TOWER BOLT A tower bolt is a mechanical fastener used to secure doors and windows. It consists of a cylindrical metal rod attached to a rectangular base, which can be manually slid into a holder or socket. When the rod is pushed into the socket, it locks the door or window, preventing it from opening. The bolt is typically mounted on the interior side for added security. Here are some key points about tower bolts: Materials: Tower bolts are often made from metals like brass, steel, or aluminum for strength and durability. Sizes: They come in various sizes, typically ranging from a few inches to several inches, depending on the application. Installation: They are easy to install and are commonly used for added security on interior doors, gates, cabinets, or windows. Tower bolts are popular due to their simplicity and effectiveness in securing areas of a home or building.