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FEFCO 0930

Four-Cell Corrugated Partition

  • Available in a wide range of custom configurations & material selection.
  • Order 1 sample. Or order 100K+ units. Or anything in between.
  • Affordable delivery across North America.
  • Design support, warehousing, testing, assembly available.
  • Widest machinery capability in America via 30+ specialist partner plants.
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Product details

Top highlights

  • Isolates four individual items to prevent surface abrasion and impact
  • Acts as an internal column to add substantial outer box stacking strength
  • Requires exact board thickness matching to ensure slots slide together without binding

About this product

A multi-piece interlocking grid that divides a master carton into four isolated cells. By sliding slotted strips together perpendicularly, this partition prevents fragile items from colliding and acts as an internal load-bearing column.

It provides heavy vertical stacking strength and strict product isolation, but requires a practical decision on packing labor: assembling loose strips on the floor versus ordering them pre-assembled and diagonally collapsed.

Common uses

  • Glassware and bottle isolation
  • Heavy industrial parts separation
  • Vertical stacking reinforcement for weak outer boxes
  • Multi-tier product stacking

Get a quote

Share what you know. We'll take it from there. Or email us at info@herculeindustrial.com

Best Price Guarantee

Already have a packaging quote? Let us beat it.

Send us the quote you have. We will beat it for the same specifications, quantity, and delivery requirements.

Upload a competing quote

Free quote review. No obligation.

30+specialist partner plants

We supply through the plant best suited to your price, material, production, and delivery requirements.

Why we can beat a lower quote

30+ plants give us more ways to lower the price.

Each plant has different machinery, material costs, order minimums, and freight rates. Our buying volume helps us secure better pricing. We then quote through the plant that gives you the lowest total price for your requirements.

Send us your current quote. Watch us beat it.

Attach it to the quote form or email it to us. We'll review it free and send you our price.

Upload a competing quoteinfo@herculeindustrial.com
Best Price Guarantee terms

To qualify, send a written supplier quote dated within the past 30 days and addressed to your company. It must cover the same dimensions, construction, material, print, finish, quantity, tooling, freight, delivery date, and delivery location. The guarantee does not cover taxes, expired quotes, liquidation or clearance sales, or obvious pricing errors.

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Practical packing jobs for interlocking grids

Glassware and bottle isolation

Secures each object independently from all four sides. This eliminates unit-to-unit collision, preventing glass breakage and label scuffing during transit.

Heavy industrial parts separation

Keeps machined components or heavy metal parts from damaging each other while supporting heavy pallet loads from above.

Vertical stacking reinforcement

The intersecting walls of the grid act as structural columns. This allows the outer master carton to use lighter board because the internal grid carries the vertical compression load.

Multi-tier product stacking

For deep master cartons, packers can stack multiple grids on top of each other. Placing a flat corrugated pad between each grid layer creates distinct vertical tiers for smaller items.

Industries relying on strict cellular isolation

Beverage and cosmetics kitting

Retail presentation relies on pristine labels and unblemished surfaces. The strict cellular isolation prevents the friction that ruins premium packaging.

Automotive and electronics distribution

Shipping multiple distinct components in a single master box requires rigid separation to prevent delicate parts from crushing each other during rough handling.

Pharmaceutical and laboratory shipping

Glass vials and sample jars require rigid, individual compartments to prevent shattering. The tight friction fit of the grid ensures these small items do not migrate during transit.

When a different divider style makes more sense

Single-axis buffering

If you only need to buffer products from the side walls rather than isolating them from each other, a simple U-channel uses less board and requires no slot assembly.

Avoiding multi-piece assembly

If you want to avoid mating separate strips entirely, a single folded sheet can create parallel channels, though it cannot form a strict four-way intersecting grid.

Close variants and lookalike dielines

The closest library neighbors include 0931, 0933, 0934. Use this as a variant check if a buyer brings an old code, sample, or dieline that looks close. The deciding details are usually the lock, slot, closure, wall build, part count, or fold sequence.

Labor and fit choices before requesting a quote

Loose strips versus pre-assembled grids

Loose strips cost less to manufacture but shift heavy assembly labor to your packing floor. Pre-assembled grids cost more upfront but arrive diagonally collapsed and ready to drop into the box.

Board thickness and slot width

The slots must be cut to exactly match the board caliper. Changing from a thin E-flute to a thick C-flute requires updating the slot width, or the grid will bind and tear during assembly.

Cell count and array scaling

The basic layout creates four cells, but the same intersecting logic scales to twelve, twenty-four, or more cells by adding more slots and strips to the array.

Outer box board reduction

Because the intersecting grid provides heavy vertical column strength, you can often safely reduce the board grade of the outer master carton without sacrificing overall crush resistance.

Modifications for faster packing and secure locking

Chamfered slot entries

Tapering the top of the slots makes it much easier for packers to align and slide the strips together. This reduces manual friction on the packing line, though it usually requires die-cutting instead of standard slotting.

Locking friction tabs

Adding die-cut tabs inside the slots creates a hard lock when the strips intersect. This prevents the grid from falling apart during rough transit or when packers handle pre-assembled units.

Micro-flute or solid board substitution

If the master carton is tight on space, switching the grid material to a thin solid board or micro-flute maximizes the internal cell volume while maintaining strict product separation.

Board and packing details

Master carton fit and clearance

The partition must be sized slightly smaller than the internal dimensions of the master carton to allow easy insertion without bowing the outer walls.

Diagonal collapsing for storage

When fully assembled, the friction-fit grid can be pushed flat diagonally. This allows dense pallet shipping and efficient warehouse storage even for pre-assembled units.

Additional notes

Automated insertion limits

Ordinary straight-line folder-gluers do not assemble intersecting grids. Automated assembly requires specialized partition inserter equipment at the converter.

Outer box downgrading

Because the grid provides so much vertical strength, you can sometimes safely reduce the board grade of the outer master carton.

Related internal dividers and buffers

0929: U-Channel Buffer

A better choice if you only need to protect a product from the outer box walls rather than creating individual cells.

0933: Cell Partition

Nearby FEFCO style to review if the buyer wants a similar job but the closure, flap overlap, wall build, or part count changes the package choice.

FAQs

Shipping and storage

Can this partition be shipped flat?

Yes. If you order them as loose strips, they ship completely flat. If you order them pre-assembled, they can be pushed diagonally flat to save pallet space.

Assembly and closure

Does this partition need tape or glue?

No. The longitudinal and transverse strips lock together using a perpendicular friction fit.

Product fit

Can I use this as a standalone shipping box?

No. This is an internal component that must be placed inside a master carton to hold the grid together and protect the contents.

Modifications

Why would I choose chamfered slots?

Chamfered or angled slot openings guide the strips together faster. This reduces manual assembly time on the packing floor, though it changes the manufacturing tooling required.

Board and material

Does the board grade matter for the slots?

Yes. The slot width is mathematically tied to the board thickness. If you test a prototype in thin solid board and then order thick corrugated, the slots will be too narrow and the strips will crush when pushed together.

Protection

Will this help my boxes survive pallet stacking?

Yes. The intersecting walls of the grid act as internal load-bearing columns, transferring vertical weight from the lid to the base and preventing the outer box from crushing.

Packing setup

How do I pack multiple layers of products using these grids?

You can stack grids vertically inside a deep master carton. You just need to place a flat corrugated pad between each grid layer to create a floor for the next tier of products.

Board and material

What happens if the slot width is wrong?

If the slots are too narrow for the board, the strips will bind and tear during assembly. If the slots are too wide, the grid will be floppy and fail to hold a square shape inside the box.