The Remsafe Patio Bolt introduces a strong high security door bolt to our keyed-alike range. The Patio Bolt can be installed at the top and/or bottom of sliding and hinged doors to increase security and safety. A highly versatile door bolt, it can also be used to secure sliding doors in the restricted open position. The bolt will engage to secure the door with the option to deadlock with the key when additional security is required. The Remsafe Patio Bolt is supplied with a packing plate for additional body height, screws for aluminium or timber installations and a strike plate for use on hinged doors.