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Architectural Mailboxes Oasis TriBolt Locking Metal Extra Large Mailbox Black

Name: Architectural Mailboxes Oasis TriBolt Locking Metal Extra Large Mailbox Black
Brand: Architectural Mailboxes
SKU: 5005332981
Price: 139 USD
Availability: InStock
Rating: 4.6 (292 reviews)

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4.6

292

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Fri, Sep 4

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When it comes to securing your deliveries, the Oasis TriBolt doesn’t mess around. This extra large mailbox is part of our USPS approved locking mailboxes lineup and comes packed with brilliant features to outsmart tampering and keep mail safe. Its standout feature- A 3-point locking system that secures the door in multiple spots for serious protection. Paired with a pry-resistant lock bracket and internal security baffle, this box is built to block break-ins. Crafted from powder-coated, heavy-gauge galvanized steel with stainless steel hinges, this metal mailbox is made for long-term durability. Our WeatherTite™ internal weather stripping around all doors keeps moisture out, so your mail stays dry. Looking for a post mounted mailbox that’s big on space, tough on security, and easy on the eyes - the Oasis TriBolt is perfect for residential mailboxes, mailboxes for outside, and anyone who takes front porch protection seriously.

Triple Lock Power: Reinforced pry-resistant, three-point locking mechanism makes this locking mail box for outside a fortress for your mail.
Built Like a Tank: This heavy duty mailbox is made of galvanized steel, & built to last-perfect for anyone needing durable metal mail boxes for outside.
Dry Mail, Every Time: Weather-Tite stripping around the door keeps rain, snow, & dirt out-ideal for long-lasting residential mailboxes for outside.
Built for Big Deliveries: This extra large mailbox offers oversized space for multiple large packages, plus all your other curbside mailbox deliveries.
USPS Approved Peace of Mind: Built tough this USPS Approved locking mailbox is one of the most reliable mailbox with lock for outside (includes 2 keys).
Simple Setup: Just attach the flag-assembly is quick & easy - Reminder: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box
Post "H" Compatible: Made to mount effortlessly on all Architectural Mailboxes posts marked with letter H.
Secure Magnetic Closure: Keeps mail box door tightly shut to protect your curbside mailbox deliveries from wind and rain.
Modern Mailbox Style: Sleek, minimalist design - this black mailbox complements any home curbside.

General
Color/Finish Family	Black	Material	Metal
Finish Family	Steel-painted	Style	Contemporary
Manufacturer Color/Finish	Black	Package Contents	Mailbox, flag assembly, and two keys
Series Name	Oasis TriBolt	Mounting Position or Type	Post
Type	Mailbox	Base Required	Yes

Dimensions
Depth (Inches)	18.1	Product Weight (lbs.)	22.44
Height (Inches)	15.2	Size	Extra Large (> 1751-cu in)
Mailbox Capacity (Cu. Inches)	2250	Width (Inches)	12

Features
Address Numbers Included	No	Lockable	Yes
Assembly Required	No	Mounting Hardware Included	No
Construction	Single-wall	Newspaper Slot Included	No
Front and Rear Doors	No	Post Included	No
Lock Included	Yes

Certifications
CA Residents: Prop 65 Warning(s)	No

Warranty
Warranty	Limited lifetime

Miscellaneous
UNSPSC	24112400

Check out the Best Selling Mailboxes on Lowes.com

Review

4.6 out of 5

292 Reviews

92% Recommend this product

Ratings may include incentivized customer reviews.

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+ 29

What Customers Are Saying

The product features a sturdy, galvanized steel construction that is durable and weather-resistant. It offers a spacious interior capable of accommodating small packages and oversized mail, along with a secure 3-point locking system to protect contents. The installation is reported to be straightforward, with pre-drilled holes for mounting. While a few customers experienced minor issues, the majority are very satisfied with the product's quality, functionality, and security.

Customer review summary generated by AI, including incentivized reviews.

292 Customer Reviews

Sort By

Lock Failure

Would Not Recommend

Had this mailbox for less than two years before the lock failed completely, forcing me to drill it out. The replacement lock from Easy Keys will be a three-month lead time and cost $30. You’d expect a lock to last longer than that. Unfortunately, it’s not covered under warranty. Will replace with a generic lock and purchase a different brand mailbox next time.

jbm9July 20, 2026
From Oasis TriBolt Locking Metal Extra Large Mailbox Black

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Love it for small to medium sized packages

Would Recommend

Works great, you will like it too for security.

JafoJune 30, 2026
From Oasis TriBolt Locking Metal Extra Large Mailbox Black Verified Purchaser

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Good price and easy to use

Would Recommend

Easy to use

GardenLadyJune 22, 2026
From Oasis TriBolt Locking Metal Extra Large Mailbox Black Verified Purchaser

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Security mailbox.

Very nice heavy duty.

OIF WWJune 15, 2026
From Oasis TriBolt Locking Metal Extra Large Mailbox Black Verified Purchaser

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Oasis TriBolt Locking Metal Extra Large Mailbox

Wow! I have not put the mailbox up yet. It is really nice and most importantly it has a key.

KarsisJune 7, 2026
From Oasis TriBolt Locking Metal Extra Large Mailbox Black Verified Purchaser

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Love Our Mailbox

Would Recommend

So far, we're glad that we purchased the Oasis TriBolt Mailbox. We haven't had any rain yet but will let you know how well it's sealed or not.

LBPGMay 19, 2026
From Oasis TriBolt Locking Metal Extra Large Mailbox Black Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/532a14b4-62a0-5126-b92f-9274b94cf615

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Sturdy

Would Recommend

Sturdy

LNEGIRLMay 17, 2026
Verified Purchaser

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74 Questions

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