Everest 29 keyways are restricted keyways with patent protection until 2029 and cannot be duplicated without authentication.

Everest 29 refers to the keyway families that incorporate a patent-protected undercut design and provides patent protection through 2029. Everest 29 systems deliver a higher level of security because it cannot be duplicated without authorization. The Everest 29 through-cut technology utilizes a unique process to create its patented undercut design while also allowing the ability to add Primus XP for the highest level of security. Multiple levels of security ensure the right solution throughout any facility or campus.

Everest 29 key blanks are backwards compatible to legacy Everest keyways. This allows Everest 29 keys to work with existing Everest systems, aiding the key system upgrade process. Schlage also has an online validation system for all restricted Everest 29 and Primus XP orders.