Description
The Yale PM320 3 lever mortice sash locks offer a standard level of security and are suitable for use on internal timber doors. The deadbolt is locked or unlocked by key from either side.
These sashlocks also have a 13mm anti-saw deadbolt, and has been designed for use with door furniture.
A deadlock has a single deadbolt which is locked or unlocked and locked by means of a key from either side, whereas, a sash lock has both a deadbolt and a latch which is operated from either side by a lever handles.
The security level of mortice deadlocks or sash locks ranges from 2-5 levers. The higher the number of levers the more secure the lock is.
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