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This is the zinc cabinet member from Blum's LEGRABOX drawer system, the 450mm (18 inch) runner that mounts inside the cabinet and carries the drawer through its full range of travel with integrated soft-close.
At 450mm nominal length, this cabinet member suits shallower runs where a longer slide would be impractical: upper cabinets, desk pedestal drawers, bathroom vanities, and shallow base cabinets where the box depth dictates a compact runner. Full extension means every inch of that drawer depth is accessible — the entire box clears the cabinet face and there is no lost space at the rear. For heavy-load applications at this shorter depth — think double-stacked pots in a shallow pullout, dense file boxes in a pedestal, or a heavily loaded bathroom drawer — the 155 lb capacity provides the margin a standard-rated slide cannot.
The cabinet member is steel with a zinc finish, matching LEGRABOX's coordinated hardware palette. LEGRABOX side profiles are double-walled, which conceals fasteners and presents a clean interior surface; this cabinet runner is the mechanical backbone that the double-walled sides ride on. The soft-close function uses Blum's BLUMOTION damping built directly into the runner — there is no external damper to add, lose, or replace. The 155 lb capacity is the heavy-duty LEGRABOX rating, applicable to this nominal length.
Cabinet shops running LEGRABOX as their standard drawer system reach for the 18 inch cabinet member when a project calls for a shallower cabinet than their usual 500mm or 550mm runs. Kitchen designers specifying handleless face layouts at this depth get the same BLUMOTION performance and capacity in a more compact format. Contractors fitting out office furniture, bathroom cabinetry, or custom desk units where upper or pedestal drawers need a high-load runner in a short cabinet depth will find the 155 lb rating at 450mm covers situations most economy slides simply will not.
A cabinet member is one half of the running system. You also need the matching LEGRABOX drawer member (the runner on the drawer side), the LEGRABOX side profiles in the corresponding height and length, front fixing brackets, and a back panel. All components must be 450mm nominal length and within the LEGRABOX system — components from TANDEMBOX or other platforms do not interchange.
It is built in. BLUMOTION soft-close is integrated into this LEGRABOX cabinet member — no separate damper is needed.
LEGRABOX uses its own steel side profiles rather than a wood drawer box, so the question of side thickness applies to the box bottom and back you supply, not to a wood side. Build the bottom and back to Blum's published cutting formula for the 450mm nominal length and the side height you choose.
LEGRABOX installs in both face-frame and frameless cabinets. Face-frame installations require rear mounting brackets specific to LEGRABOX — those are sold separately and are not interchangeable with brackets from other Blum series.
No. All components — cabinet member, drawer member, side profiles, and back — must be the same nominal length. Mixing lengths within one drawer will not work.
When the cabinet is shallow and the load is heavy, the 18 inch LEGRABOX cabinet member in zinc delivers full-extension access and built-in BLUMOTION damping at the capacity the platform is rated for — keeping your LEGRABOX build consistent from the shallowest drawer to the deepest.
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