Simpson Strong-Tie DIA Drop-in Internally Threaded Anchor for 3/8-in. Rod

Drop-in anchors are internally threaded, deformation-controlled expansion anchors with a preassembled expander plug, suitable for flush-mount applications in solid base materials. The anchor is set by driving the expansion plug towards the bottom of the anchor using the setting tool. Drop-in anchors are also available in coil threaded versions for 1/2-in and 3/4-in coil threaded rod.