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The Knape and Vogt 8900 series is a 30 inch, full-extension side-mount ball-bearing drawer slide rated at 500 lb per pair, finished in zinc for durable indoor service. It is the workhorse choice when the drawer carries serious weight and needs to open completely every time.
A 500 lb per pair capacity puts the 8900 series well above the standard kitchen cabinet range. That rating makes it the right call for shop cabinets storing heavy tooling, garage storage drawers loaded with hardware, utility workbenches, institutional casework, and any build where the weight of the drawer contents would quickly exceed what a 100 lb residential slide can handle. Full extension means the back of the drawer comes all the way out to the cabinet face — a practical requirement when you are reaching for something at the rear of a loaded shop drawer.
Zinc plating over steel is the standard corrosion-resistant finish for heavy-duty side-mount slides in indoor service. It is a functional finish, not decorative — it protects the steel members through years of use in garages, shops, and utility rooms. These slides are built for dry indoor environments; zinc plating resists everyday moisture exposure but is not rated for washdown or outdoor applications. For those environments, a stainless steel slide is the right choice. The 3/4 inch side clearance per side is wider than the half-inch standard on lighter slides, which is a normal trade-off for the heavier steel profiles required at this load class.
Cabinet shops outfitting their own production benches, contractors building utility storage, and serious woodworkers putting together shop furniture all land on the 8900 series when the load is the deciding factor. It is also a natural fit for institutional and commercial projects where drawers are heavily used and fully loaded day-in, day-out. The standard motion — no closing mechanism — suits tool and shop drawers that need to stay open hands-free while you work. Sold as a poly-pack pair, so the count you order is the number of drawers you can equip.
Per pair. Both slides together carry 500 lb — that is the working capacity for one drawer installation.
Yes. Full extension brings the entire drawer clear of the cabinet opening, so every inch of the interior is reachable.
Neither. Standard motion means the drawer rides freely on the bearings and stays wherever it is left — no damping, no self-close ramp.
This series requires 3/4 inch of clearance per side between the drawer box and the cabinet interior — wider than the 1/2 inch typical of lighter slides, so size your box accordingly.
Yes, but face-frame installation requires rear mounting support — rear brackets or sockets — to carry the back end of the slide where the face frame sets it away from the cabinet side. Plan for that hardware before ordering.
When the drawer is going to be heavy, fully loaded, and opened constantly, the 8900 series in zinc delivers the capacity, travel, and durability to keep it moving without compromise.
Sold In: 1 Set
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Set |  KV8900B-40 Mfr# 8900B 40 | KV 8900 40" Side Mount Full Extension 500 lb Ball Bearing Drawer Slide, Zinc, 8900B 40 |
