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The Blum METABOX 320H is a steel drawer side and slide kit sized at 20 inches (500mm) that pairs a metal side profile with a matching runner in White — a finish that disappears cleanly inside painted or white-laminate cabinet boxes.
METABOX 320H is Blum's value-tier metal drawer system — a practical choice when the project calls for steel sides without the cost of a double-walled platform. The 20-inch length suits standard 21- to 24-inch-depth base cabinets. The 3/4 extension opens the drawer far enough for convenient access to everyday items: cooking tools, bathroom supplies, pantry goods, or shop consumables. Because the sides are steel rather than plywood or solid wood, there is no machining step for the drawer sides — the profile arrives ready to assemble. This kit is particularly well suited to production runs where consistent results and predictable fit matter more than premium aesthetics.
The White finish on the METABOX 320H reads as a clean off-white in person — the same tone Blum uses across the METABOX line — so mixing lengths or adding components within the same finish stays consistent. Steel construction keeps the side profile rigid under load without the weight of a solid-wood drawer side, and the single-wall profile stays slim inside the cabinet box. The closing mechanism on this kit is standard: there is no damper or soft-close unit. The drawer opens and closes on plain bearing action.
Cabinet shops outfitting painted kitchens with white interiors reach for this kit when the specification calls for Blum hardware and the budget does not require TANDEMBOX or LEGRABOX. Designers specifying painted or thermofoil cabinetry in white or off-white finishes will find the color integrates cleanly. Contractors replacing worn drawer sides in existing white Blum METABOX installations can match the original finish directly. The pack of 20 suits shops building multi-drawer runs — a bathroom vanity bank, a base cabinet run, or a utility room — in a single pull from stock.
No. The motion technology on this kit is standard — plain bearing action with no damper. If you need damped closing on a METABOX installation, look for a METABOX kit that specifies a soft-close or damped-close mechanism.
Not quite. A 3/4 extension slide brings the drawer most of the way out but leaves the rear section inside the cabinet when fully open. If you need complete access to the back of the drawer, a full-extension slide is the right choice.
Each kit includes a steel METABOX side profile and a matching runner. The pack of 20 contains 20 such kits. Confirm with the structured spec block whether the pack covers one side per kit or a left-and-right pair — that detail determines how many drawers the pack completes.
If your existing components are Blum METABOX in White, they should match. Blum holds consistent finish standards across the METABOX line, but if a close color match is critical, compare a sample against your existing hardware before ordering the full quantity.
METABOX slides typically mount in frameless (32mm system) cabinets. Face-frame installations may require rear mounting brackets. Check the Blum specification for this series and confirm your cabinet construction before ordering.
When the project is a white-interior kitchen or a multi-drawer bath build and the spec calls for Blum hardware at a practical price point, the METABOX 320H in White delivers consistent color, steel construction, and a 100 lb rated capacity in a quantity that keeps production moving.
Sold In: 1 Set
