The Chubb 3K74 or Chubb 3K74e can be purchased through our Master Locksmiths" WEB SHOP"

The 3K74 or Chubb 3K74e are high security sash locks which can be purchased through our "WEB SHOP". The 3K74e has replaced the original 3K74, and has the new Insurance approved kite mark BS3621:2004.

It has a longer bolt than the 3K74.

The Chubb 3K74 can be passed with a number of Chubb Locks such as the 3G114. which can be used for the front door, whilst the 3K74e can be fitted to exterior back doors.

It comes in a silver finish with either brass or chrome forend finish.

Manufactured to the same high security specification as 3G114e, this is a sashlock which can be used both for commercial and domestic use and is insurance approved

The Chubb Roller latch bolt, means the lock is suitable for fitting to doors both left and right hand hung, without modification.

The 3K74e conforms to BS3621:2004.

It can be locked or unlocked by key from either side. Roller latch bolt is withdrawn by lever handle from either side.

It comes with 3 keys and strike plate plus all fixing screws.

ALL LOCKS SHOWN ON THE MASTER LOCKSMITHS "WEB SHOP" INCLUDE VAT PLUS FREE DELIVERY IS INCLUDED, ANYWHERE IN THE U.K. WHEN PURCHASING MORE THAN £150.00.

We do not charge extra for keying these locks alike.


The 3K74 has a smaller deadbolt than the 3K74e and is really used for a straight replacement lock.

The Chubb 3K74 5 Lever British Standard Sash lock is locked or unlocked by key from either side.

The roller latch bolt withdrawn by lever handle from either side.

The roller latch bolt means the lock is suitable for fitting on doors both left and right hand hung, without modification.

The handing is reversible.

The Chubb 3K74 5 Lever British Standard Sash lock is available keyed alike and comes with a total of 2 keys supplied, plus all fixing screws and strike plate.

It comes in a silver finish with either brass or chrome forend finish.

It works on a 5 lever mechanism and has a minimum of 1000 differs

If you would like these locks to pass either with each other or with any other lock in this range, or would like the price on any lock not shown through our "WEB SHOP", please fill in the form below and we will return with a price as soon as possible.

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If you live in the North London, North West London, The Home Counties, or areas close to these and would like these or any other locks fitted by the parent Company of Master Locksmiths....North London Locksmiths Ltd. Please click on the GET A QUOTE link below, to go to the estimate page of North London Locksmiths Ltd.

Both Master Locksmiths and North London Locksmiths Ltd.:-

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