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FEFCO 0711

Crash-Lock RSC 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

  • Base locks automatically when squared, removing the need for bottom tape
  • Top flaps meet in the center and require a standard tape or glue seal
  • Best suited for high-volume packing where labor speed offsets the more complex production route

About this product

The Crash-Lock RSC combines the rapid-assembly base of an auto-bottom carton with the familiar, secure top closure of a standard shipping box. When an operator pushes the opposite corners together, the factory-glued floor locks into place immediately, allowing packing teams to skip bottom taping entirely.

Because the top uses standard center-meeting flaps, it seals easily with tape or strapping for transit. This hybrid design trades a more complex manufacturing route for major labor savings at the pack bench, making it a practical choice for mature fulfillment operations.

Common uses

  • High-volume e-commerce fulfillment
  • Fast-paced kitting lines
  • 3PL operations

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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.

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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-throughput packing and fulfillment

High-volume e-commerce

The rapid base assembly cuts seconds off every order. Multiplied across thousands of shipments, the labor savings justify the more complex production route.

Fast-paced kitting lines

Operators can pop the box open with one motion and immediately begin loading components, keeping the assembly line moving without pausing for a tape dispenser.

Automated top-sealing workflows

Because the top uses standard slotted flaps, this box pairs well with automated case tapers. The base is handled immediately by hand, and the top is sealed by the machine.

High-speed pick-and-pack operations

When operators pull multiple items from bins, the rapid base setup allows them to erect the box with one hand while holding product in the other, keeping the line moving.

Operations relying on speed and secure closure

Third-party logistics (3PL)

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

Apparel and soft goods distribution

The smooth interior floor created by the overlapping base panels provides a clean surface for bagged clothing, while the taped top keeps dust out during transit.

Subscription box fulfillment

When thousands of identical orders must ship in a narrow window, eliminating the bottom-taping step helps fulfillment teams hit tight dispatch deadlines.

When to consider a different box style

Short runs and early-stage programs

If you are ordering in low volumes, the complex production route for a crash-lock base makes it less practical. A standard Regular Slotted Carton is a much simpler choice for short runs and early-stage trials.

Retail-ready presentation

If you want a clean unboxing experience without top tape, compare this to a Crash-Lock Box with a Tuck-In Top, which uses a friction-fit lid instead of taped flaps.

Close variants and lookalike dielines

The closest library neighbors include 0712, 0710, 0712a. 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, volume, and closure decisions

Board thickness and pop-up resistance

The interlocking base relies on precise clearances. Fine to medium flutes fold cleanly and snap into place easily. Heavy double-wall boards can make the base stiff, requiring excessive manual force to pop open.

Order maturity and production route

This box requires a flatbed die-cutter and a multi-point folder-gluer. This multi-step manufacturing path makes the most sense for mature, repeat programs rather than early-stage trials.

Top sealing method

While the base locks automatically, the top flaps meet in the center and require a standard tape or glue seal. You must plan for top-sealing labor or automated taping equipment.

Payload density and base limits

The interlocking bottom floor provides dependable support for standard payloads, but very dense, concentrated weights dropped into the center should be physically tested to ensure the lock does not disengage.

Practical template adjustments

Variable height creases

Horizontal score lines can be added to the side walls, allowing packers to fold the top flaps down at different heights. This reduces the need for void fill when shipping smaller orders in the same footprint.

Top flap cut profiles

Depending on the specific die-cutting equipment used, the slots between the top flaps can be cut straight or with a slight relief to ensure clean waste stripping during production.

Peel-and-seal top closures

For e-commerce applications, the standard taped top can be replaced with a factory-applied adhesive strip and tear thread, creating a tool-free closure and opening experience.

Board and packing details

Prototyping crash-lock bases

A digital sample can prove the dimensions and fit, but it cannot perfectly replicate the crush and fold memory created by a factory folder-gluer. The pop-up resistance of a hand-glued prototype will feel different than the final production run.

Top flap cut profiles

Alternate top flap profiles (0711a)

A structural variant that modifies the slot cuts between the top flaps, often chosen to match specific flatbed die-cutting requirements.

Additional notes

Folder-gluer crush memory

A hand-glued prototype cannot perfectly replicate the crush and fold memory created by a factory folder-gluer. The pop-up resistance of a sample will feel different than the final production run.

Related packaging to compare

FAQs

Closure and shipping

Does the bottom of a crash-lock box need tape?

No. The base is pre-glued at the factory. When you square the box, the bottom flaps automatically swing down and interlock, creating a secure floor that holds its shape without tape.

Can I ship this box without any tape at all?

No. While the bottom is tape-free, the top features standard slotted flaps that meet in the center. You will need to seal the top with packing tape or strapping before handing it to a courier.

Production and volume

Why is this box better suited for repeat programs than short runs?

A crash-lock base requires a flatbed die-cutter and a specialized multi-point folder-gluer. This multi-step manufacturing path requires more preparation than a standard shipping box. For mature, high-volume programs, the pack-bench labor savings easily outweigh the more complex production route.

Board and material

Can I order this in heavy double-wall corrugated?

It is possible, but requires careful testing. Heavy double-wall board makes the diagonal creases very stiff, which can cause the automatic base to bind or require too much physical effort from your packers to pop open.

Product fit

Is the inside of the box completely flat?

Mostly, but not perfectly. The interlocking base panels overlap to form the floor, creating a slight ridge where the flaps meet. For most products, this is unnoticeable, but it is worth considering if you are packing items that require a perfectly flush bottom surface.

Adjustments

Can we add tear strips for easier opening?

Yes. While the standard template uses tape, we can modify the design to include a peel-and-seal adhesive strip for closing and a tear thread for frustration-free opening, though this adds to the manufacturing complexity.

Product fit

How does the base hold up to heavy items?

The dual-layered, interlocking bottom floor provides dependable support for most standard shipments. However, if you are packing very dense, concentrated weights, the base should be physically tested to ensure the lock does not disengage during transit.

Packing labor

Can this box be run through an automated case erector?

While the top flaps are compatible with automated case tapers, the crash-lock base is designed for rapid manual assembly. If you want fully automated erection, you should evaluate your specific machinery requirements before choosing this style.