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The Knape and Vogt 8900 Series is a 14 inch full-extension side-mount ball bearing drawer slide rated at 500 lb per pair, finished in zinc for long-term indoor service. It is the right choice when standard 100 lb cabinet slides are nowhere near enough and the job calls for a slide that can carry real structural weight without fuss.
Most drawers never approach 100 lb, but some do. Shop tool carts, server infrastructure drawers, heavy-duty workbench pull-outs, and commercial-grade storage units all present loads that would immediately overstress a standard cabinet slide. The 8900 Series is built for exactly those applications. Full extension means the entire drawer clears the face of the cabinet, so even the heaviest contents at the back are accessible without reaching in blind. Because the motion is standard — no self-close, no soft-close, no detent — the slide puts no mechanical resistance in front of loads that would overwhelm a spring or damper anyway.
The 8900 Series is formed from steel throughout, with a zinc electroplate finish that provides standard indoor corrosion protection. Zinc is the workhorse finish in this class: it handles humidity, grime, and the daily contact of a working drawer environment without peeling or rusting under normal indoor conditions. The finish is functional rather than decorative — these slides sit alongside the drawer box, largely out of sight, doing structural work. Note that zinc plate is an indoor finish and is not rated for wet, marine, or exterior applications.
The 8900 Series is sized at 14 inches and requires 3/4 inch of side clearance per side, so the drawer box should be built 1-1/2 inches narrower than the cabinet opening to accommodate both slides. The non-handed design simplifies installation — no left or right to track. In face-frame cabinets, rear mounting support is needed at the back of the slide; confirm bracket compatibility with the 8900 Series before ordering. This SKU ships as a Bulk-Pack, loose in a carton, which suits shops and contractors pulling multiple pairs for a run of heavy-duty drawers.
Per pair. One pair of 8900 Series slides — one on each side of the drawer — carries 500 lb together. Do not double the number by counting each slide separately.
No. The 8900 Series uses standard motion: no self-close spring, no soft-close damper, and no hold-in detent. The drawer stays open or closed wherever it is left.
The 8900 Series is a heavier-built slide with a wider profile than a standard cabinet-class ball bearing slide. The extra clearance is required by the slide's construction — build the drawer box accordingly.
No. The 8900 Series is non-handed, so both slides in a pair are identical. Order the quantity you need without worrying about handedness.
Yes, but face-frame installations require rear mounting support at the back of the slide. Confirm that the rear bracket you plan to use is compatible with the 8900 Series before you begin the install.
When the drawer needs to move 500 lb and stay put, the 8900 Series in zinc delivers that capacity in a full-extension, side-mount package that installs like any other ball bearing slide — just with the clearance and structural backing the load demands.
Sold In: 1 Set
