Sentry 3A2 - 3T2 Series Key

Sale price£3.95

Key Code Ranges: 3A2 - 3K2, 3N2 - 3T2 (missing codes)


Sentry Safe Series Keys

Key Code Range: 3A2-3K2 (missing codes)

Replacement key cut for Sentry 1100 & 1170 fire chest boxes.

You can find your replacement key number on an original key or the lock face. 

These keys are used for:

Commonly used as a Safe Key and more... 

Manufactures include:

Manufacturers include Sentry

Key Code Range:

3A2 3B2 3C2 3D2 3E2 3F2 3G2 3H2 3I2 3J2 3K2 3N2 3O2 3P2 3Q2 3R2 3S2 3T2 

Sentry Safe Series Keys

  • Not sure which key you need?
  • Looking to purchase a large number of keys at a discounted price?
  • Have a general enquiry regarding a key or order?

Please get in contact with us at

Would you like to know a fun fact?

At Coded Keys, we are a part of Warrington Lock & Safe, who are a part of the Master Locksmith Association (MLA).

This means we are,

  • Vetted 
  • Inspected 
  • Qualified 

Did you know?

At Coded Keys, our main aim is to get your order to you as quick as possible. This is why we aim to dispatch all orders placed before 3pm, same day. In addition to this, we also focus on making sure every order is of high quality before dispatched. 

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