Light-duty plug-style anchors and wedge anchors serve different purposes and have distinct characteristics, making them suitable for various applications.
Light-duty plug-style anchors are typically used for lighter loads and are ideal for materials like drywall, plaster, or light concrete. They are easy to install, requiring a pre-drilled hole into which the anchor is inserted. As the screw is driven into the anchor, it expands, creating friction against the walls of the hole to hold the fixture in place. These anchors are cost-effective and suitable for hanging pictures, light fixtures, or small shelves. However, they are not designed for heavy loads or high-stress applications.
Wedge anchors, on the other hand, are designed for heavy-duty applications and are commonly used in solid concrete. They consist of a threaded stud, a nut, and a washer. Installation involves drilling a hole in the concrete, inserting the anchor, and tightening the nut, which pulls the wedge up into the anchor body, expanding it against the concrete. This provides a strong, secure hold capable of supporting substantial weight. Wedge anchors are ideal for structural applications, such as securing steel columns, heavy machinery, or large shelving units.
In summary, light-duty plug-style anchors are suitable for lighter, non-structural applications, offering ease of use and cost-effectiveness. Wedge anchors provide robust support for heavy-duty, structural applications, ensuring a secure hold in solid concrete. The choice between the two depends on the load requirements and the material into which the anchor will be installed.