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American Security Cabinets

Material Depository Unit

This low-maintenance, brushed stainless steel head and powder coated drop box is designed to collect books and media safely, securely, and efficiently. The through-wall Material Depository Unit holds up to 50 books or other media.

All required options must be selected before you can add to cart.

Attention Contractor: rough opening for delivery chute installed is 16″ x 9″ tall. Wall depth measurement is needed at the time of order. Install in accordance with your state and local fire codes.

  • View the Specifications for this drop box here.
  • View the installation/cut sheet for this product here.
  • Step 1:
    * Customization
    Step 2:
    Select Accessories
    Step 3:
    * Shipping Options
    Door and Hinge Options *

    *Where would you like the access door mounted on the cabinet? *

    *Which side should the hinges be on? *

    Chute Bundles *
    *Enter wall depth in inches (1 - 12 inches)
    *Enter wall depth in inches (13 - 20 inches)

    (If wall is deeper than 20", please Contact Sales to order.)

    Additional Keys:
    • $29.00

    Backer Plate for Single Drop HCU/MDU

    If you are attaching this to glass, you will want a backer plate.

    Lockable Lift Plate
    *Notice: Additional Freight Cost (Required) *

    By selecting this product, you are accepting the additional freight cost for this unit.

    Additional Delivery Options

    Unless you have a loading dock or forklift at the drop-off location, select this option for delivery using a liftgate.

    Common freight carriers require an additional fee if your location is considered LIMITED ACCESS. Please review this link to see if your location is limited access.

    If this is being delivered indoors, select Deliver Inside. If you'd like the shipper to call and schedule a delivery time, select Make an Appointment.

    Shipping Notes
SKU HOLD5971 Category
Weight 100 lbs

Naked, Media, Book

Product Dimensions

Clear opening: 3-3/4" x 12-1/2"
Overall dimensions: 10-5/16" x 18-3/4"


Tamper Resistant Chute


ADA Title II and Title III compliant


Chute, Custom Signage, Head, Lifetime Warranty


Book Return, Exterior Returns, Interior Returns, Media Return

Material Finish

Stainless Steel

Cabinet Size

Extra Large, Extra Small, Large, Medium, Small

Mounting Option


Slot size

Large, Standard, Wide


50 Books

Items Shipping via a Common Freight Carrier:

Please review this link for a complete list of limited access locations.

Items Shipping via a UPS Ground Delivery:

SKU HOLD5971 Category