Whitco Products Whitco protects millions of Australian homes and offers a large range of security and hardware products for residential doors and windows. With our proud heritage, and by offering a wide variety of locks at affordable prices, Whitco has become one of Australia’s most trusted brands. Hinged Door Locks and HardwareFrom secure locking to fixing and control devices including Deadbolt, Deadlatch, Key in Knob and Key in Lever products. Sliding Door Locks and HardwareA range of sliding door locks and hardware to suit aluminium and timber sliding patio doors and security screen doors. Security Screen Door Locks and HardwareSecurity, fastening and control hardware for hinged security screen and safety screen doors. Window LocksA range of window security solutions to suit sliding, awning, casement and double hung window types including lockable Chainwinders and CYL4 Window Lock products. Window WindersChain and Solid Arm type operators for Awning and Casement windows. Window Hardware and AccessoriesControl and fastening devices for a range of window types.