Simpson Strong-Tie dia50c20 1/2 Drop-in Anchor

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.