Crate spec ticket
| Members | End assemblies, thin slats, wire binding |
|---|---|
| Wire | Steel, stapled and twisted at the ends |
| Closes with | Wire loops, hooks or twisted ties |
| Stored | Collapsed in bundles |
| Load limit | Light to moderate; set by size |
| Quote needs | Inside dimensions, gross weight, destination |
How a wirebound box is made
The crate starts as flat parts: thin boards cut to length, cleats for the ends and steel wire cut to suit. Slats are laid across the wires, which run in parallel, and the wire is stapled or looped into the boards so that each wall is a single flexible sheet of wood and wire.
At the ends, cleats make the rigid assemblies. When the box is closed, the wire sheets wrap round the end assemblies and are tied off. That is the only fastening. There is no frame, no skid and no nailed corner in the usual sense, which is why the box weighs so little.
What it is good at
Wirebound construction is cheap in lumber and fast to ship empty. It folds, so a pallet of collapsed boxes holds far more than a pallet of rigid crates. Fill with a light load, close the wires and it handles well on a conveyor and stacks neatly in a warehouse.
It has long been a produce package, and the same box works for lighter industrial items: fasteners in sealed bags, small castings, gaskets, hose assemblies, bagged parts and automotive components. The thin slats breathe, which helps with goods that need air, and drying parts that would sweat in a sealed box.
Hardware distributors, bearing suppliers, brake-component rebuilders and electrical wholesalers also ship in wirebound cartons because the box tolerates conveyors, sortation chutes and repeated stacking, while an empty bundle weighs almost nothing to return to the packing floor.
- Light industrial parts in bags or inner cartons
- Goods that need airflow
- High-volume repeat packs
- Cheap empties that must be stored flat
Where it stops being the right crate
A wirebound box has no skid, no frame and no place to lag a load down. Heavy items crush the slats or burst the wire, and a point load can punch through a wall. It gives no weather barrier, and thin boards split if a fork tine catches them.
For anything that weighs enough to need blocking and bracing to a base, move to a skid-based or sheathed construction. Wirebound is for loads where the wood is a container, not a structure.
Tare and cube
Tare is the lowest of any wood crate we build. The walls are slats a fraction of an inch thick and the wire weighs very little. For weight-billed freight and for air-bound lots, that matters.
Cube is good too, because walls are thin and there is no frame to add outside dimensions. The saving that shows most is in the empty state: collapsed boxes lie almost flat, so inbound freight and warehouse space for the packaging itself are small.
Export and the stamp
Thin as they are, the slats and cleats are solid wood. Unlike plywood or OSB, they do not sit under the NELMA exemption list. For export, the wood has to be heat-treated and stamped, with the mark on a minimum of two opposite sides.
On a small box with thin slats the mark sits on the end cleats, which are large enough to show it. Whether the destination wants treated wood at all is for APHIS and the receiving country's plant-protection authority to say, not for us to guess.
Wirebound versus slatted
Slatted crates look similar from outside, but they are built on a skid with posts and rails and nailed together, and they carry real weight. A wirebound box is a flexible wrap with no skid. If you can lift the filled box by hand or on a pallet with the box inside a stretch-wrapped unit load, it is a wirebound job. If you need fork entries and a lag-bolted base, it is a slatted job.
Many shippers use both: wirebound boxes for the parts, one slatted or sheathed crate for the outer pack.
Handling light crates in volume
The strength of wirebound packaging is volume handling. Fill stations pack the boxes, close the wires and stack them in unit loads on a pallet with corner boards and stretch film. Pallets of filled boxes move with ordinary pallet jacks and forklifts without any special lift points.
Care points are few but real. Do not stack beyond the height the walls can bear. Keep boxes off wet floors, because thin slats soak water and lose strength. Close each wire fully so a loop does not snag a passing hand. Empty boxes collapse, bundle and store on a rack until the next run.
Spec details we confirm
Give us the inside dimensions in inches, the gross weight per box in pounds and the destination. Say how many boxes per pallet, and whether they ride on the pallet or are strapped to it. We record slat width, wire type and closing method on the spec file.
Questions buyers ask
How much can a wirebound box hold?
Light to moderate weights, set by box size and slat thickness. Give us the gross weight and we will say whether it fits the build.
Can wirebound boxes be reused?
Often, as long as the wire and boards are intact. They are made to open and close but not for dozens of trips.
Is a wirebound box weatherproof?
No. The slats are open, so inner bags or film are used for moisture control.
Does export use need the IPPC stamp?
Yes where treated wood is required. The slats are solid lumber and are not covered by the plywood exemption.