3 Lever Mortice Deadlock - TIMCO - Silver

The TIMCO 3 Lever Mortice Deadlock is a medium-security locking solution designed for internal and...

Best current price£7.38from Power Tools Direct

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3 offers from £7.38 - £11.49

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Power Tools DirectTimco 675943 3 Lever Deadlock - Satin Nickel 78Mm Box 1
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£7.38
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DIY Refurb UKTimco Light 3 Lever Deadlock – Satin Nickel (78Mm Case / 58Mm Backset)
Free delivery in 1–3 days
£8.29
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B&QB&Q - 3 Lever Deadlock Satin Nickel78mm
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£11.49
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Product Information

Full details

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.

All features

ColourSilver
Model Part Number675943
BrandTIMCO

Extended Product Information

FAQs

Can this lock be used on an external front door?

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.

Is this lock fire-rated?

Yes, it is Certifire approved for use on 30 and 60-minute fire-rated timber doors.

Does it come with fixings?

Yes, the product includes the strike plate and all necessary fixing screws for installation.

Is the lock handed?

No, the mechanism is reversible, making it compatible with both left and right-handed doors.

How many keys are provided?

The kit is supplied with two keys.

Troubleshooting

The key is difficult to turn after installation.

Ensure the lock is not being pinched by the mortice housing; adjust the mortice depth slightly if the case is under pressure.

The deadbolt does not line up with the strike plate.

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.

Pros and Cons

Pros

  • Certified for use on fire-rated doors
  • Reversible latch mechanism for versatile installation
  • Satin nickel finish offers a modern look
  • Easy to install for standard door thicknesses

Cons

  • Not suitable for high-security external front doors
  • Requires professional carpentry tools for morticing
  • Only includes two keys in the kit

Setup, Compatibility & Care

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.

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