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This white plastic rear mounting socket from the Grass Express program gives Express concealed drawer slides a secure, screw-on anchor point at the back of the cabinet — an essential component when installing Express slides in face-frame cabinets or any application where the rear of the slide needs independent wall support.
In a frameless cabinet, Express slides often mount directly to the side panel from front to back. In face-frame construction — or in any cabinet where the slide's rear end cannot reach the side panel — the rear mounting socket bridges the gap. It fastens to the cabinet back wall with screws, cradles the rear end of the Express slide, and holds the slide level and parallel to the drawer's travel path. Without a properly seated rear socket, the slide can droop at the back, creating bind or preventing the drawer from seating correctly in its locking device. This socket is the part that keeps the rear end of the slide exactly where it needs to be throughout the life of the installation.
The socket is molded from plastic and finished in white — the same color family as white-epoxy Euro slides and white melamine cabinet interiors. Plastic is a deliberate material choice here: it is light, non-corrosive, and dimensionally stable in typical indoor cabinet environments. The white finish is a cabinet-interior color, not a decorative exterior finish, so it is meant to disappear once the drawer is in place. For installations with dark or natural-wood interiors, check whether a different finish variant suits the job better.
Cabinet shops running Express-slide programs order rear mounting sockets whenever face-frame construction is in the mix — or whenever a cabinet's interior depth or panel layout does not allow the rear of the slide to bear directly on the side panel. Because the socket is non-handed, a single stock item covers both sides of every drawer in the run, which simplifies ordering and reduces the chance of a handed-part mismatch. Designers and contractors specifying Grass Express slides for a kitchen or bath remodel should include rear sockets in the hardware schedule any time the cabinet construction calls for rear support.
No. Rear mounting sockets are engineered to match the specific rail geometry of their slide series. This socket is made for the Grass Express program; it is not compatible with Dynapro, Elite Plus, Maxcess, or other Grass slide families.
One socket supports one slide member — so a standard two-slide drawer installation requires two sockets, one at the rear of each slide. Because the socket is non-handed, both sockets are the same part.
It can, but rear sockets are typically needed only when the slide cannot bear fully on the cabinet side panel — the most common situation being face-frame construction. In a standard frameless cabinet where the slide runs panel-to-panel, a rear socket may not be required. Confirm the Express installation requirements for your specific cabinet depth before specifying.
Rear mounting sockets are sold separately. Express slides are purchased on their own, and you add rear sockets to the order based on your cabinet construction — so shops that build only frameless work may not need them at all, while face-frame shops typically add them to every Express slide order.
A rear mounting socket is a small part with an outsized effect on how an Express slide performs over time. Ordering the right socket for your cabinet construction now avoids a second trip to the supply house mid-install.
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