Yale five lever mortice deadlock is a high security lock that is ideal for external wooden doors and the single dead bolt is locked from either side of the door using the key.
It is easy to identify if you have a five lever insurance approved mortice lock by checking the face plate where the BS kitemark will be clearly visible.
Premium Lock Specification for Wooden Doors
The five lever deadlock features a hardened steel lock case with anti-drill plates to protect critical components. A strong 20 mm anti-saw dead bolt with hardened steel rollers provides resistance from attack by intruders with a hack saw.
For additional protection the boxed steel strike plate that is rebated into the door frame provides extra resistance against forced attack.
The reinforced lock case has an internal anti-pick mechanism to prevent lock picking.
Yale Quality Keys
Includes a set of two Yale keys and additional replacements can be ordered from a locksmith or hardware store.
Installation Guide
The Yale five lever motice deadlock is available in a choice of two decorative finishes to match your door and includes all the required screws, fittings and an easy to follow instruction sheet with installation templates.
A mortice lock with a 76 mm (3 Inch) case is suitable for any external wooden door and has a 45 mm backset (distance from edge of door to centre of key hole is suitable for any wooden external door).
There is no need to remove the lock from the door to measure what size you need. The backset size can be identified by measuring from the edge of the door to the centre of the key hole.
If you are replacing an existing unit you should be able to use the holes that are already on the door but might need to remove extra material from the door to fit the reinforced components of a BS 3621 mortice lock. Check your required size before ordering by using the simple guide.
A deadlock is commonly used on a front door in conjunction with a nightlatch for additional security.
Yale B-M552-PB-78 5 Lever Mortice Deadlock, 3 Inch/76mm, Brass Finish, Boxed, suitable for external doors
CAD $103.99
- Five lever deadlock ideal for exterior wooden doors
- Lock case depth 76 mm with hardened steel anti-drill plates and 20 mm anti-saw dead bolt for extra protection against attack
- 20 mm anti-saw dead bolt locked and unlocked from either side by key
- Boxed steel strike plate to insert into the door frame for high security reinforcements
- Supplied with two standard Yale keys, additional replacement keys can be ordered from a locksmith
In stock
Additional information
| Weight | 0.66 kg |
|---|---|
| brand | Yale |
| dimensions | 2.6 x 8 x 13.4 cm; 640 Grams |