Mail Chest Locking Mailbox (USPS Approved) – H4350

Fortress-Grade Mail Protection for Modern Times

Experience unparalleled mail security with the Mail Chest Locking Mailbox (USPS Approved) – H4350, where robust construction meets practical design. National Mailboxes has engineered this chest-style unit to provide maximum protection while maintaining the convenience that today’s mail delivery demands.

Built Like a Vault, Designed for Daily Use

Drawing inspiration from traditional treasure chests, these secure mail receptacles feature a generous interior capacity and fortified construction that sets new standards for residential and commercial mail protection.

Signature Benefits

• Fortress Construction: Heavy-duty aluminum body with reinforced seams and industrial-grade welding creates an impenetrable barrier against unauthorized access attempts.
• High-Volume Capacity: Expanded interior dimensions accommodate multiple days of mail delivery, including magazines and small packages, perfect for extended absences.
• All-Weather Performance: Strategic drainage system and weatherproof seals protect contents from rain, snow, and harsh environmental conditions.

Smart Access Design

The innovative top-loading design prevents fishing attempts while providing convenient access for both mail carriers and recipients. A carefully engineered mail slot ensures smooth delivery while maintaining security integrity.

Commercial-Grade Durability

Every component is selected for maximum longevity, from the marine-grade aluminum body to the industrial strength hinges and tamper-resistant mounting system.

Thoughtful Security Features

Advanced anti-theft features include a patented locking mechanism, concealed hinges, and reinforced access points that deter even the most determined tampering attempts.

Effortless Integration

Whether in residential neighborhoods or commercial districts, these units blend seamlessly with various architectural styles while providing institutional-grade mail protection for your property.

Unit Size: 14-3/8″W x 17-1/4″H x 23″D
Outgoing Mail Tray Opening: 11″W x 2-3/4″H
Weight: 30 lbs
Colors: Black, Bronze, Silver, and White

Product Features:

• Mail package drops are USPS Approved – master postal lock not required
• Lock and keys are included
• Ideal for homes, colleges, schools, apartments, condominiums, office buildings, corporate mail centers, military bases and many other applications
• Made entirely of aluminum
• Features a durable powder coated finish available in black, bronze, silver, and white
• Includes an outgoing mail tray and an adjustable red signal flag
• Front and rear access locking doors with 2 keys for each door (keyed alike)
• Mail is deposited through a non-locking access panel on the front and includes an outgoing mail tray
• Standard bolt mounted or in-ground mounted pedestal available for an additional charge

Available Options (sold separately):

• Designer Posts for mounting 1 – 4 mailboxes
• Spreaders for mounting multiple mailboxes on one standard pedestal
• Custom engraved placards
• Non-locking thumb latches
• Replacement locks
• Replacement red signal flag

Related Top Selling Locking Mailbox Products:

• Mail Package Drop Locking Mailbox (USPS Approved)
• Roadside Locking Mailbox (USPS Approved)
• Mail Boss High Security Locking Mailboxes (USPS Approved)

Other Mail Chest Locking Mailbox Products:

• Newspaper Holder for Mail Chest Mailboxes
• Two Wide Spreader Plate for Mail Chest Mailboxes
• Custom Engraved Self-Adhesive Placard

Downloads:

• More Product Information
• Installation Instructions
• Technical Drawing

Residential Mailboxes FAQs:

• Are There Any Regulations That Residential Mailboxes Must Follow?
• Are There Different Kinds of Residential Mailboxes?
• Can I Install My Own Residential Mailbox?
• Can Residential Mailboxes Be Customized?
• What Should I Do If My Mailbox Gets Damaged?
• What Type of Residential Mailbox Is the Best For Me?