Drop-in anchors are a type of heavy-duty anchor used to provide a secure and permanent anchor point in concrete, brick, or other solid materials. These anchors are typically used to secure machinery, equipment, and fixtures to floors or walls. The anchor is designed with a smooth body and a lip at the top. A setting tool is used to insert the anchor into a pre-drilled hole in the material, with the lip sitting flush with the surface. Once the anchor is in place, a bolt or screw can be inserted into the anchor to provide a secure connection. Some of the advantages of using drop-in 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 and removal of the bolt or screw When using drop-in anchors, it is important to choose the correct size and type of anchor 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 seated properly in the hole before tightening the bolt or screw. Professional installation may be required for particularly heavy loads or applications where safety is a concern.