McMaster-Carr logo
    Filter by
    For Use Outdoors
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Overall Depth
    Opening Depth
    Number of Mounting Holes
    Mounting Hole Diameter
    Number of Compartments
    Compartment Width
    Mounting Hardware Included
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    29 Products

    Drop Boxes

    Image of Product. Aluminum Box. Front orientation. Drop Boxes. Drop Boxes, Aluminum.
    Image of Product. Screw-In Steel Box. Front orientation. Drop Boxes. Drop Boxes, Aluminum, Screw In.
    Image of Product. Floor-Mount Steel Box. Front orientation. Drop Boxes. Drop Boxes, Powder-Coated Steel, Floor Mount.

    Aluminum Box

    Screw-In Steel Box

    Floor-Mount Steel Box

    Image of Product. Screw-In Steel Box with Lock. Front orientation. Drop Boxes. Drop Boxes, Steel, Screw In.
    Image of Product. Freestanding Steel Box. Front orientation. Drop Boxes. Drop Boxes, Steel, Freestanding Mount.
    Image of Product. Screw-In Plastic Box (Shown with Label). Front orientation. Drop Boxes. Drop Boxes, Plastic, Screw In.

    Screw-In Steel Box with

    Lock

    Freestanding Steel Box

    Screw-In Plastic

    Box (Shown with

    Label)

    Create a drop-off spot for documents and other small items.
    Aluminum— Aluminum boxes are corrosion resistant.
    Powder-Coated Steel—Powder-coated steel boxes are corrosion resistant and enclosed for outdoor use.
    Plastic—Plastic boxes have a clear sliding panel on the back for retrieving forms.
    Screw In—Mount screw-in boxes to the wall to save space.
    Floor Mount—Floor-mount boxes have a drop door with a larger opening than other boxes, so they can receive packages in addition to smaller items.
    5" Wide Opening—Screw-in boxes with a 5-in. opening can also be placed upright on a table or counter.
    Lock—Boxes with a lock store deposits in a secure department, keeping them especially safe from theft.
    Opening
    Lid
    Mounting
    Holes
    Wd.
    Dp.
    Wd.
    Dp.
    Ht.
    Wd.
    Dp.
    Color
    Mounting Fasteners
    Included
    No.
    of
    Dia.
    For Use
    Outdoors
    Features
    Includes
    Each
    Aluminum
     
    Screw In
    11 1/2"3/4"——19"15"7 1/2"—No41/2"NoLockTwo Keys000000000000000
     
    Powder-Coated Steel
     
    Screw In
    ——10 1/2"6 1/2"15 1/2"10 1/2"6 1/2"BlackNo41/4"YesLid—0000000000000
     
    Floor Mount
    15 3/4"7"——49"20"26"BlueNo41/2"YesDrop Door, LockThree Keys0000000000000000
    15 3/4"7"——49"20"26"GrayNo41/2"YesDrop Door, LockThree Keys0000000000000000
     
    Steel
     
    Screw In
    10 1/2"3/4"——12"12"3"BlackYes——NoLockTwo Keys000000000000
     
    Freestanding Mount
    4 3/4"1/8"——8 1/2"7 1/4"6"BlackYes——NoFront Pocket, LockLabels, Suggestion Cards, Two Keys000000000000
     
    Plastic
     
    Screw In
    5"1/2"——11"8 1/2"4 1/2"WhiteNo21/4"NoClear Back Panel—000000000000
     
    Accessories for Drop Boxes
    Labels
    Image of Product. Front orientation. Labels.
    Image of Product. Front orientation. Labels.
    Message
    Ht.
    Wd.
    Color
    Message
    Color
    Backing
    Type
    Each
    Mailbox3"5"Black, WhiteBlackAdhesive000000000000
    Suggestion Box3"5"Black, WhiteBlackAdhesive00000000000
    Drop Box Suggestion Forms
    Image of Product. Front orientation. Drop Box Suggestion Forms.
    Ht.
    Wd.
    Features
    Pkg.
    Qty.
    Pkg.
    11"8 1/2"Consecutively Numbered500000000000000

    Mailboxes

    Image of Product. Front orientation. Mailboxes. Style A.
    Image of Product. Front orientation. Mailboxes. Style B.
    Image of Product. Front orientation. Mailboxes. Style C.

