Shield anchors are a type of heavy-duty fixing used to securely anchor objects to concrete, brick, or other masonry materials. They are designed to provide a strong and permanent anchor point for heavy loads, such as machinery, equipment, and fixtures. The shield anchor is made up of a metal sleeve and a bolt. The sleeve is inserted into a pre-drilled hole in the material and then expanded by tightening the bolt. This causes the sleeve to grip onto the sides of the hole, providing a secure anchor point for the object being fastened. Some of the advantages of using shield anchors include: Can be used in a variety of solid materials Provide a strong and permanent anchor point Suitable for heavy loads Allow for easy installation with a wrench or socket set Can be used with threaded or non-threaded bolts When using shield anchors, it is important to choose the correct size and type of fixing for the load requirements and the material being anchored to. It is also important to follow the manufacturer's instructions for proper installation, and to ensure that the anchor is fully seated in the hole before tightening. Professional installation may be required for particularly heavy loads or applications where safety is a concern.