![]() This lets the person with the master key access any lock in the group, while someone with a change key can open only his or her own lock. This means that out of the ten depths of 0 through 9 only five of them would be available in a given chamber, either 1, 3, 5, 7, 9 if it is using the odd depths or 0, 2, 4, 6, 8 if it is using the even depths. In this lock design, the lowest pin is the same length in each lock in the group, but the master wafer varies in length. In a properly designed Schlage master key system you would use a two-step progression in any individual pinning chamber. In both cases, there is a gap at the shear line and the key is able to turn. The change key might raise the pins so that the shear line is just above the top of the master wafer, while the master key might raise the pins so the shear line is at the bottom of the master wafer. When three pins are combined in a shaft, there are two ways to position the pins so they open the lock. This third pin is called a master wafer or spacer. Simply add the proper tailpiece to use in cylindrical locks, add front and rear housings with the right cam for mortise use or. The cylinder is the foundation for any key-in-lever (KIL/KIK), rim or mortise application. ![]() In these locks, a few of the pin pairs are separated by a third pin. Schlage full-size conventional cylinders, including 7-pin SL cylinders, offer extreme versatility in a modular design. The change key will open only that specific lock, while the master key will open that lock and several others in a group. Some locks are designed to work with two different keys. The right combination of pins lines up perfectly with the notches in the key. ![]() The correct key will push each pin pair up just enough so that the point where the two pins come together lines up perfectly with the space where the cylinder and the housing come together - this point is called the shear line. The incorrect key will push the pins so that most of the top pins are still partly in the plug and partly in the housing. How to rekey the Schlage keypad lock with a master key Remove the interior portion of the keypad lock from the packaging. MK Express Master Keying The Easy Way: MK Express is so simple to use that with no master key software experience at all, youll be able to create large complex systems or a simple one master key system. If you want to create master key system for Schlage, then MK Express is the locksmith software for you. When you insert a key, the series of notches in the key push the pin pairs up to different levels. MK Express is Locksmithing Software that handles Schlage.
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