Fort Knox Large Standard Mailbox

Fort Knox Large Standard Mailbox

Regular price $298.00 Sale

Matching 5′ x 5″ x 5″ steel post for Large mailboxes
Make your post a sidewalk surface mount (or breakaway).

Note: This does not include the entire post, this piece will be added on to the post you purchase to make it breakaway or surface mount application.


No shipping costs applied on in stock Items.Put this savings towards your installation with purchase of Box & Post.

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!

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. 

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