Looking for a smarter way to control access to your property? The Carbine Sigma X restricted key system is the next generation of key security—engineered for homes, businesses, and multi-site operations needing high-security key control and peace of mind.
At Lancaster Locksmiths & Security, we supply and install Carbine Sigma X to help clients eliminate unauthorised key duplication and take full control of their key system. With advanced features, extensive compatibility, and patent protection until 2035, it’s one of the most future-proof systems available in Australia.
Key Features
🔒 Restricted Key Duplication – Only authorised signatories can request copies. No more worrying about staff, tenants, or trades duplicating keys without your knowledge.
🛠️ Patent Protected Until 2035 – Legal protection ensures your key profile cannot be copied without approval, giving you long-term peace of mind.
🗝️ Massive Keying Capacity – Supports over 1,000 change profiles, making it ideal for growing businesses or large-scale properties with complex access needs.
💡 Key Identification Made Easy – Durable nickel silver keys with colour-coded inserts help organise and manage access across your team.
⚙️ High-Quality Cylinders – Built tough for Australian conditions, with a wide range of cylinder formats to suit domestic and commercial locks.
Why Choose Sigma X?
✔️ Greater access control and accountability.
✔️ Prevents the cost and risk of unauthorised duplication.
✔️ Future scalability with no need to replace existing locks.
✔️ A trusted solution built in partnership with Australian locksmithing experts.
✔️ Ideal for homes, offices, commercial sites, schools, and body corporates.
Whether you need a new restricted master key system or want to upgrade an outdated setup, Sigma X delivers smart, secure results. We’ll help design, install, and maintain your system with professional care and attention to detail.
Book a Master Keying Consultation
To get the most out of your restricted system, it's important to have a well-designed key hierarchy.
Contact us today via email at info@lls247.com.au or call 0401 008 871 to organise a Master Keying Consultation. We'll work with you to map out your access structure, determine user levels, and implement a clear key management plan tailored to your site.