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BS 3621:2017 Lock assemblies operated by key from both the inside and outside of the door
Gives performance requirements and test methods for thief resistant mechanically operated single-point lock assemblies, covering locks, cylinders, lock assembly vulnerability and assessment, differs and master keyed locks.
Supersedes BS 3621:2007. Came into effect 30 June 2017.
British Standards Institution
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
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