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The Blum METABOX 320M is a steel drawer side and slide kit that combines a 3-1/2 inch tall side profile and a 22 inch (550mm) self-contained running system in White — a finish that disappears cleanly inside painted, melamine, or white-laminate cabinet boxes without requiring a secondary finish step.
The METABOX 320M at 22 inches suits cabinet depths in the 22 to 23 inch range — standard base cabinets, bathroom vanities, and utility cabinetwork where the drawer box needs to be built efficiently rather than specified to the millimeter. The 3/4 extension brings the drawer out far enough to reach most of its contents comfortably; note that it does not deliver the last few inches of travel that a full-extension slide provides, so deep items stored at the very back will require reaching in. That trade-off keeps the installed cost lower, and for everyday kitchen or bath storage it rarely matters in practice.
The White finish earns its place in painted-cabinet kitchens, bath vanities with white interiors, and any build where the drawer box itself will be visible through open doors or glass fronts. Running a White side profile against a white or light-gray melamine interior makes the hardware recede rather than contrast.
The side profile is steel, finished in White. METABOX is Blum's economy-tier metal drawer system — a single-wall steel side rather than the double-walled construction of TANDEMBOX or LEGRABOX — which keeps the price accessible for high-volume cabinet production without sacrificing the dimensional consistency that production shops need. The 22 inch nominal length matches a 550mm runner, and the profile height of 3-3/8 inches gives the drawer box enough side wall to handle standard kitchen drawer contents.
The Motion Technology attribute on this SKU is listed as Standard, meaning the slide does not incorporate a damped soft-close mechanism. Closing behavior is positive and direct. If a damped soft-close action is required for the build, Blum's TANDEM plus BLUMOTION undermount program or the METABOX 320F series with integrated soft-close would be the appropriate step up.
Cabinet shops running white or painted-interior boxes at production volume are the natural fit. The METABOX 320M delivers a consistent, dimensionally stable drawer side that cuts, assembles, and installs on a repeatable schedule. Designers specifying cabinetwork for white or light-finish interiors will find the White profile eliminates a finishing variable. Contractors and remodelers replacing worn or mismatched drawer hardware in white-interior cabinets can drop this kit in and match the existing color without painting.
This is an indoor application. Steel drawer hardware is not rated for damp or exterior environments.
It is a drawer side and slide kit — the steel side profiles and integrated running hardware are included. You supply the drawer bottom, back panel, and front. Build the box to Blum's METABOX cutting formula for the 22 inch (550mm) nominal length.
A 3/4 extension slide opens the drawer to roughly three-quarters of its slide length, leaving a few inches of the back end of the drawer inside the cabinet. A full-extension slide brings the drawer all the way out to the cabinet face. For most kitchen and bath applications, 3/4 extension is sufficient; if you need access to the very back of the box, choose a full-extension option.
No. The Motion Technology for this SKU is Standard — the drawer closes positively without a damper. If soft-close is a requirement, look at the METABOX 320F series or Blum's TANDEM plus BLUMOTION undermount program.
METABOX slides are designed for frameless (32mm grid) cabinet construction. Face-frame installations may require additional rear mounting brackets; confirm the mounting requirement for your specific cabinet build before ordering.
Confirm the sold-as unit on the product page — METABOX kits in this catalog are sold as a set (two sides) per drawer. Check the quantity shown at checkout to confirm you are ordering enough for the number of drawers in the run.
The METABOX 320M in White gives production shops and contractors a steel drawer kit that installs clean, matches painted interiors without extra steps, and handles the loads of everyday cabinetwork — all from a Blum platform built around consistent, repeatable assembly.
Sold In: 1 Set
