Fort Knox Large Standard Mailbox


The leader in heavy duty and high security, locking steel mailboxes!
Known as the bigger brute to the small standard mailbox. This mailbox is made for those that need the same protection with more mail storage.  Designed to safely hold two weeks of mail.  The Large Standard does not have outgoing mail. 

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Installations for our current service area when feasible can save on direct shipping costs to customer for in stock items with purchase of Box & Post. Ask about an Installation.

All Fort Knox mailboxes come with a high quality, pick-proof, 7-pin tumblar tubular lock. These locks have been used for over 8 years, in over 6,000 mailboxes with no problems.  There are other styles of locks offered.  One is a “Slam-Lock” for people who receive packages often.  There are high security Abloy and Medeco Locks which are a more secure lock for those who are worried about heavy tampering to their mailbox. These locks are made to take a beating!

Features of the Large Standard Mailbox

  • 96lbs (Mailbox only)
  • ¼” steel shell (as with all Fort Knox Mailboxes)
  • 3/16” reinforced steel doors
  • 2” Continuous welded steel hinge
  • All hand welded design (no spot welds or rivets)
  • 7 Tubular lock (upgradeable)
  • High performance powder coating inside and out
  • Average of 2 weeks of mail storage
  • Pre-drilled for Fort Knox’s steel post or racks (can be installed on a breakaway post)
  • Can be custom adjusted and upgraded


  • 12”H x 12”W x 23”L

Special powder coating colors are available upon request

Mailbox Posts Are Sold Separately, see below in the “You May Also Like” for the posts options available for the Fort Knox Large Standard mailbox.

Additional information

Color Options

Slate Gray, Black


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