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Power Tools Direct£7.38Visit shop Timco 675943 3 Lever Deadlock - Satin Nickel 78Mm Box 1
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The TIMCO 3 Lever Mortice Deadlock is designed for homeowners and contractors seeking a reliable, medium-security locking solution for internal and light external timber doors. Offering both durability and peace of mind through its fire-rated certification, it is an excellent choice for bedroom or cupboard security. While it is perfect for residential applications, it is important to note that it is not recommended for high-security exterior entrance points, where a 5-lever deadlock is typically required.
| Colour | Silver |
|---|---|
| Model Part Number | 675943 |
| Brand | TIMCO |
This is a 3-lever lock intended for internal or light external use. It is generally not recommended for main entrance doors requiring high security.
Yes, it is Certifire approved for use on 30 and 60-minute fire-rated timber doors.
Yes, the product includes the strike plate and all necessary fixing screws for installation.
No, the mechanism is reversible, making it compatible with both left and right-handed doors.
The kit is supplied with two keys.
Ensure the lock is not being pinched by the mortice housing; adjust the mortice depth slightly if the case is under pressure.
Check that the door is hung square; you may need to adjust the position of the strike plate or the depth of the recess on the door frame.
To install this deadlock, you will need a drill, a mortice chisel, and a screwdriver. Begin by marking the center line of the door edge and routing out the mortice to accommodate the 78mm case depth. Once the lock is seated, mark the strike plate position on the door frame and chisel out the recess to ensure a flush finish. The lock is maintenance-friendly; simply ensure the keyway is free of debris. If the mechanism becomes stiff over time, applying a dry PTFE-based lubricant is recommended. Avoid using heavy grease, as it can attract dust and impede the lever movement.
