#plate-type #anchor bolts are threaded at either end, with one end consisting of a plate washer, either welded to the #bolt π οΈ or with a tack-welded #nut inside the #concrete π§±. These types of #hold #down #bolts are often used to anchor structures to foundations, such as traffic sign poles π¦, or load-bearing elements like columns ποΈ https://www.cdaets.com.au/blog..../hold-down-bolts-101