    Style A

    Style B

    Style C

    Image of Product. Style A. Front orientation. B. Style A.
    Image of Product. Style B. Front orientation. Mailbox Flags. A.

    Style A

    Style B

    Send, receive, or collect mail or packages at your facility with these USPS (United States Postal Service) approved mailboxes. Made of powder-coated aluminum, they won’t corrode when exposed to harsh weather. All have a front door that individuals and mail carriers can open at any time to drop off or pick up mail. To alert mail carriers that these mailboxes contain outgoing mail, flip the red signal flag up.
    Style A
    Image of Product. Front orientation. Mailboxes. Style A.
    Style A mailboxes have a durable cast-aluminum door with a magnetic door catch, which keeps the door closed to protect the contents from dirt, dust, rain, and snow.
    Overall
    Compartment for
    Incoming/Outgoing Mail
    Mounting
    Color
    Ht.
    Wd.
    Dp.
    Ht.
    Wd.
    Dp.
    Latch
    Type
    Hardware
    Included
    Hole
    Dia.
    No. of
    Holes
    Each
    Powder-Coated Aluminum
    Black9 1/2"7 1/2"20 1/2"8"6 3/4"19 1/4"MagneticNo5/16"4000000000000000
     
    Accessories and Replacements for Mailboxes
    Posts
    Image of ProductInUse. Front orientation. ZoomedIn view. Mailbox Posts. Bolt-Mounted Posts.
    Image of ProductInUse. Front orientation. ZoomedIn view. Mailbox Posts. In-Ground Posts.
    Image of Product. Front orientation. Mailbox Posts.

    Bolt-Mounted Posts

    In-Ground Posts

    Use posts to securely mount mailboxes into the ground or concrete. They’re made of powder-coated aluminum, to stand up to harsh weather. All have a top mounting plate for attaching a mailbox.
    Bolt-Mounted Posts—For bolt-mounted posts, secure the bottom mounting plate of the post to concrete with an anchor kit (sold separately).
    In-Ground Posts—For in-ground posts, dig a hole, set the post in the hole, and then fill the hole with concrete.
    Post
    Top Mounting Plate
    Base Mounting Plate
    For Mailbox
    Style
    Color
    Ht.
    Wd.
    Dp.
    Mounting Hardware
    Included
    Mounting
    Hole Dia
    No. of Mounting
    Holes
    Mounting Hardware
    Included
    Mounting
    Hole Dia.
    No. of Mounting
    Holes
    Each
    Powder-Coated Aluminum
     
    Bolt-Mounted Posts
    ABlack42"3 1/2"3 1/2"Yes5/16"4No1/2"4000000000000000
    AWhite42"3 1/2"3 1/2"Yes5/16"4No1/2"400000000000000
     
    In-Ground Posts
    ABlack60"3 1/2"3 1/2"Yes5/16"4———00000000000000
     
    Mailbox Anchor Kits
    Image of Product. Stud Anchor Kits. Front orientation. Stud Anchor Kits.
    Image of Product. J-Hook Anchor Kits. Front orientation. J-Hook Anchor Kits.

    Stud Anchor Kits

    J-Hook Anchor Kits

    Stud Anchor Kits—When mounting posts to existing concrete, a stud anchor kit is required.
    J-Hook Anchor Kits—For mounting posts to new concrete, a J-hook anchor kit is required.
    For Mailbox
    Style
    No. of Anchors
    Included
    Each
    Stud Anchor Kits
    A400000000000000
     
    J-Hook Anchor Kits
    A40000000000000
     
    Replacement Mailbox Flags
    Image of Product. Style B. Front orientation. Mailbox Flags. A.

