Cylinder Deadbolts and Roller Bolts

A cylinder deadbolt can be automatically locked when the door is closed or operated by a handle on the inside, a turn of the key on the outside will lock or unlock the bolt.  Rollerbolts operate on a push pull action when the door is opened or closed and become an extended throw deadbolt which can be locked or unlocked from either side.  Available from Banham, Chubb, Ingersoll, Union and Yale in many styles, colours and sizes.