we will supply you with a quote.