Back to Blog
Schlage grand master key system7/14/2023 ![]() ![]() A 6-pin A2 master key system will generate 4096 change keys and every key combination can be used. The A2 SFIC system is very popular since there are no maximum adjacent cut problems. To simplify reading the charts, in most cases except as indicated, the master key cuts are 111111, control key cuts are 333333 and change key cuts are 555555. Missing from this list are Assa, Medeco and Peaks which require individual articles because of their complexity. The following charts show some of the mathematic rules for pinning popular SFIC and LFIC cylinders. In many cases a locksmith will be asked to rekey an interchangeable core cylinder he or she is not familiar with. Key blank heights from other lock manufacturers were too large to fit within the confines of the "Best" figure 8 core, so they designed a new breed of large format interchangeable core (LFIC) cylinders.Įach manufacturer who offers LFIC cylinders has their own cylinder design and their own cylinder pinning rules. This required a new series of key blade shapes. The small format interchangeable core (SFIC) system invented by Frank Best proved to be the most practical solution for fitting a removable cylinder into a 1 1/4" diameter hole.īecause of cylinder diameter restrictions, the key blank height also had to be reduced. There were other cylinder removal inventions but most were limited to mortise cylinders and involved removing the whole round cylinder while leaving only a thin shell in the door. Primus restricted product order authorizations are managed online at Best is usually recognized as the man who put interchangeable core on the map.Non-restricted Everest 29 S keyways do not require the ordering formalities needed for restricted products.Cylinder formats available to fit an extensive list of competitor’s locks, see Conventional Cylinders or FSIC Full Size Interchangeable Cores for details. ![]() Available formats: 6-pin Conventional and FSIC (S and T families) 7-pin Conventional and FSIC as SL cylinders, and SFIC (R family).Everest 29 high-security Primus UL 437 listed cylinders feature hardened steel drill pins and are tested and certified to be pick- and drill-resistant.Everest 29 R and T keys are tightly controlled as restricted keyway families and can be upgraded to Primus XP to gain a unique, factory-milled side bitting design that is geographically defined and can be made exclusive to the user at a local or even national level.Non-restricted Everest 29 S keyway family can be upgraded and restricted when purchased as patented Primus XP cylinders and keys.Cylinders feature a unique check pin interaction which improves the physical security of the lock.The undercut design provides patent protection for Everest 29 keys until 2029. ![]() They are also available as open, Everest 29 S keyways to give you the level of security you need for every application. Secondly, patent protection deters duplication of the design-an offense subject to federal law. First, the key blanks are tightly controlled by Schlage to ensure access for only authorized dealers and end users. Schlage's commitment to helping assure key system integrity over time means that even older Everest key systems can be easily updated to improve security or regain key control and patent protection using compatible Everest 29 cylinders and keys.Įverest 29 restricted key systems protect against unauthorized duplication two ways. They offer upgraded security as Primus XP cylinders, and high-security as Primus UL 437 cylinders. These keyway families offer the greatest levels of versatility as part of a layered security plan utilizing standard Everest 29 cylinders. The essential building blocks of a well protected Schlage key system begin with patented Everest 29 keyways. ![]()
0 Comments
Read More
Leave a Reply. |