A wedge anchor is a mechanical type expansion anchor that consists of four parts
The threaded anchor body expansion clip, nut and washer, permanently preassembled into a single unit
The carbon steel rob is threaded for a portion of its length
The extreme end of the threaded portion is rounded to protect the threads from damage while the anchor is being driven into the hole drilled in the concrete
The other end of the rob ha necked down diameter, which runs for a short distance, at the end of which it tapers outwardly to the full diameter of the rod
A precision formed universal clip made of carbon steel is permanently assembled around the necked down diameter to complete the anchor