What Are Wedge Anchors?
Wedge anchors are post-installation anchors used to attach objects to concrete base metal.
There are two types of anchors: pre-installed anchors and post-installed anchors. Pre-anchors are pre-installed in place before the concrete is poured, while post-anchors are drilled in place after the concrete has hardened.
Uses of Wedge Anchors
Wedge anchors are widely used mainly in the fields of construction and civil engineering.
As we can see in our daily lives, they are used to anchor storage sheds to concrete pavement to prevent them from tipping over, or to secure vending machines to the ground.
When fixing something to an existing concrete floor or block wall, unlike wood, it is not easy to process, and bolts and nuts cannot be used as is. Wedge anchors are used for this purpose. If the base material can be drilled, it can be easily secured.
Principles of Wedge Anchors
Wedge anchors are available in two types, the core rod type and the body type. Both types can be installed simply by hammering in the stepped part of the head or the top part of the body. Wedge anchors are easier to install than other products, which require a special hammering rod called a hammering punch for installation.
When holes are drilled, the wedge anchors are inserted into the hole, and the core rod or body of the wedge anchors is driven into the hole with a hammer. The outer circumference of the oar anchor swells inside the concrete, increasing its thickness. As a result, the gap between the wedge anchor and concrete is eliminated and it is fixed. The main body part of the wedge anchor protruding from the concrete has a male screw, so you can use a nut to fix things there.
Since the anchor is a post-construction anchor, it can be drilled and installed after the object to be fixed is set in place. This prevents problems caused by misalignment of the drilling position, such as “I drilled the holes in advance, but when I tried to install the equipment, they did not fit”.