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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 42 series key is manufactured for use in safe locks from Lowe & Fletcher. This means the key is used in secure applications such as safes and secure metal cabinets.


Technical Information

 Description  Entry  Combinations  Code Numbers
 7-levers  Single Entry  4,800  420201 - 421600 & 425001 - 428400


Delivery Information

The 42 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 20 or more replacement 42 series keys?

Contact us today for a quote and lead-time.


Buy your 42 series replacement keys direct from the 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

42 Series Key Shape

42 Series