BS3621 is a lock standard by British Standards Institute (BSI) for thief-resistant locks, BS-3621 locks are found on some front and back doors in the home and it’s a good way to check that your security is up to standard. This is why some insurance companies require door locks are fitted to BS 3621 British Standard. For more information see the Master Locksmiths Association website.
We supply BS3621 locks from Union, Zoo, Asec, ERA and other manufacturers.
Kite Marked - BS3621
Secured by Design Approved
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