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