Expandable anchors, often known as expansion anchors, are fasteners designed to secure objects to solid materials such as concrete, brick, or stone. The fundamental principle behind their design is the ability to expand under pressure, thereby creating a secure grip within the base material. When installed, the anchor's body expands outward, locking itself firmly in place, making it suitable for heavy loads and dynamic forces.

3. Versatility While they are primarily used for drywall applications, fine thread screws can be advantageous in various woodworking projects. They are suitable for attaching plywood, MDF, and other materials to wooden frames, making them a versatile choice for builders and DIY enthusiasts alike.