    Style B

    Style
    For Mailbox
    Style
    Color
    Ht.
    Wd.
    Thk.
    Mounting Hardware
    Included
    For Use
    Outdoors
    Each
    Powder-Coated Aluminum
    BARed8"2 3/4"1/4"YesYes00000000000000
     
    Style B
    Image of Product. Front orientation. Mailboxes. Style B.
    Style B mailboxes have two mail compartments—one that is unlocked for access to outgoing mail and the other that locks to keep contents safe from theft. The locked compartment can be opened from either the front or back of the mailbox. An overhanging top keeps the contents protected from dirt, dust, rain, or snow when the compartment doors are open.
    Overall
    Compartment for
    Outgoing Mail
    Compartment for
    Incoming Mail
    Slot
    Mounting
    Color
    Ht.
    Wd.
    Dp.
    Ht.
    Wd.
    Dp.
    Latch
    Type
    Ht.
    Wd.
    Dp.
    Latch
    Type
    No. of Keys
    Included
    Ht.
    Wd.
    Hardware
    Included
    Hole
    Dia.
    No. of
    Holes
    Each
    Powder-Coated Aluminum
    Black13 5/8"12 1/2"18 1/4"1 3/4"10"14 1/2"Magnetic9 1/2"12 1/4"15 1/4"Cam Lock44 3/4"10 1/4"No5/16"4000000000000000
    Black17 1/4"14 3/8"23"2 3/4"11"18 1/2"Magnetic12"14"19"Cam Lock42 1/2"11"No5/16"400000000000000
    Silver13 5/8"12 1/2"18 1/4"1 3/4"10"14 1/2"Magnetic9 1/2"12 1/4"15 1/4"Cam Lock44 3/4"10 1/4"No5/16"400000000000000
    Silver17 1/4"14 3/8"23"2 3/4"11"18 1/2"Magnetic12"14"19"Cam Lock42 1/2"11"No5/16"400000000000000
     
    Accessories and Replacements for Mailboxes
    Posts
    Image of ProductInUse. Front orientation. ZoomedIn view. Mailbox Posts. Bolt-Mounted Posts.
    Image of ProductInUse. Front orientation. ZoomedIn view. Mailbox Posts. In-Ground Posts.
    Image of Product. Front orientation. Mailbox Posts.

    Bolt-Mounted Posts

    In-Ground Posts

    Use posts to securely mount mailboxes into the ground or concrete. They’re made of powder-coated aluminum, to stand up to harsh weather. All have a top mounting plate for attaching a mailbox.
    Bolt-Mounted Posts—For bolt-mounted posts, secure the bottom mounting plate of the post to concrete with an anchor kit (sold separately).
    In-Ground Posts—For in-ground posts, dig a hole, set the post in the hole, and then fill the hole with concrete.
    Post
    Top Mounting Plate
    Base Mounting Plate
    For Mailbox
    Style
    Color
    Ht.
    Wd.
    Dp.
    Mounting Hardware
    Included
    Mounting
    Hole Dia
    No. of Mounting
    Holes
    Mounting Hardware
    Included
    Mounting
    Hole Dia.
    No. of Mounting
    Holes
    Each
    Powder-Coated Aluminum
     
    Bolt-Mounted Posts
    BBlack32"3 1/2"3 1/2"Yes5/16"4No1/2"4000000000000000
     
    In-Ground Posts
    B, CBlack48"3 1/2"3 1/2"Yes5/16"4———00000000000000
     
    Mailbox Anchor Kits
    Image of Product. Stud Anchor Kits. Front orientation. Stud Anchor Kits.
    Image of Product. J-Hook Anchor Kits. Front orientation. J-Hook Anchor Kits.

    Stud Anchor Kits

    J-Hook Anchor Kits

    Stud Anchor Kits—When mounting posts to existing concrete, a stud anchor kit is required.
    J-Hook Anchor Kits—For mounting posts to new concrete, a J-hook anchor kit is required.
    For Mailbox
    Style
    No. of Anchors
    Included
    Each
    Stud Anchor Kits
    B, C400000000000000
     
    J-Hook Anchor Kits
    B, C40000000000000
     
    Replacement Mailbox Flags
    Image of Product. Style A. Front orientation. B. Style A.

