Wedge Anchors in zinc plated carbon steel is an expansion clip to grip to the partitions of Permanent holes whilst the nut is tightened on the top. The collar expands and “wedges” itself towards the material walls and serves as the Leg of the bolt, holding the fixture in place.
How are wedge anchors measured?
Wedge Anchor diameter is measured from the outer side of the threads. Wedge Anchor length is measured from the top of the Bolt to bottom.