Mailbox Flag Kits

Prime-Line   Nickel Hardware Mailbox lock

Restore mailbox security with this replacement 5-pin mailbox lock designed for residential, cluster, and community mailbox applications. Featuring an ILCO 51046A (NA14) keyway and 90-degree counterclockwise rotation, this lock provides a dependable solution for replacing lost, damaged, or worn mailbox locks. The complete lock set includes a lock cylinder, five interchangeable cams, a spring steel retaining clip, and two matching keys, making it suitable for a variety of mailbox configurations. Constructed from durable diecast, brass, steel, and stamped steel components, the lock features corrosion-resistant zinc-plated finishes for long-lasting performance and reliable operation. A key-retaining feature prevents the key from being removed while the lock is unlocked, helping ensure the mailbox remains secured after use. Designed for easy installation with a few basic hand tools, this replacement lock offers a convenient DIY repair solution. Before purchasing, compare your existing lock dimensions, keyway, cam style, and rotation direction to ensure proper fit and operation.

Prime-Line   Nickel Hardware Mailbox lock

The Prime-Line MP4532 Diecast 5-Pin National Keyway Mailbox Lock and Key Set makes it easy to secure your mail. To unlock this mailbox lock, the key must rotate 90 degrees in a counter clockwise direction. The mailbox key set comes complete with a 5-pin mailbox lock, nine cams, and two keys. These multi-cam assortments eliminate the need for individual locks. The mailbox key lock set is constructed of diecast, brass, steel, and stamped steel materials. The cylinder face comes in a nickel-plated finish. The lock is easy to install with only a few simple tools. For further dimensional and specification information, please see the line drawing.

Prime-Line   Nickel Hardware Mailbox lock

This mailbox lock is constructed from die-cast. It features a nickel plated face, brass pins and a spring steel locking clip. These multi-cam assortments can eliminate stocking of individual locks.

Gatehouse   Zinc Hardware Mailbox lock

This mailbox lock comes with a brass finished face. It includes a 5 cam assortment for various applications. The key cannot be removed while in the unlocked position. Features a Hudson keyway, and the key blanks that fits this lock are ILCO 1003M. Mailbox locks like this one will not allow the user to remove the key until the mailbox has been closed and locked.

Postal Pro   Bronze Hardware Mailbox address plaque

Identify the address of your home or business in style with the new Universal Mount Address Plaque. Universal because this address plaque can be mounted to a wall/entryway, a mailbox or even installed on your lawn (kit includes two steel legs for optional lawn mount application). This plaque is constructed of cast aluminum and will withstand the harshest of elements. Note: this address plaque is designed to be used with Design-it 5 In. address numbers (sold separately). Simply type Design-it address numbers in the search bar in Lowe's website to order the numbers you need to complete the project. Numbers are also available for purchase at your local Lowes store.

Spira Mailbox   Matte black powder coat Hardware Mailbox mounting bracket

This rugged bracket is made from marine grade 316 stainless steel, with a matte black powder coat finish, for years of maintenance-free use. Its design works easily to mount the Spira PostBox (SPA-M005 or SPA-M006 series) to the Spira post. The mailbox hole mounting pattern is a standard 4" x 10" pattern, so most typical mailboxes will also work with this bracket. It can also be mounted to any post with a flat surface. Four (4) mailbox fasteners and (2 )post fasteners are included.

RetroFit   White Mailbox door

The RetroFit is an easy to use, easy to install, snap-in replacement mailbox door, for standard 6.25" metal US post office mailboxes. The RetroFit simply snaps in, and remains secure to fit in virtually all commercially available standard 6.25" mailboxes. The RetroFit is designed for steel and aluminum mailboxes and has not been tested for plastic mailboxes. Ideal for Gibraltar and Solar Group standard metal mailboxes.The RetroFit insert is ideal for broken monument and brick mailboxes where removal of the original mailbox is prohibitive. The RetroFit will also work on standard post mailboxes. The RetroFit is made of rust resistant Aluminum. The best way to measure your mailbox is the opening of the mailbox, width and height. Installation takes less than 5 minutes and no tools are required. With the RetroFit, there is no need for grinders and saws to remove the protruding mailbox, and requires no glues to hold in place. The RetroFit is a solid, permenant solution, that can easily be remove and replaced if damaged again.

Prime-Line   Nickel Hardware Mailbox lock

Restore mailbox security with this replacement 5-pin mailbox lock designed for use with American Device®, Auth-Florence®, Bommer®, Miami-Carey®, and other compatible residential, cluster, and community mailbox systems. This complete lock set includes an ILCO 1003M keyway lock cylinder, five interchangeable cams, two keys, a retaining hex nut, and a retaining clip, providing flexibility for a variety of mailbox applications. Constructed from durable diecast, brass, steel, and stamped steel components, the lock features corrosion-resistant zinc-plated steel parts and a nickel-plated cylinder face for long-lasting performance and a professional appearance. The lock operates with a 90-degree counterclockwise rotation and includes a key-retaining feature that prevents the key from being removed while unlocked, helping ensure the mailbox remains secured after use. Easy to install with basic hand tools, this replacement lock is an ideal DIY solution for replacing lost, damaged, or worn mailbox locks. Before purchasing, compare your existing lock dimensions, keyway, cam style, and rotation direction to ensure proper fit and operation.

