Hercule Industrial logoHercule Industrial
Interactive 3D
1 / 3

FEFCO 0512

Two-Piece Slotted Container

  • 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.
Get pricing

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.

Free white-glove consultations. Blazing-fast response time. Fast quotes.

Product details

Top highlights

  • Pairs a glued sleeve with a separate slotted wrap
  • The wrap folds around the sleeve to cover selected faces
  • Requires manual assembly and checked slot clearances

About this product

This two-piece slotted container pairs a glued sleeve with a separate three-panel wrap. The slotted wrap folds around the sleeve instead of sliding across it as a second tube.

The two different blanks require separate production steps and manual mating at the packing bench. Board caliper affects the wrap clearance and slot engagement.

Common uses

  • Premium retail kitting
  • Heavy industrial components requiring double-wall faces
  • In-plant sub-assembly staging
  • High-end hardware presentation

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.

Files or competing quote (optional)
Optional

More details

You can skip this whole part, or open a section and answer only what you know.

Size and quantity
Units
Materials and print
Add details for material or strength preference
Add details for print and artwork
Current box or specs
Add details for do you have a current box, spec, or target sample?

Heavy Hardware and Premium Retail Presentation

Dense industrial components

The double-wall overlap provides substantial lateral crush resistance. This makes it a strong fit for dense hardware or heavy parts that would bulge a standard single-wall box. The cross-axis design keeps the inner tube locked in place under vertical compression.

Premium retail and kitting

The smooth, linear sliding action creates a controlled reveal that slows down the unboxing experience for high-end goods. The flapless exterior provides clean, uninterrupted faces for branding and graphics.

Heavy-duty sub-assembly staging

For in-plant transport where parts move between workstations, the friction fit allows operators to open and close the package repeatedly without wearing out locking tabs or tearing tape.

High-end hardware presentation

Tools and precision instruments benefit from the rigid, double-wall overlapping faces, which protect heavy items from punching through the sides during transit.

Manual Kitting and Industrial Bundling

Manual kitting operations

This box requires an operator to square two separate tubes, load the inner tube, and plunge them together at a 90-degree angle. It fits well in low-volume, high-touch fulfillment centers where presentation or heavy-duty protection outweighs packing speed.

Retail display environments

The lack of external flaps or tape leaves all six sides clean for graphics. Retailers can stack these boxes neatly, and the friction fit keeps the contents secure without requiring shrink wrap on the shelf.

Palletized freight distribution

Stacked boxes stay oriented, suppressing separation. The vertical flutes of the overlapping tubes provide excellent vertical stacking support for heavy pallets.

When to Consider a Different Slide or Tray

High-speed fulfillment lines

If your packing line relies on speed or automation, the cross-axis manual assembly of this box will create a bottleneck. Standard automated cartoning equipment cannot perform the 90-degree plunge. Look at a standard RSC or an auto-bottom crash-lock box for faster throughput.

Unsealed parcel shipping

Because this box relies entirely on friction to stay closed, rough courier handling and vibration can cause the tubes to slide apart. If you ship through mixed-carrier networks without an outer master carton, you must add tape, a secure label seal, or shrink wrap.

Close variants and lookalike dielines

The closest library neighbors include 0319, 0319a, 0511. 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, Friction, and Production Routing

Board thickness and binding risk

The friction fit depends entirely on precise board caliper math. Fine flutes provide a smooth slide and crisp print surface. Heavy double-wall board drastically increases the risk of the inner tube binding during assembly, making it difficult for operators to close the box.

Two-machine production routing

Unlike a standard box, this package requires two completely separate folder-gluer machine runs, one for the inner tube and one for the outer shell. This doubles the conversion time and affects the minimum viable order quantity.

Surface coatings and slip risk

High-gloss varnishes or slick UV coatings reduce surface friction. While they improve the visual presentation, they increase the risk of the inner tube slipping out of the shell prematurely. Discuss closure methods if you plan to use slick finishes.

Packing station layout

Operators need enough bench space to square two separate flat sleeves and perform a multi-axis plunge. If bench space is tight, a single-piece box may be easier for the team to handle.

Clearance Adjustments and Thumb Notches

Friction clearance offsets

The gap between the inner and outer tubes can be adjusted in the template to tighten or loosen the friction fit. This is critical when changing board grades or adding heavy ink coverage, which can alter how the two pieces slide together.

Thumb notches for easier opening

Adding half-moon thumb cutouts to the outer shell gives the end user a place to grip the inner tube. This makes the initial sliding separation much easier, though it requires flatbed die-cutting instead of simple rotary scoring.

Tuck flap additions

The template allows for tuck flaps on the inner tube ends if additional closure security is needed, though this moves the design away from a pure friction-fit slide and adds folding steps.

Board and packing details

Surface coatings and slip risk

High-gloss varnishes or slick UV coatings reduce surface friction. While they improve the visual presentation, they increase the risk of the inner tube slipping out of the shell prematurely. Discuss closure methods if you plan to use slick finishes.

Additional notes

Internal clearance for inserts

The inner tube provides a clean, rectangular cavity that easily accepts foam, molded pulp, or corrugated partitions. Because the ends are open until the outer shell is applied, operators can load long or awkward components from either side before sealing the package.

Related Sliding Packaging

0509: Sliding Cushion Box

Consider this option if you want an unglued inner wrap that folds around an insert, rather than a pre-glued inner tube.

FAQs

Packing and Assembly

Can this box be erected automatically?

No. Plunging one tube into another at a 90-degree angle requires multi-axis movement. Standard straight-line cartoning equipment cannot perform this action. It relies on manual assembly at the packing bench.

Shipping and Route

Does this box need tape for shipping?

Yes, if it travels through a parcel network. The friction fit holds well for palletized freight or retail shelves, but vibration and drops during courier transit can dislodge the inner tube. You will need an external seal, tape, or an outer master carton.

Production and Quantity

Why does this style often cost more to manufacture than a standard box?

It requires the converter to set up and run the folder-gluer machine twice, once for the inner tube and once for the outer shell. You are essentially paying for the conversion of two separate packages.

Board and Finish

Can I use heavy double-wall board for extra protection?

It is possible, but risky. Thick board makes the flat sleeves harder for the packer to square up by hand, and it drastically increases the chance that the inner tube will bind and get stuck inside the outer shell. Physical prototypes are mandatory if you move away from fine flutes.

Print and Finish

How do varnishes affect the box?

Slick coatings lower the friction between the two tubes. If the surface is too smooth, the inner tube may slide out under its own weight. The template clearances often need adjustment to compensate for the finish.

Samples and Prototypes

Do I need a physical sample before ordering?

Yes. Because the entire closure relies on the physical friction between two specific tubes of corrugated board, you must test a physical sample in the exact board grade and flute profile you intend to buy. A digital proof cannot verify the sliding resistance.

Inserts and Product Fit

Can I use foam or corrugated inserts with this box?

Yes. The inner tube provides a clean, rectangular cavity that easily accepts foam, molded pulp, or corrugated partitions. Because the ends are open until the outer shell is applied, operators can load long or awkward components from either side before sealing the package.

Opening Experience

How does the end user open the box?

They push or pull the inner tube out of the outer shell. Because the friction fit can be tight, adding thumb notches to the outer shell helps users grip the inner tube to start the sliding motion.