34BB1, ONL, NN, XX, TK20, TK200 & ZY Restricted key cutting
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This professional key cutting service is for Lock & Key branded restricted keys. These high-security keys are designed to prevent unauthorised duplication, ensuring your property remains secure.
How to Identify Your Key
To order a duplicate or replacement key, check the head of your existing key. It will have a unique code engraved on it starting with one of the following prefixes, followed by a series of numbers:
- 34BB1
- ONL
- NN
- XX
- TK20
- TK200
- ZY
Security & Authorisation Process
As these are restricted security keys, we require official authorisation before any keys can be cut. The registered system owner must email confirmation and approval to sales@lockandkey.co.uk. Please ensure this email is sent promptly, as we cannot process your order until verification has been completed.
Technical Specifications
- Compatible Key Prefixes: 34BB1, ONL, NN, XX, TK20, TK200, ZY
- Brand: Lock & Key
- Key Type: Restricted security key
Key Features
- Restricted Security: Prevents unauthorised key duplication for enhanced access control.
- Genuine Lock & Key Cutting: Professionally cut to code using precise, high-quality machinery.
- Strict Authorisation Protocol: Requires registered system owner approval via email to ensure maximum security.
- Easy Identification: Code is clearly engraved on the head of the key for simple ordering.
Keys made easy
Already know your code? Order now. Not sure? We'll decode it from a photo.
Use the quick order form under the price to order this product directly.
Upload a clear photo; we'll find the code so you can order matching keys.
Master locksmiths with BSI accreditation
MLA approved locksmiths, BSI certified key systems, and independently audited security standards.