The Yale PM444 series security door bolts are designed for enhanced door security with a concealed (mortice fixed) installation. They are operated by a key and can be installed inside the door, throwing into the door frame for added protection. Typically, two bolts are recommended per door for optimal security. An additional key can be purchased separately to ensure spare access.

Technical specifications

Material: Brass

Finish: Brass, Chrome, or White (depending on the model)

Type: Mortice fixing security bolt

Operation: Key-operated

Recommended number of bolts per door: 2

Compatibility and accessories

Compatible with standard doors requiring concealed security bolts

Available with additional keys for extra convenience and security

Installation

Mortice fixing into the door with a bolt that extends into the door frame

Requires drilling and mortice work for installation

Typically, two bolts are installed for effective security

Usage

Operate the bolt using the supplied key to lock or unlock the door

The bolt remains concealed within the door for a clean appearance and added security

Use an additional key for backup or spare access

Other information

Yale Locks PM444KB Key for Door Security Bolt YALPM444KB

Features

Brand
YALE
Length
15.9 cm
Width
9.1 cm
Height
1.1 cm
Material
Brass

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We proudly say that Yale is “the world’s favourite lock” All over the world, people are actively securing all they care about; their home, their family, their personal belongings or their business with the name they trust the most, Yale. Yale is the brand behind locks of every design and function in over 125 countries. As one of the oldest international brands, today’s Yale is among the best-known and most respected names in the lock industry, with millions of Yale locks in use worldwide.

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Yale Locks Pm444Kb Key For Door Security Bolt

Product information

Description

General description