Padlock master key system10/27/2023 Similarly, these institutions would like to restrict access based on an individual’s standing, and responsibility, within the establishment. Most large institutions do not want their employees to carry around large quantities of keys. Pin tumbler master locks use a master wafer/pin in between the key pin and the driver pin.Master key systems often use pin tumbler locks.Master key system is a system that allows two or more keys to open one lock.A shear line for a pin stack with a master wafer below or above the line. Once it is in place, the pin stack will have two shear lines. A master wafer is virtually a small hockey puck shaped pin. All that is needed for any standard pin tumbler to be converted for a master key system is to add a master wafer (aka master pin) between a driver and key pin. With that understanding, it will be easier to comprehend the addition of a master key system. It is an oversimplification, but if you would like to find out more about the specifics you can check out the house lockouts section of our website. Therefore, the key needs to have the right set of grooves to lift the key pins to the correct height. The driver pins will be a universal size. A quick review on how a basic pin tumbler lock will work: To open a lock a pin stack consisting of a driver pin and a key pin must be elevated so that the two rest on opposite sides of the shear line. Most master key systems work off of a basic pin tumbler lock. There could be grand master keys prefaced with great great great great, etc. Theoretically, this trend can continue until the locks become too complicated to function. Great Grand Master Key – The great grand master key will open all the grand master key systems under it, the master key systems under those, and the change keys under those. In the trade, a master key may be shortened to ‘GMK’. This key will open every master system under it, and the subsequent change keys under those systems. Grand Master Key – A grand master key is used to access multiple master key systems. In the trade, a master key may be shortened to ‘MK’. In some systems, this will be the highest ranking key. This is the necessary key to change a simple lock into a master keyed lock. Master Key – Without a master key, there is only one key for a lock. The lock that the change key opens will also open with the use of the master key, and any key above that rank. It will open one lock and only locks that are exactly the same. Keys in a Master SystemĬhange Key – This key is also referred to as a sub-master key. With the basic understanding, one should be able to extrapolate potential additions to the system’s security. After reading this piece, you should be able to understand any master key system, varying from the simplest version to the most complex. At the lowest level of comprehension it is addition and subtraction, and at the highest level of understanding (at least what is expressed here) it is exponents. Now before you stop reading (I may have lost some people already) it is nothing too difficult. How is one key, opening two doors, but another key that is opening one of those doors is not opening the other? Is it the key that is special? Is it the internal mechanics of the lock? Well, I must warn you that there is some math involved in these answers. The fascination, I believe, is due to the confusing nature of the device. Master keys are something that many people seem to be fascinated with.
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