Mail Boss   Black Hardware 2-way spreader bar

The 2 box spreader bar allows you to mount two (2) Mail Boss Locking Security Mailbox on one steel mounting post or an existing post. Made of 12-gauge galvanized steel, the spreader bar provides a sturdy multi-unit solution. Features a powder-coated finish.

Architectural Mailboxes   Black Hardware Mailbox mounting board

Make mailbox installation a total breeze with the Architectural Mailboxes Plastic Mailbox Mounting Board- the mailbox accessory that does the hard work for you. Compatible with all Architectural Mailboxes posts labeled with Match Code A, B, C, or D, this handy mailbox add-on ensures a perfect fit every time. Crafted from durable, rust-proof polypropylene and treated with UV protection, it’s built to handle years of sun, rain, and daily deliveries. Whether you’re using a 4x4 wood or plastic post, the included mounting hardware and easy-to-follow instructions make setup quick and simple. Durable, dependable, and delightfully easy, it’s the mailbox part that proves installation doesn’t have to be hard work.

Prime-Line   Nickel Hardware Mailbox lock

Replace worn, damaged, or missing mailbox locks with this multipurpose pin tumbler mailbox lock designed for use with American Device®, Florence®, Miami-Carey®, Bommer®, and Auth Electric® mailbox applications. Constructed from durable diecast metal with a nickel-plated face and brass pins, this lock provides reliable security and long-lasting performance for residential, cluster, and community mailboxes. A built-in security feature prevents the key from being removed while the lock is in the unlocked position, helping avoid forgotten keys while ensuring the mailbox is properly secured after use. The lock unlocks with a 90-degree counterclockwise rotation and includes a zinc-plated steel cam, retainer nut, spring steel locking clip, and two matching keys for a complete replacement solution. Easy to install with basic hand tools, this lock provides a cost-effective way to restore mailbox security without replacing the entire mailbox. Before purchasing, compare your existing lock dimensions, keyway, cam style, and rotation direction to ensure proper fit and operation.

SALSBURY INDUSTRIES   Green Mailbox support bracket

Salsbury spreader for mailboxes are made of heavy duty aluminum. Spreader are ideal for mounting multiple rural mailboxes to one post. The spreader are available in 4 widths.

Home Basics   Brown Mailbox mounting board

Keep track of your mail and never lose sight of your keys with this convenient rack. It features a woven basket to keep letter-sized mail and bills organized and away from cluttering the counter top. Or use it to keep your pens, pencils and other small office supplies neatly tucked away. With a row of 5 metal hooks, you can easily keep track of your house and car keys before you head out the door. The hooks are also great for holding key chains and your pet’s leashes. The mail holder and key rack organizer includes all the wall mounting hardware needed to set it up right away, while its sleek profile takes up minimal wall space mount in to a wall in your kitchen, entryway or mudroom for instant and elegant, save-spacing storage. Match it with your existing bronze fixtures or coordinate it with our line of basket weave bath accessories for a cohesive look.

Spira Mailbox   Stainless steel Hardware Mailbox post cover

Stainless steel cap to fit exclusively on the Spira mailbox post. Made of marine grade 316 stainless steel for superior rust/road salt resistance. Overall size 6" x 6" x 1.25". Install lip dimensions fit inside a 4.75" x 4.75" post opening. Designed in the U.S.A.

SALSBURY INDUSTRIES   Black Mailbox cover

USPS approved Regency Decorative CBU accessories can be ordered separately from Salsbury 3300 series CBU's and are made of die cast aluminum. Decorative CBU accessories feature a durable powder coated finish available in five (5) contemporary colors. Regency CBU accessories provide an elegant finished look to CBU installations. Decorative CBU tops include a 3 In. diameter ball finial and an attractive sloping design.

SALSBURY INDUSTRIES   Sandstone Mailbox cover

USPS approved Regency Decorative CBU accessories can be ordered separately from Salsbury 3300 series CBU's and are made of die cast aluminum. Decorative CBU accessories feature a durable powder coated finish available in five (5) contemporary colors. Regency CBU accessories provide an elegant finished look to CBU installations. Decorative CBU tops include a 3 In. diameter ball finial and an attractive sloping design.

PostMaster   Black Mailbox Mounting Board

The Gibraltar Mailbox Mounting Bracket makes installing a mailbox easier than ever. This mailbox mounting bracket is compatible with any Gibraltar 4x4 wood or plastic post. Made from durable polypropylene plastic that will never rust, the mounting board has an ultraviolet inhibitor to extend its service life. Mounting hardware and easy to follow instructions are included for your convenience.

SALSBURY INDUSTRIES   Bronze Mailbox cover

USPS approved Regency Decorative CBU accessories can be ordered separately from Salsbury 3300 series CBU's and are made of die cast aluminum. Decorative CBU accessories feature a durable powder coated finish available in five (5) contemporary colors. Regency CBU accessories provide an elegant finished look to CBU installations. Decorative CBU tops include a 3 In. diameter ball finial and an attractive sloping design.

SALSBURY INDUSTRIES   White Mailbox cover

USPS approved Regency Decorative CBU accessories can be ordered separately from Salsbury 3300 series CBU's and are made of die cast aluminum. Decorative CBU accessories feature a durable powder coated finish available in five (5) contemporary colors. Regency CBU accessories provide an elegant finished look to CBU installations. Decorative CBU tops include a 3 In. diameter ball finial and an attractive sloping design.