IronmongeryDirect Catalogue 130

CHOOSING CYLINDERS

LOCKS & SECURITY

LOCK SNAPPING - THE NEW THREAT

ANTI-SNAP CYLINDERS Lock snapping has been widely covered in the press and has caused huge demand for new high-security cylinders. Despite the name Anti-Snap, these locks are actually designed to snap. Basic cylinders snap in the middle when attacked, breaching the locking mechanism and allowing easy access for an intruder. These specially designed cylinders have a built-in weak point that allows the lock to snap under attack at a specific point, but leaves the crucial locking mechanism fully intact - preventing intruder access and enabling the key to still be used to gain access. These are highly recommended for public buildings, offices and schools where intruder access is a real risk.

Anti-Snap Cylinder

Snapping point

Basic Cylinder

Snapping point

KEY CONTROL SYSTEMS

KEYED ALIKE

Standard Differ Key

This refers to a number of locks, each operated by the same key.

Lock 1

Lock 2

Lock 3

MASTER KEYED

Master Key

This is the simplest form of master keying. Each individual lock is operated by its own unique key, and a control (or master) key operates all the locks in the suite. Ideal for large office or shop premises where a number of key holders are needed.

Lock 1

Lock 2

Lock 3

Grand Master Key

GRAND MASTER KEYED

This is a control key which operates a particular number of locks which are grouped into 2 or more suites (as pictured). The individual keys which will operate the individual locks are known as change/servant keys and will only operate their particular lock.

Sub-Master key B

Sub-Master key B

Lock 1

Lock 2

Lock 3

Lock 4

Lock 5

Lock 6

IMPORTANT ORDERING INFORMATION Standard Differ: suffix the code SD ie. 658374-SD Keyed Alike: suffix the code KA ie. 387955-KA Master Keyed: suffix the order code MK ie. 913761-MK

Finish Abbreviations: PB = Polished Brass, PC = Polished Chrome, SC = Satin Chrome Please order master keys separately for master key suites

595 595

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