The High-Security Cylinder for Door Locks represents the gold standard in lock cylinder technology, engineered to provide maximum protection against unauthorized entry attempts.
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This advanced security component serves as the critical core of any high-security door locking system, combining sophisticated anti-tampering features with exceptional durability. Designed to resist both traditional and modern bypass techniques, this cylinder offers peace of mind for residential, commercial, and institutional applications where security is paramount. Its precision construction ensures reliable operation while maintaining compatibility with most standard lock bodies, making it an ideal upgrade for existing security systems.

At the forefront of this cylinder's security features is its super B-grade locking mechanism that incorporates multiple rows of precision-machined pins and sidebar technology. This complex configuration provides an impressive ≥270 minutes anti-technical opening time, far exceeding the requirements of standard B-grade cylinders. The unique pin arrangement includes special-shaped pins that prevent common picking techniques, ensuring even experienced intruders are unable to bypass the lock through technical means.
The cylinder features a reinforced hardened steel core that provides 5 minutes of continuous drill resistance, significantly delaying forced entry attempts. Strategic placement of drill-resistant inserts at critical points creates additional barriers against power tool attacks. This robust construction ensures the cylinder maintains its integrity even under extreme physical pressure, providing valuable time for security responses.
Engineered to resist pulling and extraction attempts, the cylinder boasts an impressive 15kN pulling resistance that exceeds industry standards. This exceptional strength prevents the cylinder from being forced out of the lock body using tools or brute force, a common vulnerability in standard cylinders. The reinforced housing further enhances this resistance, creating a comprehensive defense against physical attacks.
The cylinder utilizes a restricted keyway system with billions of possible key combinations, resulting in an extremely low ≤0.0004% mutual opening rate. This high level of key uniqueness ensures that unauthorized key duplication is virtually impossible without proper authorization. Each cylinder can be equipped with optional key registration technology for enhanced key management in commercial settings.
The High-Security Cylinder is ideally suited for applications where protection against sophisticated attacks is essential. It serves as an critical upgrade for residential entry doors in high-risk areas, providing homeowners with enhanced protection for their families and valuables. In commercial settings, it excels in securing office buildings, financial institutions, retail establishments, and data centers where sensitive assets require maximum protection. The cylinder is also highly recommended for institutional facilities including schools, healthcare centers, and government buildings where security protocols demand the highest level of protection. Its compatibility with most standard lock bodies makes it a versatile solution for both new installations and security upgrades.
Our High-Security Cylinder meets and exceeds several international standards including EN 1303:2015 and incorporates features that satisfy the rigorous requirements of super B-grade classification. It has undergone extensive testing for resistance to picking, drilling, and forced entry to ensure reliable performance under attack conditions.
Yes, the High-Security Cylinder is designed to fit most standard lock bodies with common backset measurements. It is compatible with both euro-profile and standard mortise lock preparations. We recommend checking your lock body specifications or consulting with a professional locksmith to confirm compatibility before purchase.
Key duplication is strictly controlled through our authorized dealer network. Each cylinder system includes a unique authorization card that must be presented for additional keys to be cut. This ensures complete control over who can obtain duplicate keys, enhancing overall security management.
Routine maintenance is minimal but important for optimal performance. We recommend applying a specialized lock cylinder lubricant annually to ensure smooth operation. Avoid using oil-based lubricants as they can attract dust and debris. Additionally, inspect the cylinder and keyway quarterly for signs of tampering or damage.
This high-security cylinder provides exponentially greater protection than standard cylinders. While standard A-grade cylinders offer only 1 minute of anti-technical opening protection and B-grade cylinders provide 5 minutes, our super B-grade cylinder offers ≥270 minutes of protection against technical attacks, representing a significant security upgrade.