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This Hettich Quadro Locking Device Set pairs a left-hand and right-hand front clip with a spacer, fastening the drawer front to a Quadro undermount runner system on drawer boxes built with 5/8 inch sides.
Front locking devices are the critical last step in any undermount drawer installation: they lock the drawer box onto the runners at the front and transfer the drawer front's weight into the slide system. This set fits Hettich Quadro runners specifically. The black finish makes it a natural match for frameless cabinetry with dark interiors, concealed undermount hardware, and contemporary handle-less fronts where the clip is occasionally visible during adjustment. The 2 mm height adjustment range handles the small alignment corrections that come up after all four drawers in a stack are hung — moving a front up or down without disturbing the runner mounting.
The clips and spacer are molded in black plastic. Plastic locking devices are the standard choice for Quadro installations: they are light, dimensionally stable, and corrosion-resistant inside a cabinet. The Matte Black color coordinates with black-finished Quadro runners and dark cabinet interiors without standing out if the drawer is opened fully. This is an interior component — it lives inside the cabinet and is not exposed to moisture or cleaning chemicals in normal use.
Cabinet shops running Hettich Quadro undermount slides on 5/8 inch drawer boxes will need this locking device set for every drawer in the project. Installers doing service work on existing Quadro installations — replacing a damaged clip or completing a set that arrived short — will find the matched left-right pair useful so only one SKU needs to be ordered. Designers specifying Quadro for a contemporary black-interior kitchen or furniture piece can call out this finish to keep the hardware palette consistent throughout the cabinet.
Yes — the set contains the left-hand clip, the right-hand clip, and the spacer. Screws or other fasteners for mounting to the drawer front may need to be sourced separately; check the Quadro installation manual for the specified fastener.
This set is designed for the Hettich Quadro series. Quadro locking devices are version-specific within the Quadro family — confirm the runner version in your cabinet before ordering, as V6 and earlier variants use different clip geometries.
No. This locking device is engineered for 5/8 inch (approximately 16 mm) drawer sides. Using it with thicker stock will seat the clip incorrectly and compromise the drawer front's alignment and retention.
The 2 mm of height adjustment handles fine-tuning after initial hang — closing small gaps or correcting a slight tip. Larger misalignments usually point to a runner mounting issue that needs to be corrected at the runner, not at the clip.
A Quadro drawer system is only as precise as its locking devices — this Black set gives Quadro installations on 5/8 inch boxes the matched pair and spacer needed to seat the front correctly and hold the adjustment once it is set.
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