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The Fulterer 7903 is a 20 inch full-extension undermount drawer slide with integrated soft-close, rated 150 lb per pair and finished in zinc — built for drawers that carry real weight and need to close quietly every time.
At 150 lb per pair, this is a heavy-duty undermount by any measure — well past the 90 to 110 lb ceiling of most premium concealed slides. That capacity makes it the right call for drawers doing serious work: deep pot drawers loaded with cast iron, waste and recycling pull-outs with multiple bins, pantry base drawers stacked with canned goods, or shop-furniture drawers carrying hand tools. The 20 inch length suits standard kitchen and shop base-cabinet depths, and full extension means the whole drawer comes out so rear contents are always accessible. If a project calls for a concealed slide and the load numbers push past what standard lines can handle, this is where the spec lands.
The 7903 is built from steel with a zinc finish — a practical, corrosion-resistant choice for indoor cabinetry where the slide stays hidden beneath the drawer box. The roller-bearing carriage keeps travel smooth under load without the cost of a full ball-bearing race. What sets the closing behavior apart is the progressive-action mechanism: rather than a simple damper that kicks in at the last inch, the progressive system modulates resistance across the closing stroke, so the drawer slows and settles in a way that feels deliberate. For high-use drawers carrying heavy contents, that consistency matters more than a basic soft-close catch.
Cabinet shops building kitchen or utility furniture where drawer loads regularly exceed 100 lb will find the 7903 fills a gap that standard undermount lines leave open. It also suits designers specifying concealed slides in commercial or semi-commercial kitchens — catering prep areas, shared office kitchenettes, or residential kitchens with oversize pull-outs — where a clean look matters and the load demands a heavier runner. Because the slide is fully concealed, the zinc finish is never visible in use, so finish selection comes down to availability and shop preference rather than appearance.
Drawer side thickness compatibility is not confirmed in the available product data. Contact the sales team before building your boxes to confirm whether this slide is engineered for 5/8 inch (16mm) sides, 3/4 inch (19mm) sides, or a range that covers both.
Cabinet construction compatibility is not specified in the available data. Face-frame installations typically require series-specific rear mounting brackets; confirm with Fulterer or the sales team whether the 7903 has a face-frame version or compatible rear bracket before ordering for that application.
The product data does not confirm whether locking devices are included or sold separately. Verify this before placing your order so you have everything on hand for installation.
The sold-as unit is not explicitly confirmed in the available data. The 150 lb capacity is stated per pair, which is standard for this category. Confirm the pack unit at checkout or with the sales team before ordering to avoid a short shipment.
A standard soft-close damper typically engages in the final inch or two of travel. The 7903's progressive-action mechanism modulates resistance across a longer portion of the closing stroke, producing a more gradual deceleration. The result is a controlled, consistent close that works well on heavy drawers where a short-engagement damper can still allow a firm impact before it catches.
The Fulterer 7903 is the undermount to reach for when standard-capacity concealed slides are not enough — 150 lb of full-extension, soft-close capacity in a zinc-finished steel runner that stays hidden and keeps working.
Sold In: 1 Pair