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This 22 inch full-extension ball bearing file drawer slide from Knape and Vogt's 8500 series is engineered for loaded file and lateral drawers, carrying 150 lb per pair while a hold-in anti-rebound detent stops the drawer from bouncing back open every time it is pushed shut.
A standard 100 lb kitchen cabinet slide is not sized for a drawer packed with letter- or legal-weight hanging files. The 8500 series steps up to the 150 lb class specifically for that application: office file pedestals, lateral filing cabinets, and heavy storage drawers where the load at full open puts real stress on the rails. The 22 inch length suits deeper cabinet boxes and full-size lateral file builds. At full extension, the entire drawer clears the opening so the back row of folders is as easy to reach as the front.
Cold-formed steel members run on progressive ball bearings through their full-length raceways. The zinc finish is the working standard for indoor steel slide hardware — it resists corrosion through daily cycling without requiring any maintenance. This is a functional finish on hardware that sits beside the drawer box; it is not a decorative or stainless coating, and it is not rated for wet or exterior environments.
Cabinet shops building office furniture and filing systems specify the 8500 series when the drawer contents will actually weigh something. The hold-in anti-rebound feature matters in office settings where a heavy drawer, closed with some force, would otherwise rebound and stand partially open. This SKU ships as a Bulk-Pack, making it the practical choice for shops building multiple file pedestals or lateral cabinets in a single run. The 1/2 inch side clearance per side matches the same clearance standard as the rest of the KV 8500 line, so drawer box sizing stays consistent across the build.
No. The hold-in anti-rebound detent is a mechanical catch that keeps the drawer from bouncing back after it is pushed shut. There is no damper and no spring assist — the drawer does not slow down as it closes. Soft-close uses a damper to control the last inch of travel; this slide does not have one.
Knape and Vogt recommends a maximum drawer width of 36 inches for the 8500 series full-extension model. For wider drawers or applications where over-travel is needed, the 8505 variant is the appropriate step up.
No. The 8500 series is non-handed — both slides in the pair are identical, and either one fits either side of the drawer. Order the quantity that matches your drawer count.
Side-mount slides need rear support in face-frame construction because the cabinet side is set back from the face frame. Add the matching KV rear mounting brackets for face-frame installs; they are sold separately and are series-specific.
The 8500 series uses KV's quick-disconnect drawer members. Extend the drawer fully and lift — the drawer member releases from the cabinet member without tools.
When the application is a file drawer and the load is real, the 8500 series at 22 inches delivers the capacity, extension, and stay-closed reliability that standard cabinet slides cannot match.
Sold In: 5 Set
