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″.
It is extremely difficult to find F1554 grade 105 all thread rod in stock. Portland Bolt inventories F1554 grade 105 all thread rod from 1/2″ – 1-1/2″ diameter. All diameters above 1/2″ are 100% domestic. Larger diameter F1554 grade 105 all thread rod can be manufactured to order.