SKG is an abbreviation for Stichting Kwaliteit Gevelbouw, a Dutch foundation that is focused on improving the quality of facade construction products. The foundation has set up a certification scheme in which products are tested and certified as meeting certain quality and safety standards.

SKG security hardware is a type of hardware that is designed to increase the security of a door. This type of hardware can be used on interior or exterior doors and is typically made of high-quality metal. The hardware can be equipped with different types of locks, such as cylinder locks or multipoint locks, to further secure the door.

SKG security hardware is often used in homes, offices, and other buildings where a higher level of security is required. For example, it can be used on doors that provide access to valuable items or sensitive information. By using SKG security hardware, owners of buildings can be sure that their doors are well protected against intrusion or break-ins.