Locks: Cylinder Locks compatible with the CISA Astral keyway

Our comprehensive range of precision-engineered cylinder locks provides the core security for a wide variety of domestic and commercial doors. Whether you require standard Euro cylinders - including high-security Double Euro and convenient Key & Turn Euro options - or traditional UK Oval profiles, our selection covers all installation requirements. We stock everything from versatile Rim cylinders for nightlatches and threaded Screw-In cylinders for aluminium doors, to specialist Scandinavian Oval and Banham cylinders. With options ranging from single-sided half cylinders for garages to premium Evva systems and essential installation accessories, you can easily find the perfect replacement cylinder to upgrade your home or business security. View all Cylinder Locks products