The Screw-In Rim Cylinder lock is frequently utilised on Aluminium main access doorways, more commonly on shops. This sturdy lock provides the best form of security, which is why it is popularly fitted to exterior doors on commercial properties. The cylinder screws into a centre case which holds it in place with 2x grub screws.

The Oval Anti-Snap lock is the ideal choice of lock for Aluminium doors. It is an incredibly secure style of lock, but it is imperative that the lock is positioned no more than 3mm from the edge of the door – otherwise the security levels can be seriously weakened. Offering good value for money, the Oval Anti-Snap lock ensures that the lock is not vulnerable to the burglary method of lock snapping.

The Euro Cylinder lock can range in security and are now made with a snap resistant core. The lock works by rotating to move a bolt, tumblers and pins, when you insert the key into the lock the key lifts and aligns the pins to free the cylinder to rotate and open or lock the door. You can have a variety of pins, the most common lock being the 5 pin euro cylinder lock. The more pins you have in the lock, the harder it is to gain entry.