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Key codes listing:

To see the full listing of all the codes in this key series click here to reveal.



The 40 series key is mainly used in lever locks manufactured by Lowe & Fletcher. Lever locks are commonly used in high security applications such as safes and metal cabinets and cupboards.


Technical Information

 Description  Entry  Combinations  Code Numbers
 7-levers  Single Entry  6,000  400001 - 406000


Delivery Information

The 40 series key is available on a 7-10 working day delivery for all orders placed before 2pm. Please see Delivery Information for further details.


Need more than 20, 40 series, replacement keys?

Contact us for a price and lead-time today!


Buy your 40 series replacement keys direct from the lever lock manufacturer

Established in 1889, Lowe & Fletcher design and manufacture quality locking systems and replacement keys for a broad range of customers.

Key prices bulk buy

Quantity Price per key
1 - 10 £6.51
11 - 20 £6.25

40 Series Key Shape

40 Series