It is virtually impossible to find stock all thread rod conforming to the requirements of F1554 grade 55. However, Portland Bolt stocks 5/8″ – 1″ diameter F1554 grade 55 all thread rod that is domestic and meets the supplemental welability requirements. Portland Bolt manufactures F1554 grade 55 all thread rod in diameters larger than 1″.
![F1554 Anchor Bolts](https://www.f1554anchorbolts.com/wp-content/uploads/sites/5/2017/03/f1554-header-min.png)