Lock cylinders

When your keys are lost or stolen, when you move into a home, after an attempted break in, when the key turns badly or if the cylinder has no protection at all. Read the full answer

The cylinder is the part the key goes into; the lock is the mechanism inside the door that moves the bolts. Often changing the cylinder is enough. Read the full answer

It is measured from the centre of the fixing screw, on the edge of the door, to each end. If both sides are equal it is symmetrical; if not, it is offset. Read the full answer

It is a cylinder built to resist bumping, a technique that opens basic cylinders by tapping a doctored key, leaving hardly any marks. Read the full answer

It is breaking the cylinder at its weakest point when it sticks out of the door. It is prevented with an anti-snap cylinder of the right size and an escutcheon that covers it. Read the full answer

The best is a cylinder that has all three. If you have to prioritise and the cylinder sticks out, anti-snap comes first, because it is the most direct attack. Read the full answer

It depends on the cylinder you choose, its size and the door. We give you a fixed quote before we start; the quickest way is a photo on WhatsApp. Read the full answer

It is one of a locksmith’s quickest jobs if the size is standard and the lock is fine. It takes longer if something needs adjusting or the size is unusual. Read the full answer

Yes, with keyed alike cylinders. All the doors open with the same key, as long as they have a European profile cylinder. Read the full answer

It is the card that comes with many security cylinders and has to be shown to order copies of the key. Without it, the key cannot be duplicated. Read the full answer

It is a cylinder that lets you open from outside with your key even if another key is in on the inside. Nobody gets locked out by a key forgotten in the lock. Read the full answer

Because anything that sticks out can be gripped, snapped or pulled out. With a cylinder of the right size and a security escutcheon that weak point disappears. Read the full answer

A security cylinder with a protected key, so nobody can have copies made on their own, and changing it as soon as a key goes missing. If there are several doors, they can be keyed alike. Read the full answer

It is not compulsory, but it is the most advisable thing: you do not know how many copies there are or who has them. With a new cylinder, only you have a key. Read the full answer

Yes. Aluminium and uPVC doors usually have a European profile cylinder, often a short one. It is changed without any problem, making sure the size is exactly right. Read the full answer

Yes. Salt and damp in the air seize the cylinder and corrode its parts. Cleaning it, lubricating it properly and choosing a resistant cylinder helps a lot. Read the full answer

With powdered graphite or a lubricant made for locks. Never with oil or grease, which trap dust and sand and end up clogging it. Read the full answer

We work with cylinders from well known brands, from basic to high security. We choose with you the one that best suits your door and how you use it. Read the full answer

They are the classifications in the UNE-EN 1303 standard, showing how secure the key is and how well the cylinder withstands attack. The higher the grade, the more protection. Read the full answer

It is a system in which one master key opens several locks and each individual key opens only its own. It is used in communities, shops and businesses. Read the full answer

Yes. Many doors with an old lever lock can be converted to a European cylinder, which is more secure and lets you choose the level of protection. Read the full answer