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EN 1303 CERTIFIED EURO LOCK CYLINDER MANUFACTURER

We manufacture and supply EN 1303 European lock cylinders, our precision-engineered brass lock cylinders, dimensions compliant with DIN 18252, are widely used in fire doors in public buildings worldwide. We offer volume production and custom solutions.


1

Thumb Turn Lock Cylinder

• Operable with a key on one side and a knob on the other
• Brass material
• 5/6pins
• Length available: 60-95mm
• Fire test: Timber fire door: 60mins
2

Double Lock Cylinder

• Operated with keys on both sides
• Brass material
• 5/6pins
• Length available: 60-95mm
• Fire test: Timber fire door: 60mins
3

Privacy Lock Cylinder

• Operated with a knob inside for convenience and an emergency release slot outside, allowing the door to be unlocked with a coin or screwdriver in emergencies.
• Brass material
• Length available: 60-95mm
4

Half Lock Cylinder

• Operated with a key or knob on one side only
• Brass material
• 5/6pins
• Length available: 40-55mm
• Fire test: Timber fire door: 60mins

MASTER KEY SYSTEMS

We can do master key systems, which can address the pain points of key control in large-scale scenarios.
Master key systems refer to a complicated method of access control in which a single key, called the master key, can unlock multiple locks within a designated system. In addition to the master key, there will be multiple sub-master keys. They are different levels of master key access, ensuring that authorized people have access to specific areas while restricting access to others.
These systems enhance security, simplify key management, and offer flexible access control for any building scale.
We have many years of experience with euro cylinder locks master key. It is possible to create multi-level master key systems each with unique access rights for different groups of users. We can do 2-level, 3-level, 4-level master key systems, even 5-level can be provided.
Provide us with your master key system diagram for a personalized design solution tailored to your needs!
master key systems

WHY CHOOSE DIROCK EURO PROFILE LOCK CYLINDERS?

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Compliance Guaranteed

Meets EN 1303 performance standards and DIN 18252 dimensions. Passed EN1634-1 fire test (60 mins on timber doors).

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Durability

Assurance

100,000 cycle endurance and highest-grade corrosion testing for long-term reliability.

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Precision

Engineering

Premium brass construction with reinforced structure, manufactured through high-precision processes. Features 5 or 6 security pins.

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Diverse

Styles

A range of styles is available, with various lengths and knob types for diverse door thicknesses and applications. Supports master key systems. Easy installation, compatible with any project.

APPLICATION

Our euro cylinder locks are widely used in hotels, medical facilities, airports, subways, schools, shopping malls, and other large public buildings.

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WHY PARTNER WITH US?

In the fire door hardware supply chain, partner selection directly impacts project compliance and safety. DIROCK is always committed to delivering certified fire resistance door hardware solutions for global building safety. Every commitment we make is backed by three pillars: manufacturing capabilities,quality management systems, engineering-grade delivery assurance.
1. certification

Standards & Certifications

Products: Obtain CE certification (Intertek & Warrington)

Factory: Three system certifications ISO 9001 (Quality)| ISO 14001 (Environment)| ISO 45001 (Safety)

Manufacturing Capabilities

Self-owned factory,stable funding with advanced automated production lines

Stable capacity, average monthly production capacity of 200,000 locks, 100,000 handles, supporting OEM customized services.

2. manufacturing capabilities(1)
3. quality assurance

Quality Assurance

Relying on ISO 9001 to establish production control system (FPC), strictly controlling every link from raw material procurement to product delivery, ensuring quality consistency and full traceability.

In-house laboratory equipped with testing facilities for precise inspection.

ISO CERTIFICATION

1. ISO9001 certification
2. ISO14001 certification
3. ISO45001 certification

PRODUCT CERTIFICATION

1. CE EN12209
2. CE EN179
3. EN1906 lever handle
4. EN1303 profile cylinder
5. CE warrington (in progress)

AUTOMATED PRODUCTION EQUIPMENTS

1. Laser cutting

Laser cutting

2. Lock assembly

Lock assembly

3. Brushing

Brushing

5. Brushing (2)

Brushing

7. Cylinder housing production

Cylinder housing production

8. Cylinder plug production

Cylinder plug production

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We're Here to Support Your Projects.

Contact our experts to discuss your project's needs and let us help you ensure the compliance and safety of your building.

FAQs

1. What is a euro cylinder lock?

Euro cylinder lock, also refers to euro profile lock cylinder, working with euro mortise locks. It is the core component of a locking mechanism, often referred to as the “heart” of the lock. It’s where the key is inserted and turned to lock and unlock the device. The cylinder typically contains pins, springs, and other components that align with the key’s notches to allow the lock to turn.

2. How to measure a euro lock cylinder?

To measure a euro cylinder lock, take measurement from the center of the screw hole to the edge of the door lock cylinder on both sides. The sum of these two measurements should equal the overall length of the cylinder. For example, a 35/35 measurement would indicate an 70mm total length.

3. How does a euro cylinder lock work?

Euro cylinder locks incorporate a series of pins of varying lengths to ensure that the lock remains secure until the correct key is inserted. The correct key aligns these pins, enabling the lock to turn and activate or deactivate the locking mechanism. The number of pins can vary, with a higher number of pins typically means enhanced security.

At DIROCK, we can do 5 pin/ 6 pin euro cylinder lock.

4. How to install euro cylinder lock?

To install a euro cylinder lock, first ensure that the door thickness is compatible with the cylinder size. Insert the new door cylinder, aligning it with the door, and secure it with the screw. Test the lock with the key to ensure it operates smoothly.

5. What are euro cylinder lock types?

There are different types of euro cylinder locks. Double euro lock cylinder, thumb turn euro lock cylinder, half euro lock cylinder, bathroom euro lock cylinder.

RELATED BLOGS

  • Guide to EN 1303:2015 - Cylinders for Locks Coding System
    The European Standard EN 1303:2015 evaluates and tests lock cylinders for durability, fire resistance, attack resistance, and more. It classifies products via an 8-digit coding system, where each digit represents specific performance characteristics against standardized requirements. This coding sys
    Product
  • Do Door Handles Need To Be Fire Rated?
    Fire doors are critical components of a building’s passive fire protection system. Designed to contain flames and smoke within specific areas, they create physical barriers that provide evacuation time for occupants and minimize fire damage. Fire doors must comp
    Product
  • EN1906 - Classification Code for Lever Handle and Knob Furniture
    In our previous article, we explored the classification codes for EN12209 mechanical locks and strike plates. This time, we will focus on the standardized performance grading of a complementary component—lever handles and knob furniture—according to the EN 1906 standard. Utilizing an 8 - digit codin
    Product

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