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MB Master Key Euro Cylinder Lock System

SKU N/A Category

£21.50

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About this product:

Key Features & Benefits

  • Compatibility with multiple locks: one master key can be designed to work with a wide range of lock sizes.
  • Restricted key profile: with our restricted key profile as standard this provides a more secure locking mechanism.
  • Convenience for landlords & property managers: carry one key instead of a heavy bundle
  • Cost-efficient alternative: reduce the need for duplicating and storing dozens of individual keys
  • Durable, reliable, secure: precision-engineered from high-strength materials for long-lasting use
  • Flexible options: You can also introduce Thumbturn Locks into your master key system here

** PLEASE NOTE When ordering online we can offer a single master key system per transaction. If you require multiple master key systems or Grandmaster Systems, please contact our sales team on 01642 455945 **

About this product:

Key Features & Benefits

  • Compatibility with multiple locks: one master key can be designed to work with a wide range of lock sizes.
  • Restricted key profile: with our restricted key profile as standard this provides a more secure locking mechanism.
  • Convenience for landlords & property managers: carry one key instead of a heavy bundle
  • Cost-efficient alternative: reduce the need for duplicating and storing dozens of individual keys
  • Durable, reliable, secure: precision-engineered from high-strength materials for long-lasting use
  • Flexible options: You can also introduce Thumbturn Locks into your master key system here

** PLEASE NOTE When ordering online we can offer a single master key system per transaction. If you require multiple master key systems or Grandmaster Systems, please contact our sales team on 01642 455945 **

If you’ve ever struggled with carrying a bunch of keys to open different doors on your premesis, you’re in luck. At MB DIY we now provide the latest Euro Cylinder Master Keys System, a planned lock arrangement that uses a specially designed key to operate multiple locks, allowing residants or occupants of the property to have their own individual key. This makes access much simpler, faster and more reliable for those managing multiple rooms, units or entry points. Instead of needing a separate key for each lock, one special master key will open multiple doors. This gives landlords, and businesses an easier and more dependable solution to manage access.

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Each lock in the system is built with an extra set of pin combinations that grants a master key access as well. These locks can be configured with a standard euro cylinder which is the most popular cylinder type on the market. This means tenants, guests or staff will have their own key that works only on their door, while the landlord or property manager can use a master key to access them all. For example, in a hotel a guest key unlocks one room, but housekeeping can carry a master key that opens every room they need to service. The same idea works for schools, resorts, and many other facilities.

At MB DIY, we provide one master key system per transaction. Multiple systems cannot be combined in a single online order and if you need a multi-master suit system, simply contact us or place separate orders to keep your setup clear and hassle-free.

Master Key Suite vs Grand Master Key System

There are two main structures of the master key system, the first is the Master Key Suite System and the second is the Grand Master Key System. The choice you make primarily depends on the scale of your property and the number of users you’re expecting to accommodate, so let’s break it down:

  • Master Key Suite

This is the simplest option, and the one most customers choose for their property. It is designed so that one master key opens all the locks within a single property or site, while each user retains their own key for their own door. This system is ideal for landlords managing a single block of properties. It also works well for schools with classrooms in the same building, or for small business where one manager needs access to all rooms while staff members have access only to their own areas.

  • Grand Master Key System

This system is designed for larger and more complex setups. It is engineered to combine several master key suites under one overarching hierarchy.  For example, if you have a master suite in a hospital and another in a school, one grand master key will grant you access to both. This system is perfect for large organisations that manage multiple building, as it provides a clear hierarchy of access. While managers operate their own master keys, senior management staff carry the grand master key for total coverage. If you’re considering a Grand Master Key System, then contact us directly for expert advice and tailored solutions.

Master Keys Systems from MB DIY?

Master Key Suite system is very secure. Each tenant has their own key that will open their designated lock. You can even expand on the system by adding new locks, without needing to replace the entire system. So, while every tenant retains their own key, ensuring privacy and independence, the master or grand master key will only provide authorised oversight. Whether you use euro cylinders, these can be built into the system to offer seamless convenience and flexibility.

A master key system simplifies access allowing one special key to open multiple locks. This makes it ideal for homeowners, landlords and businesses to manage access without carrying multiple keys. On the other hand, if you’re looking to implement a Grand Master Key System, this will centralise control across multiple properties under one unified hierarchy.

Take total control of your properties and invest in a Master Key or Grand Master Key System from MB DIY to take security and access management to its highest level.

*Disclaimer*

At MB DIY, we provide one master key system per transaction. Multiple systems cannot be combined in a single online order and if you need a multi-master suit system, kindly contact us or place separate orders to keep your setup clear and hassle-free.

When ordering your master suite, if you need to add additional cylinders in the future please make this known at the point of purchase, so a full pinning sheet can be generated.

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Product content, images and descriptions are produced by MB DIY. This content is copyrighted and not to be duplicated on other websites. For business resources contact us. 

Additional information

Brand

Colour

Chrome

Cylinder Profile

Euro Cylinder

Cylinder Security

6 pin

Cylinder Size

35/35 (70mm), 35/40 (75mm), 35/45 (80mm), 35/50 (85mm), 35/55 (90mm), 40/40 (80mm), 40/45 (85mm), 40/50 (90mm), 40/55 (95mm), 45/45 (90mm), 45/50 (95mm), 45/55 (100mm), 50/50 (100mm)

Cylinder Type

Key/Key

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October 7, 2026
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MB Master Key Euro Cylinder Lock System

MB Master Key Euro Cylinder Lock System

£21.50

Discontined Products

The product is no longer available and has been set to “Discontinued”.

We will no longer be receiving stock of this item. Please contact us using the “Got a question” button on the product page for an alternative option.

Due to length & size restrictions with our delivery partners, we are currently only able to deliver certain items to the following postal areas:

  • All TS postcodes
  • All NE Postcodes
  • All DL Postcodes
  • All DH Postcodes
  • All SR Postcodes

We are looking into increasing our postcode range gradually with our own fleet of vehicles.
Should you not want to opt for a delivery service, please be aware Click and Collect is still available on all of our items.

We aim to despatch all of our orders within 24-48 hours of order confirmation, during peak times or bank holidays this despatch time can occasionally be increased.

Should you have any queries regarding this please don’t hesitate to call our sales team on 01642 455945.