Yale Locks PM552 5 Lever Mortice Deadlock 80mm 3in Polished Brass

The Yale PM552 5 Lever Mortice Deadlock is designed to deliver a high level of security for external timber doors. With a robust mechanism and durable construction, it ensures reliable protection for residential properties.

This deadlock features a 14mm anti-saw deadbolt and offers key operation from both sides, making it suitable for front door installations. For enhanced security, it is recommended to be used in conjunction with a Yale BS nightlatch.

Finished in polished brass, this lock combines strength with a classic appearance, while its 5 lever mechanism delivers superior resistance against forced entry.

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Key Features:

• High-security 5 lever mortice deadlock for external timber doors
• Operated by key from both sides for secure locking and unlocking
• 14mm anti-saw deadbolt for additional protection against attacks
• Recommended for use with a Yale BS nightlatch on front doors
• Polished brass finish for a premium and traditional look

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Specifications:

• Finish: Polished Brass
• Case Size: 80mm x 70mm (3 in)
• Backset: 57mm (This is the measurement from the edge of the door to the centre of the keyhole)
• Lever Rating: 5 lever mechanism for enhanced security
• Deadbolt: 14mm anti-saw deadbolt

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References:

• Suitable for use on external timber doors
• Deadbolt operated by key from either side
• Recommended for use with a Yale BS nightlatch

A deadlock has a single deadbolt which is locked or unlocked and locked by means of a key from either side, whereas, a sashlock has both a deadbolt and a latch which is operated from either side by a lever handles. The security level of mortice deadlocks or sashlocks ranges from 2-5 levers. The higher the number of levers the more secure the lock is.