Views: 0 Author: D&D Hardware Publish Time: 2026-04-28 Origin: D&D HARDWARE
Premium BS EN1303 Certified Lock Cylinders with Fire Rating EN1634 (183 mins) & Corrosion Resistance EN1670
D&D Hardware specializes in manufacturing premium euro lock cylinders specifically designed for commercial fire-rated doors. Our cylinders combine superior security, durability, and compliance with international fire safety standards. Whether you're equipping metal doors, wooden doors, or composite fire-rated doors, our solutions deliver exceptional performance and reliability.
100,000 cycles durability test ensures long-lasting performance and reliability
183 minutes fire resistance rating for maximum safety in commercial environments
EN1670 certified with 96-hour corrosion resistance testing for durability
All D&D Hardware euro lock cylinders undergo rigorous testing by independent certification bodies to ensure compliance with the highest international standards. Our certifications guarantee quality, security, and fire safety performance.
BS EN1303:2015 - Cylinders and Input Devices for Locks
Verification Number: 2211250790GZU-VOC001 | Tested by Intertek
Our cylinders meet the European standard for pin tumbler locks with ratings 1 6 0 B 0 C 6 0, ensuring optimal security and performance in commercial applications.
EN1634 - Fire Resistance Testing (183 Minutes)
Certified for 183 minutes of fire resistance on wooden composite fire doors, meeting strict commercial fire safety requirements for emergency egress and life safety.
EN1670 - Corrosion Resistance (96 Hours)
Tested and verified for enhanced durability in harsh environments
Our solid brass construction with premium finishes ensures exceptional corrosion resistance, maintaining security and aesthetic appeal over years of use.
Quality Assurance: All D&D Hardware euro lock cylinders pass 100,000 mechanical cycles testing, guaranteeing exceptional durability and reliability for high-traffic commercial applications.
D&D Hardware offers a comprehensive range of euro lock cylinder types to meet diverse commercial fire door requirements. Each type is available in multiple sizes and finishes to suit your specific application.
Key Access: Both sides
Ideal for commercial fire doors requiring key access from both interior and exterior. Maximum security with locking capability from both sides of the door.
Available Sizes: 60mm, 70mm, 80mm, 90mm
Access: Key + Manual thumbturn
Hybrid design combining key lock on one side with manual thumbturn on the other. Ideal for emergency egress requirements in fire-rated doors.
Available Sizes: 60mm, 70mm, 80mm, 90mm
Key Access: One side only (compact)
Compact design for applications with space constraints. Commonly used on emergency exits, storage areas, and specialized fire door installations.
Available Sizes: 45mm, 55mm
Key Access: Manual thumbturn
Perfect for bathrooms, it boasts an easy thumbturn inside for swift, effortless locking; exterior remains secure, ensuring utmost privacy.
Available Sizes: 60mm, 70mm, 80mm, 90mm
The following D&D Hardware euro lock cylinder models are certified to BS EN1303, EN1634, and EN1670 standards:
| Product Series | Product Model | Available Sizes | Type | Application |
 | DDLC001 | 60mm, 70mm, 80mm, 90mm | Key and Turn Cylinder | Standard fire doors, commercial buildings |
 | DDLC002 | 60mm, 70mm, 80mm, 90mm | Single Cylinder with Turn | High-security fire doors, restricted access |
 | DDLC003 | 60mm, 70mm, 80mm, 90mm | Double Cylinder | Premium fire-rated doors, hotels, offices |
 | DDLC004 | 60mm, 70mm, 80mm, 90mm | Thumbturn Cylinder with Key | Mortise lock applications, metal doors |
 | DDLC007 | 60mm, 70mm, 80mm, 90mm | Bathroom Cylinder | Commercial fire doors, high-traffic areas |
 | DDLC009 | 45mm, 55mm | Half Cylinder with Turn | Classroom door solutions |
 | DDLC010 | 45mm, 55mm | Half Cylinder with Key | Used together with night latch lock |
| DDLC014 | 60mm, 70mm, 80mm, 90mm | Key and Turn Cylinder ( Peanut Knob) | Flexible sizing, various door types | |
| DDLC024 | 60mm, 70mm, 80mm, 90mm | Bathroom Cylinder ( Peanut Knob) | Premium finish options, aesthetic applications | |
| DDLC025 | 45mm, 55mm | Half Cylinder with Turn ( Peanut Knob) | Compact fire door solutions |
D&D Hardware euro lock cylinders support multiple key management options to meet complex commercial security requirements:
✔ Master Key System: Hierarchical key control for large facilities with multiple access levels
✔ Construction Key System: Temporary access keys for building contractors during construction phase
✔ Keyed Alike: Multiple cylinders operated by the same key for simplified access
✔ Keyed Different: Individual keys for each cylinder ensuring maximum security
✔ Restricted Key Profiles: Patented key designs preventing unauthorized duplication
✔ Key Control Documentation: Complete tracking and documentation of all keys issued
D&D Hardware euro lock cylinders are manufactured from high-quality materials with multiple finish options to suit any commercial fire door aesthetic:
Solid Brass Construction: Premium brass body and plug for superior durability and corrosion resistance
Satin Nickel Finish (SN): Modern, professional appearance with excellent corrosion resistance
Pearl Nickel Finish (PN): Premium aesthetic finish for high-end commercial applications
Satin Chrome Finish (SC): Contemporary look with enhanced durability
Antique Brass Finish (AB): Classic appearance for heritage and traditional buildings
Polished Chrome Finish (PC): Bright, reflective finish for modern commercial spaces
What makes D&D Hardware euro lock cylinders suitable for fire doors?
D&D Hardware euro lock cylinders are specifically designed and tested for fire-rated door applications. They hold EN1634 certification with 183 minutes of fire resistance testing, ensuring they maintain structural integrity and locking function during fire emergencies. Combined with BS EN1303 mechanical durability testing (100,000 cycles) and EN1670 corrosion resistance, our cylinders meet all requirements for commercial fire door installations.
Single Euro Cylinder: Key access from one side only, commonly used for interior fire doors or one-directional access requirements. Double Euro Cylinder: Key access from both sides, providing maximum security and control for commercial fire doors. Half Euro Cylinder: Compact design with key access from one side only, ideal for space-constrained applications or emergency exits. Choose based on your specific access control requirements and door installation specifications.
D&D Hardware supports hierarchical master key systems where multiple cylinders can be operated by master keys while maintaining individual key access. This allows facility managers to control access across different zones and security levels. For example, a master key might open all fire doors on a floor, while individual keys open specific doors. We provide complete key control documentation and can customize systems for complex commercial buildings.
How long do D&D euro lock cylinders last?
D&D Hardware euro lock cylinders are tested to BS EN1303 standards for 100,000 mechanical cycles, which translates to approximately 10-15 years of typical commercial use. The solid brass construction and premium materials ensure long-term durability. Combined with our EN1670 corrosion resistance certification (96-hour testing), our cylinders maintain performance and security in demanding commercial environments for extended periods.
Yes, D&D Hardware euro lock cylinders are designed for easy replacement and retrofitting. The modular design allows quick removal and installation without modifying the door. However, it's important to ensure proper sizing and compatibility with existing door hardware. We recommend consulting with our technical team to verify compatibility with your specific fire door installation before ordering.
