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The Knape and Vogt GSlide 18-inch undermount drawer slide delivers full extension and soft-close action for drawer boxes with sides as thin as 1/2 inch, a spec that suits plywood, veneered panels, and production drawer stock where 5/8-inch thickness is the upper limit and thinner sides are common. Roller bearings carry the drawer smoothly on a concealed undermount track, and the integrated soft-close damper settles the drawer silently at the end of travel.
Most undermount slides are engineered around 5/8-inch or 3/4-inch drawer sides, and a thinner box simply will not seat correctly on a slide built for thicker stock. This GSlide accepts sides from 1/2 inch up to 5/8 inch, which opens the product to drawer boxes built from lighter plywood, economy MDF panels, and thinner veneer core stock. If the shop runs 1/2-inch drawer sides as a standard, this is the spec to match — the locking device and seating geometry are built for that range. Shops running 3/4-inch sides should select the appropriate 3/4-inch version of this slide family instead.
The slide suits both face-frame and frameless cabinet construction. In a frameless cabinet, the slide mounts directly to the flat interior panel. In a face-frame cabinet, the rear of the slide needs support from rear mounting brackets — those brackets are sold separately and are series-specific, so confirm the right bracket before the install.
Because the slide mounts beneath the drawer box, nothing but the drawer front is visible when the drawer is open. The roller bearing system keeps the motion smooth through the full 18-inch travel, and soft-close engages automatically at the end of the closing stroke. The 75-pound capacity per pair handles a well-loaded kitchen or bath drawer without strain. This is a passive soft-close mechanism — no power supply, no external damper to add later, and no adjustment required after installation. The soft-close function is built into the slide at the factory.
For a custom cabinet shop running production drawers, this slide covers the face-frame and frameless jobs in one SKU while accommodating the thinner drawer stock that speeds up box construction. For a finish carpenter or installer fitting kitchen or bath cabinets on site, the concealed profile and automatic soft-close mean the drawer works correctly the first time the front goes on — no visible hardware to explain to the homeowner and no damper to retrofit. Homeowners handling a DIY vanity or kitchen renovation get a slide that installs in standard cabinet openings and closes quietly once it is set up to the drawer box specification.
The slide itself fits face-frame cabinets, but the rear end needs support that the face-frame construction does not provide on its own. Rear mounting brackets are required for face-frame installs — order the series-matched brackets separately before the job.
No. This version is sized for 1/2- to 5/8-inch drawer sides. Using it with 3/4-inch sides will prevent the drawer box from seating correctly on the locking devices. Select the 3/4-inch version of this slide family for that application.
This is a full-extension slide: the drawer travels approximately the full slide length, bringing the entire drawer box out to the cabinet face. The full drawer interior is accessible at full open.
The soft-close damper is built into the slide — there is nothing to add and nothing to adjust. It engages automatically as the drawer closes.
The slide is rated at 75 lb per pair. That is the working capacity for a pair of slides installed under one drawer — not per individual slide.
The 18-inch GSlide undermount handles the thin-sided drawer boxes that most undermount slides do not — and it delivers full extension and factory-integrated soft-close in the same package, so the drawer works and closes quietly without extra components or post-install adjustments.
Sold In: 1 Set
