The ideal lock cylinder for your Nuki Smart Lock: Nuki Universal Cylinder

Our Nuki Universal Cylinder fits almost every door and complies with the highest security standards.

99 € CHF 99 £ 89 Buy now

Nuki Universal Cylinder

Everyone can open doors in a smart way

Fits every door

Fits every door

Your locking cylinder is not compatible with the Nuki Smart Lock? Then the Nuki Universal Cylinder is the ideal solution for you.

 Easy to adapt

Easy to adapt

The Nuki Universal Cylinder is made of individual modules. This makes it easy to adapt to different door dimensions.

Highly secure

Highly secure

Our locking cylinder offers maximum protection against break-ins and manipulation.


Nuki Universal Cylinder

Security powered by M&C

Nuki developed this modular lock cylinder in collaboration with the leading company M&C. Take the opportunity to buy a secure lock cylinder with the highest security class SKG*** and EN 1303 certification.

99 € CHF 99 £ 89 Buy now

How do I change my cylinder lock?

You can change your locking cylinder yourself. In this video, we’ll show you how
to remove your old cylinder and install a new one:


All features at a glance

Emergency function

Emergency function

Thanks to the built-in emergency function, the door can still be locked from the outside with the key after the Nuki Smart Lock has been installed on the door from the inside.

Security Card

Security Card

The Nuki Security Card protects you against unauthorized copying of key. Additional keys can only be ordered with the enclosed security card.

Best Quality

Best Quality

Our locking cylinder was built in accordance with the security class SKG***. This guarantees drilling protection, impact protection and core protection for exterior doors.



Nuki Universal Cylinder Security Card

Order extra keys

The Nuki Universal Cylinder comes with 5 keys. Order extra keys and keyed alike cylinders through the M&C Online Shop.
Important: Additional keys can only be issued upon presentation of the Nuki Security Card.

Order keys From M&C By clicking the button, you will be leaving our website and entering the M&C Online Shop.

  • How secure is the Nuki Universal Cylinder?

    The Nuki Universal Cylinder offers maximum protection. The Nuki Universal Cylinder corresponds to the highest possible security class SKG***. Furthermore, it has anti-shattering and anti-bumping features. It also offers protection against drilling and extraction. In other words, the Nuki Universal Cylinder offers maximum protection against break-ins and manipulation.

    Thanks to the built-in emergency function, the door can still be locked from the outside with the key after the Nuki Smart Lock has been installed on the door from the inside.
  • Which cylinder dimensions are supported?

    The Nuki Universal Cylinder is designed as a modular solution. Developed as a modular solution, the Nuki Universal Cylinder is easy and straightforward to lengthen or shorten to the right size. This means there are 33 possible cylinder dimensions that make the Nuki Universal Cylinder compatible with almost every door in Europe.

    The Nuki Universal Cylinder offers you three external dimensions and eleven internal dimensions. You can find all possible dimensions here.
  • How do I order additional keys or keyed alike cylinders?

    Additional keys can be ordered with the enclosed Nuki Security Card. 5 keys are included with delivery. Additional keys can be ordered with the enclosed Nuki Security Card. The unique code on your security card prevents unauthorized copying of the keys.

    Visit https://nuki.m-c.eu/ to order extra keys or keyed alike cylinders.

    Note: You will need your security card to order additional keys or keyed alike cylinders.
  • Is the Nuki Universal Cylinder a reversible key system?

    The Nuki Universal Cylinder with reversible keys is extremely user-friendly. It makes no difference how your key is inserted. Keys for the Nuki Universal Cylinder are reversible keys and therefore very comfortable to use. The key channel of the Nuki Universal Cylinder is horizontally aligned.
    On the inside of your door no key is needed at all. You will receive your cylinder with a matching knob adapter. The knob adapter is perfectly adapted to your Nuki Smart Lock.
  • Is the Nuki Universal Cylinder only compatible with the Nuki Smart Lock 4.0?

    The Nuki Universal Cylinder is compatible with every Nuki Smart Lock 2.0 and 3.0. The Nuki Universal Cylinder is compatible with the Nuki Smart Lock (Smart Lock 2.0 and higher). With the Nuki Universal Cylinder you do not need a key on the inside of your door. You will receive your cylinder with a matching knob adapter. The knob adapter is ideally adapted to the conditions of your Nuki Smart Lock.

    First generation devices do not support knob cylinders yet. Thus, the Nuki Universal Cylinder is compatible with every Nuki Smart Lock 2.0, 3.0 and 4.0.