YALE PM552 5 Lever Deadlock

The Yale PM552 5 Lever Mortice Deadlock is a robust and reliable security solution designed for wooden doors. Offering a high level of security, this deadlock is ideal for internal doors or can be used on external timber doors when paired with a maximum-security British Standard nightlatch.

Operated by key from either side, the PM552 features a strong rounded bolt design that provides excellent resistance against physical attack. It is supplied complete with a matching box keep, covered escutcheons for a clean and professional finish, and two keys. With a 64mm case depth and a 45mm backset, this lock is a versatile choice for both new installations and retrofitting existing doors.

Technical Specifications

• Case Depth: 64mm
• Backset: 45mm
• Case Height: 89mm
• Forend Dimensions: 133mm (L) x 25mm (W)
• Mechanism: 5 Lever
• Keying: Keyed to differ (500 differs)
• Keys Supplied: 2
• Finish: Polished Brass

Key Features

• High Security 5-Lever Mechanism: Provides enhanced security and resistance against picking.
• Versatile Application: Suitable for internal wooden doors, or external doors when used alongside a British Standard nightlatch.
• Complete Kit: Supplied with a matching box keep and covered escutcheons for a neat, professional installation.
• Rounded Bolt Design: Offers strong physical resistance and smooth operation.
• Key Operation: Conveniently locked and unlocked by key from either side of the door.