KOTARBAU Mortice Lock - 72/40 mm - Silver
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Product Information
Full details
The KOTARBAU mortice lock is a versatile security solution designed for homeowners and contractors seeking a durable, universal locking mechanism for interior, entrance, garage, or garden gate doors. Its primary benefit is its robust, galvanised steel construction which offers long-term resistance to corrosion and unauthorized entry. While it provides excellent reliability and ease of installation, users should note that it requires specific door measurements of a 40 mm backset and 72 mm pitch to ensure a proper fit.
All features
| Colour | Silver |
|---|---|
| Model Part Number | 5907465904728 |
| Brand | KOTARBAU |
Extended Product Information
FAQs
Does this lock come with a cylinder?
No, the KOTARBAU mortice lock is compatible with standard profile cylinders, but they must be purchased separately.
Can this be used on an outward opening door?
Yes, because the lock is reversible, it can be adapted to fit various door orientations, including outward opening configurations.
Is the finish weather-resistant?
The lock features a galvanised finish that offers good resistance to corrosion, making it suitable for garden gates and garages.
What is the backset dimension?
This specific model has a backset of 40 mm.
Does it include the strike plate?
The product includes the main mortice lock and mounting screws. Please check your existing strike plate or frame setup to ensure compatibility.
Troubleshooting
Door handle feels loose or floppy
Check that the 8x8 mm spindle is correctly centered and the mounting screws on the faceplate are fully tightened.
Key is difficult to turn
Verify the profile cylinder is properly aligned and not binding; check for debris in the keyway and apply a small amount of dry lubricant.
Latch does not retract fully
Ensure the mortice pocket in the door is deep enough and free of wood shavings or debris that might obstruct the mechanism.
Pros and Cons
Pros
- Reversible design fits any door orientation
- Galvanised finish prevents rust and ensures longevity
- Easy to install for both professionals and DIY enthusiasts
- Versatile use across multiple door types including garden and garage gates
Cons
- Specific 72/40 mm dimensions must match existing door cutouts
- Profile cylinder is not included in the package
- Not suitable for doors requiring specialized high-security deadbolt mechanisms
Setup, Compatibility & Care
Installation is straightforward as the lock is designed for standard mortice slots. Ensure your door has a 40 mm backset and 72 mm pitch before purchase, as these are critical for the latch and handle holes to align perfectly. Use the provided mounting screws to secure the faceplate firmly. For ongoing care, it is recommended to apply a light silicone-based lubricant to the latch bolt and internal moving parts annually to maintain smooth operation, especially if the lock is installed on an external gate exposed to harsh weather conditions.