Drop-in anchors are female (internal) threaded concrete anchors, often installed overhead that run flush with the surface of concrete or stone. They are for use in flush-mount applications in solid base materials.
Drop-in Anchors should be installed crimped side down into a predrilled hole. They require a setting tool for proper installation.
Zinc adds a layer of corrosion resistance to the drop-in anchors. Zinc plated steel is not suitable for extreme environment use.
Thread Diameter - Thread Pitch x Length of Anchor