The SFIC (small format interchangeable core) has been round because the mid 1960’s. Finest and Flacon safety firms began competing with one another promoting these. Now greater than 20 producers make SFIC cores and compete with one another. They go from what some name commodity all the best way as much as excessive safety with restricted keyways.

On the coronary heart is the small format interchangeable core. That is what has made these locks so profitable. All cores should be manufactured to a sure measurement to suit into customary locksets, deadbolt and padlock physique. Most producers compete by designing new keyways, patented lock cores and {hardware}.

You may take a small format interchangeable core from one producer and it ought to match into the lock {hardware}, padlock physique and deadbolt lock of all the opposite producers.This is the reason it is rather simple to create a whole locking system both by one producer or a number of, however utilizing the lock core from one.

Listed below are some examples of a whole SFIC locking system:


  • The flexibility to create very giant grasp and grand grasp methods
  • Can key the padlock on the gate and the worker entry door to function with the identical key
  • SFIC lock core will go into mortise locks, Oplegsloten, lever locks, deadbolt locks and padlocks very simple to take away and change the lock core
  • Rekeying could be accomplished virtually immediately


One of many largest advantages of the small format interchangeable core system is the power to rekey or change the lock virtually immediately. Every lock system can have a “change key”. This key will take away the core and would be the identical key used to put in a brand new one. The change key itself is not going to open the lock.The profit is that if there’s a safety breach or if somebody loses a key or steals a key; the affected door could be rekeyed in a short time.

One other profit is the power of producers to make excessive safety lock cores to the small format interchangeable core specs. This supplies a really safe locking system utilized in authorities, army or different excessive safety installations. Digital SFIC locks are additionally being made by no less than 2 main producers. This may deliver all of the comfort, safety and audit capacity that digital locks supply.

It’s simple to see why small format interchangeable core affords a whole locking system that has the power to continue to grow.

George Uliano is a safety skilled with years of legislation enforcement and safety expertise. He earned a Bachelors Diploma in Prison Justice and Enterprise graduating with honors. George holds three U.S. patents on completely different locking ideas. This mix provides George and His Firm Locking Methods Worldwide Inc the distinctive capacity to supply its clients with the proper safety at an inexpensive value.

By author

Leave a Reply

Your email address will not be published. Required fields are marked *