Simpson Strong-Tie's 1/4-20 x 1/2 in. Gas-Actuated Coarse-Threaded Studs provide a threaded fastening solution for concrete and steel attachment applications using compatible Simpson Strong-Tie gas-actuated tools and loads. The threaded portion is designed to accept matching 1/4-20 hardware, while the shank is engineered for installation into the base material. These studs are useful for securing fixtures, supports, electrical components, and other construction hardware where a mechanically driven threaded connection is required. Proper tool, load, substrate, and fastener selection should be confirmed for each application to ensure the connection meets project requirements.