    Style A

    Style
    For Mailbox
    Style
    Color
    Ht.
    Wd.
    Thk.
    Mounting Hardware
    Included
    For Use
    Outdoors
    Each
    Powder-Coated Aluminum
    AB, CRed8"2 3/4"1/4"YesYes00000000000000
     
    Style C
    Image of Product. Front orientation. Mailboxes. Style C.
    Style C mailboxes have two mail compartments—one that is unlocked for access to outgoing mail and the other that locks to keep contents safe from theft. The locked compartment can be opened from either the front or back of the mailbox. An overhanging top keeps the contents protected from dirt, dust, rain, or snow when the compartment doors are open.
    Overall
    Compartment for
    Outgoing Mail
    Compartment for
    Incoming Mail
    Slot
    Mounting
    Color
    Ht.
    Wd.
    Dp.
    Ht.
    Wd.
    Dp.
    Latch
    Type
    Ht.
    Wd.
    Dp.
    Latch
    Type
    No. of Keys
    Included
    Ht.
    Wd.
    Hardware
    Included
    Hole
    Dia.
    No. of
    Holes
    Each
    Powder-Coated Aluminum
    Black36"14 3/8"23"4"11"18 1/2"Magnetic30 1/4"14"19 1/4"Cam Lock45 1/2"11"Yes7/16"4000000000000000
    Silver36"14 3/8"23"4"11"18 1/2"Magnetic30 1/4"14"19 1/4"Cam Lock45 1/2"11"Yes7/16"400000000000000
     
    Accessories and Replacements for Mailboxes
    Posts
    Image of ProductInUse. Front orientation. ZoomedIn view. Mailbox Posts. Bolt-Mounted Posts.
    Image of ProductInUse. Front orientation. ZoomedIn view. Mailbox Posts. In-Ground Posts.
    Image of Product. Front orientation. Mailbox Posts.

    Bolt-Mounted Posts

    In-Ground Posts

    Use posts to securely mount mailboxes into the ground or concrete. They’re made of powder-coated aluminum, to stand up to harsh weather. All have a top mounting plate for attaching a mailbox.
    Bolt-Mounted Posts—For bolt-mounted posts, secure the bottom mounting plate of the post to concrete with an anchor kit (sold separately).
    In-Ground Posts—For in-ground posts, dig a hole, set the post in the hole, and then fill the hole with concrete.
    Post
    Top Mounting Plate
    Base Mounting Plate
    For Mailbox
    Style
    Color
    Ht.
    Wd.
    Dp.
    Mounting Hardware
    Included
    Mounting
    Hole Dia
    No. of Mounting
    Holes
    Mounting Hardware
    Included
    Mounting
    Hole Dia.
    No. of Mounting
    Holes
    Each
    Powder-Coated Aluminum
     
    Bolt-Mounted Posts
    CBlack16"3 1/2"3 1/2"No7/16"4No1/2"4000000000000000
     
    In-Ground Posts
    B, CBlack48"3 1/2"3 1/2"Yes5/16"4———00000000000000
     
    Mailbox Anchor Kits
    Image of Product. Stud Anchor Kits. Front orientation. Stud Anchor Kits.
    Image of Product. J-Hook Anchor Kits. Front orientation. J-Hook Anchor Kits.

    Stud Anchor Kits

    J-Hook Anchor Kits

    Stud Anchor Kits—When mounting posts to existing concrete, a stud anchor kit is required.
    J-Hook Anchor Kits—For mounting posts to new concrete, a J-hook anchor kit is required.
    For Mailbox
    Style
    No. of Anchors
    Included
    Each
    Stud Anchor Kits
    B, C400000000000000
     
    J-Hook Anchor Kits
    B, C40000000000000
     
    Replacement Mailbox Flags
    Image of Product. Style A. Front orientation. B. Style A.

    Style A

    Style
    For Mailbox
    Style
    Color
    Ht.
    Wd.
    Thk.
    Mounting Hardware
    Included
    For Use
    Outdoors
    Each
    Powder-Coated Aluminum
    AB, CRed8"2 3/4"1/4"YesYes00000000000000
     
    back to top