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FEFCO 0712

Auto-Bottom Box with Flat-Sealing Top

  • 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

  • Base locks automatically when squared, removing the need for bottom tape
  • Inner and outer top flaps meet in the center for a gapless, level surface
  • Trades higher board usage for pack-bench speed and top-stacking stability

About this product

This shipping box combines the instant-setup speed of a crash-lock base with a specialized, perfectly flat top closure. When squared, the factory-glued floor locks into place automatically, allowing packing teams to skip bottom taping entirely.

Unlike standard slotted boxes, both the inner and outer top flaps are sized to meet perfectly in the center. This creates a completely flat, double-layered roof that improves top puncture resistance and provides a smooth surface for automated taping, labeling, and palletizing.

Common uses

  • Automated taping lines
  • High-volume e-commerce
  • Dust-sensitive payloads
  • Palletized outbound shipping

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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High-volume packing and flat-surface sealing

Automated taping and labeling lines

The perfectly flat top surface prevents tape from dipping or catching in a center gap, making this box consistent for fulfillment centers using automated case sealers.

Palletized outbound shipping

The gapless top provides a level surface for vertical stacking, preventing the top tier from crushing inward under stretch wrap or heavy pallet loads.

Dust-sensitive payloads

Because the inner flaps abut in the center just like the outer flaps, the top of the box is entirely double-layered, preventing dust from falling through the center seam during transit.

High-speed manual packing lines

The instant-setup base removes the need to fold and tape the bottom, allowing packers to load goods immediately and focus only on sealing the top.

Operations relying on speed and stacking stability

High-volume e-commerce fulfillment

The instant base setup cuts seconds off every order. When multiplied across thousands of shipments, the labor savings justify the specialized production routing.

Third-party logistics (3PL)

When throughput dictates profitability, removing the bottom-taping step across thousands of daily orders yields measurable labor savings.

Automated distribution centers

Facilities relying on suction-cup palletizers or automated labeling equipment benefit from the perfectly level, gapless top surface.

When to consider a standard auto-bottom box

When packing long, narrow products

To make the inner flaps meet in the center, they must be exactly half the length of the box. If the box is very long and narrow, these flaps become massive, requiring substantially more corrugated board than a standard design. Evaluate a standard auto-bottom box (0711) to save material.

When the top surface does not need to be perfectly flat

If the box will be sealed by hand and does not require a double-layered top for puncture resistance or automated palletizing, a standard auto-bottom box provides the same base-assembly speed with better material efficiency.

Close variants and lookalike dielines

The closest library neighbors include 0711, 0710, 0711a. 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, proportions, and closure choices

Board thickness and taping pressure

Because four flaps meet exactly at the center seam, heavy double-wall boards can create a spring-back effect, requiring heavy tape pressure to stay flat. Fine or medium flutes (E, B, C) fold much cleaner and reduce tension on the top seal.

Box proportions and material efficiency

The cost-effectiveness of this box depends heavily on its length-to-width ratio. Square or nearly square boxes use this top style efficiently. Elongated boxes drive up material waste.

Closure method for the top flaps

While the base locks automatically, the four meeting top flaps require tape or adhesive. Heavy board grades may require stronger tape to hold the flaps perfectly flat.

Order maturity and production path

The complex base and extended top flaps require specific flatbed die-cutting and multi-point gluing. This production path makes the most sense for mature, high-volume fulfillment programs rather than short-run trials.

Top flap cuts and corner clearances

Corner gaps and flap cuts

The edges of the top flaps can be adjusted with straight or slotted cuts to change how tightly the corners meet when folded flat, depending on the specific board thickness and stripping limits of the production equipment.

Crease offsets for board thickness

The hinge points for the top flaps can be adjusted to ensure the four panels abut cleanly without binding, depending on the chosen board grade.

Base interlock tension

The clearance between the bottom hooks and notches is calibrated to the specific board caliper, ensuring the floor locks securely without requiring excessive force to pop open.

Board and packing details

Delivery and storage footprint

The box ships completely flat as a pre-glued tube. However, the extended inner flaps mean the flat footprint is larger than a standard box, which slightly reduces the number of units that fit on an inbound pallet.

Flap cut styles

Alternate top flap profile (0712a)

Adjusts crease offsets and slot cuts to manage how the four flaps overlap or abut, which can improve folding behavior on specific board grades.

Additional notes

Production routing and order size

The complex base and extended top flaps require specific flatbed die-cutting and multi-point gluing equipment. This setup is highly efficient at scale but requires a specific production path that makes the most sense for mature, repeat programs.

Related high-speed and flat-top boxes

FAQs

Closure and Route

Does the base require any tape?

No, the bottom is pre-glued at the factory and locks mechanically when the box is squared. Only the top flaps require tape or adhesive.

Comparison

How does the top differ from a standard shipping box?

Unlike a standard box where the inner flaps leave a gap, both the inner and outer flaps on this design are extended to meet exactly in the middle. This creates a completely flat, double-layered roof.

Board and Finish

Is this box suitable for heavy double-wall board?

Heavy board makes the top flaps difficult to fold completely flat. The four meeting flaps create tension, which may require heavy taping pressure to keep closed. Fine or medium flutes are generally a better fit.

Quantity and Production

Can this box be used for long, narrow items?

It is possible, but the inner top flaps must be exactly half the length of the box to meet in the center. For elongated shapes, these flaps become very large, requiring significantly more corrugated board than a standard design.

Product Fit

What happens if the box is overpacked?

If bulk goods push outward against the main walls, the lateral bowing can pull the bottom flaps apart, risking lock disengagement. Dense payloads should be tested for fit.

Packing Labor

Can the top flaps be folded in an overlapping pattern?

Yes, packers sometimes fold the four top flaps in an interwoven pinwheel sequence to hold them down temporarily before taping, though they are structurally designed to abut cleanly.

How is this box delivered?

It ships completely flat as a pre-glued tube. The packer simply pushes the opposing corners inward to square the walls, which forces the bottom flaps to swing down and interlock.

Comparison

Why choose this over a standard auto-bottom box?

The extended inner flaps create a completely flat, double-layered top. This is useful for automated palletizing, applying large labels without dipping, or preventing dust ingress.