Key blank manufactures like Ilco and Klassen, for example, sell key blanks with the words “Do Not Duplicate” stamped on the bow (i.e head) of the key. These keys are usually only used by people that work in large institutions, banks, and government departments. The keys that operate these locks can only be cut by the locksmiths that install them, and only in those cases when the appropriate authorization credential is presented by the key holder. Locks with reserved keyways, in addition to offering pick, bump, and drill resistance, offer the highest form of key control. Manufactures of high security keys, like the ones mentioned above, also offer locks with what are called reserved keyways. If your key operates a lock with one of these keyways, and you need more keys cut, you are best to contact the locksmith that installed it. Medeco‘s 00 keyway, CX5‘s ZOL keyway, and Schlage‘s Everest C123 keyway are all popular open keyways found in the field today. High Security Key With An Open Keywayīusiness managers and property owners that want pick, bump, and drill resistant locks, in addition to key control, sometimes buy high security locks that come with what are known as open keyways. If you have an LSA, MX10, or HS key, you will have to locate a locksmith that is registered to sell the blanks for your restricted key. These key blanks are only sold to locksmiths and security professionals registered with authorized dealers of security products and access control solutions like, for instance, the International Distribution Network. There are at least three such keys on the market today: LSA by LSDA, MX10 by GMS, and HS by Hardware Agencies. In order to help control unauthorized key duplication property owners and business managers sometimes use what are called locksmith-only or restricted keys. So if your key operates an I/C cylinder, your best bet is to track down one of these locksmiths. Distinguishing between these profiles is challenging and can best be done by a locksmith who specializes in installing and servicing I/C cylinders. Best keys, for example, come in more than two dozen different profiles. The keys for these cylinders are sometimes difficult to get copied because they come in multiple profiles (or sections). Best, Falcon, and Arrow, among others, all manufacture I/C cylinders for the North American market. In order to facilitate rapid lock rekeying some store and factory owners buy Interchangeable-Core cylinders. In this blog post I will discuss what each of these types of keys are and where you can go to get them copied. If you are having trouble getting your key copied at your preferred superstore or local hardware store it is probably because you have an I/C key, a locksmith-only key, a high security key, a DND key, an old key, or a key with an unusual bow.
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