Install with the twist of a nut—no adhesive or special installation tool required. All of these anchors have a wedge-shaped base with expansion clips that widen against the hole’s sides, creating a tight grip for overhead use. They’re often used to suspend conduit, lighting, and pipes. Since the grip is focused at the base, these anchors are best suited for concrete, which can handle the gripping pressure better than softer block and brick. However, they are not as strong as our other anchors for concrete that are for overhead use.

To install, thread the anchor onto a threaded rod with a nut and washer. Then, tap into a drilled hole and turn the nut to expand the base. These anchors should be recessed—install to any depth greater than the minimum installation depth. Remove your component by unfastening the nut, but the anchor itself cannot be removed.