Custom Through The Wall Commercial Drop Chute

This through-the-wall commercial drop chute is designed for secure envelope, document, payment and small package receiving in commercial, office, residential and service counter applications. The front panel mounts on the exterior side of a wall, while the rear chute guides deposited items through the wall into an interior collection area.

The unit is suitable for businesses that need after-hours drop-off, document collection, payment receiving or small package intake without giving access to the interior space. Custom panel size, chute depth, finish, logo, labeling and packaging are available for OEM and project orders.

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Through-Wall Deposit Design

The product is installed through a prepared wall opening. Users deposit envelopes or small packages through the exterior drop door, and items travel through the rear chute into the inside area, floor space or a collection basket supplied by the project.

Commercial Drop-Off Convenience

This drop chute is suitable for offices, rental offices, service counters, payment collection points, document receiving rooms, property management locations and after-hours intake areas. It helps customers, tenants or staff submit items without entering the secured area.

Front Panel with Drop Door

The front face uses a large metal panel with an upper drop door and handle. The door is designed for envelope and small package receiving, while the lower viewing or identification window can be adapted depending on project requirements.

Rear Chute for Interior Collection

The rear chute extends through the wall and directs deposited items down toward the interior collection point. The collection basket, bin or receiving cabinet can be selected by the buyer according to site layout.

ItemSpecification
Product TypeThrough The Wall Commercial Drop Chute
Reference SKUS3600C5 reference page, no customer model required
InstallationThrough-wall / wall opening installation
ApplicationCommercial, office, residential, payment drop-off, document drop-off
Accepted ItemsEnvelopes, documents, payments and small packages
Front Panel ReferenceApprox. 21 in W x 29 3/4 in H
Rough Opening ReferenceApprox. 18 3/8 in W x 26 1/4 in H
Chute Depth ReferenceApprox. 6 in to 8 1/4 in side-depth related dimensions
Interior Drop ReferenceItems drop toward floor, basket or receiving container
MaterialStainless steel or galvanized steel option
FinishBrushed stainless, powder coated grey, black, custom finish
Custom Height OptionsAvailable for project-specific wall openings
OEM/ODMAvailable
Custom AreaOptions
Panel SizeStandard or project-specific front panel height and width
Wall OpeningRough opening matched to wall thickness and installation site
Chute DepthStandard chute or adjusted depth for project wall construction
FinishBrushed stainless steel, grey, black, custom powder coating
LabelingLetters, Payments, Documents, Drop Here, custom wording
LogoLaser marking, printed logo, no-logo finish
Collection MethodFloor drop, basket, bin, receiving cabinet or custom interior setup
PackagingBulk project packaging, branded carton, instruction sheet, hardware set
Installation MethodDescription
Exterior-to-interior wall installationThe exterior panel is fixed outside, and the chute passes through the wall
Commercial counter or service wallSuitable for payment, document or small package drop-off points
Office receiving areaAllows after-hours envelope and document receiving
Residential or property management useSuitable for tenant payments, keys in envelopes and management documents
Custom interior collectionCan drop to a basket, bin, flo

Frequently Asked Questions

It is not a standard mailbox. It is a through-the-wall commercial drop chute designed for envelopes, documents, payments and small packages.

The reference page notes that items can drop to the ground or a basket, and the basket is not included. For OEM orders, a basket, bin or receiving cabinet can be specified separately.

It is suitable for envelopes, documents, payment envelopes and small packages that fit the chute opening.

A wall opening is cut to match the chute and rough opening size. The drop chute is inserted through the wall and secured to the wall with the exterior panel facing the drop-off side.

Yes. Stainless steel, grey powder coating, black powder coating and other custom finishes are available for OEM and project orders.

Yes. Wording such as Letters, Payments, Documents, Drop Here or custom branding can be applied based on the project requirement.

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Why Buyers Work With Us for Mail Slots

From installation fit to flap operation and finish consistency, we focus on the details that matter for OEM and project mail slot orders.

Mail Slot Production Process

Mail slot production is adjusted according to the material, flap structure, sleeve design and required finish. 

production process welding assembly

Material Cutting

Stainless steel, aluminum, brass or steel parts are cut according to the approved drawings, including front plates, rear plates, flaps and sleeve components.

cnc bending

Forming & Machining

Openings, mounting holes, folded edges and sleeve sections are formed or machined to the required dimensions and installation structure.

welding & structure forming

Component Joining

Sleeves, brackets and other structural parts are welded, riveted or mechanically joined when required by the product design.

assembly

Flap & Hardware Assembly

Flaps, springs, covers, brush seals and mounting components are assembled and adjusted for smooth operation and correct fit.

powder coating & baking

Surface Finishing

Depending on the material and design, parts can be brushed, polished, powder coated, plated or finished in other specified colors and textures.

quality inspection & packaging

Inspection & Packaging

Dimensions, opening size, flap movement, surface quality, mounting details and accessories are checked before protective packaging and shipment.