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FEFCO 0232

Notch-Lock Bottom Box

  • 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

  • Interlocking base speeds up manual assembly on the pack bench
  • Standard meeting top flaps require an external tape seal for transit
  • Requires die-cutting and is highly sensitive to board thickness

About this product

When a packing team spends too much time taping box bottoms, a notch-lock base offers a faster manual workflow. This corrugated shipper features die-cut corner notches that hook together, creating a secure floor the moment the box is squared up. The top closes like a standard shipping box and requires a normal tape seal.

Because the base relies on specific corner geometry, this package requires die-cutting rather than standard straight-knife slotting. It makes sense when your operation packs by hand, ships lightweight goods, and wants to eliminate the step of taping the bottom of every box.

Common uses

  • Manual fulfillment lines
  • Kitting and assembly stations
  • Lightweight ecommerce shipping
  • Temporary sorting bins

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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Manual packing and kitting jobs

Manual fulfillment lines

When operators build hundreds of boxes a day by hand, eliminating the bottom tape seal saves seconds per package. The base locks into place with a quick press, leaving the box ready to load.

Kitting and assembly stations

For multi-part kits built on a workbench, the notch-lock base provides a flat, stable floor immediately. Workers can drop components in without wrestling with a tape gun first.

Lightweight ecommerce shipping

Apparel, soft goods, and lightweight consumer products ship well in this style. The base holds the payload securely during transit as long as the weight does not exceed the shear strength of the corner hooks.

Temporary sorting bins

Because the base locks instantly, these boxes are often used as temporary holding or sorting bins on the warehouse floor before the final top seal is applied.

Fulfillment and assembly environments

High-volume manual ecommerce

Operations that have not moved to automated case erectors use this base to increase their daily output per packer.

Light industrial parts

Distributors shipping lightweight components use the locking base to streamline their pack-out process, provided the payload is not dense enough to tear the corner locks.

Subscription box assembly

Teams packing monthly subscription boxes by hand benefit from the fast setup, allowing them to focus on presentation and insert loading rather than box taping.

When to consider a different shipping box

Automated packing lines

If you use automated case erectors, switch to a standard RSC (FEFCO 0201). Machines are built to fold and tape straight flaps, not engage mechanical corner notches.

Heavy payloads or double-wall board

If your product requires thick double-wall board, the corner notches will bind and crush during assembly. A standard taped RSC (FEFCO 0201) is a safer choice for heavy transit.

Alternative tape-free bases

Compare with a Snap-Lock Base (FEFCO 0215). Both offer a tape-free bottom, but the 0215 uses a central interlocking sequence rather than corner hooks.

Close variants and lookalike dielines

The closest library neighbors include 0216, 0216_1, 0216a. 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.

Board thickness, top flaps, and production route

Board thickness and lock friction

The corner notches rely on the exact thickness of the corrugated board to hold their shape. Single-wall board bends just enough to engage and spring back. Thicker board resists this bending, making the box frustrating to assemble.

Top flap style

The standard template uses top flaps that meet in the center. If the package needs extra top protection or a cleaner presentation, the template can be adjusted so the outer top flaps fully overlap.

Cutting method and production route

Unlike a basic shipping box cut with straight knives, the notched base requires a flatbed or rotary die-cutter. This changes the production path and makes short digital-cut prototypes valuable for testing the lock friction.

Payload weight limits

Because the payload weight rests on the inner flaps, which are held up by the corner hooks, heavy drops can cause the notches to tear out. Discuss your product weight early to ensure the base can handle the transit route.

Template adjustments beyond dimensions

Notch depth and angle

The locking hooks can be tuned slightly depending on the board grade to ensure they hold tight without tearing during assembly.

Full overlap top

The top flaps can be extended to fully overlap, adding a second layer of corrugated board over the entire top opening.

Hand holes

For larger boxes used in manual kitting, die-cut hand holes can be added to the side panels to make lifting and moving easier.

Board and packing details

Base dropout limits

Because the payload weight rests on the inner flaps, which are held up by the corner hooks, heavy drops can cause the notches to tear out. Prototype testing is highly recommended for dense products.

Base and top variations

Full Overlap Top (FOL)

While the standard 0232 has meeting top flaps, it is frequently manufactured with fully overlapping top flaps for added security and a cleaner top surface.

Additional notes

Short digital trials

Because the notch locks are sensitive to board thickness, running a short digital-cut prototype is a smart way to test the assembly feel before committing to a full production run.

Related packaging styles

0201: Standard RSC

The standard shipping box. Requires tape on top and bottom, but runs on automated erectors and handles double-wall board easily.

0215: Snap-Lock Base

Another manual, tape-free base option that uses a 1-2-3 folding sequence instead of corner hooks.

FAQs

Assembly and Packing

Does this box require any tape?

Yes. While the bottom base locks together mechanically without tape, the top flaps meet in the center and require a standard tape seal for shipping.

Can we run this on our automated case erectors?

No. Automated erectors are designed to fold and tape straight flaps. The corner notch locks require targeted manual force to engage properly.

Board and Material

Can we order this in double-wall board for heavier items?

It is generally not recommended. The corner hooks need to bend slightly to lock into place. Heavy double-wall board resists this bending, which causes the locks to bind, crush, or fail to seat correctly.

Production and Tooling

Why does this require a different production route than a standard shipping box?

A standard box is cut with straight knives on a slotter. The complex corner hooks on this base require a flatbed or rotary die-cutter, which changes how the packaging is manufactured.

Performance and Testing

Will the bottom hold heavy industrial parts?

The base relies entirely on the shear strength of the four corrugated corner hooks. For dense, heavy parts, a taped bottom is much safer. If you want to use this locking base for heavier items, you should conduct loaded drop tests first.

Assembly and Packing

How does the base lock together?

The two inner bottom flaps fold in first. Then, the two outer bottom flaps fold in, and their specially cut diagonal notches hook into the inner flaps, locking the floor horizontally.

Design and Structure

Can the top flaps fully overlap instead of meeting in the center?

Yes. The template can be adjusted to feature fully overlapping top flaps, which provides a double layer of corrugated board over the top opening for extra protection.

Assembly and Packing

Is this base easy to open once locked?

The base is designed as a one-way lock for transit. While it can be reopened by carefully unhooking the notches, it is usually faster for the end-user to cut the top tape to access the product.