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The Knape and Vogt 8500 Series 22 inch full-extension ball bearing drawer slide is a 150 lb class side-mount slide built for file drawers, lateral cabinets, and heavy storage drawers that outpace what a standard 100 lb cabinet slide can handle. It ships in a Bulk-Pack, making it the practical choice for shops and contractors outfitting multiple drawers at once.
A drawer full of hanging files, heavy-gauge fasteners, or shop tools can push past the 100 lb ceiling of a standard cabinet slide without the buyer noticing until the slide labors or the bearing race deforms. The KV 8500 series is built for that load class — KV recommends it for drawers up to 36 inches wide, which covers most lateral file and wide utility applications. The hold-in anti-rebound detent is especially useful here: a heavy drawer pushed shut with some force would ordinarily bounce back open; the detent catches it and holds it in place until intentionally pulled. There is no spring assist and no damper, just a positive mechanical catch that does its job without adding complexity.
The slide members are cold-formed steel with a zinc finish — the same functional, corrosion-resistant surface that has made zinc the standard for side-mount ball bearing slides in indoor cabinetry. Zinc is not a decorative coating; it protects the steel through years of cycling in a shop, office, or storage environment without calling attention to itself beside the open drawer. This is an indoor application finish; it is not rated for wet, exterior, or washdown environments.
Cabinet shops running lateral file cabinets, office furniture builders, and contractors specifying heavy-duty storage casework all reach for the 8500 series when the load exceeds the standard class. The Bulk-Pack format suits that volume: loose in a carton, priced for quantity, without individual retail bags adding cost. The 1/2 inch side clearance per side matches the standard side-mount footprint, so the 8500 drops into the same layout as a 100 lb slide without rebuilding the drawer box — just confirm the box is built to handle 150 lb of contents. The non-handed design means every slide in the carton is interchangeable, which simplifies both ordering and assembly-line installation.
No. Twenty-two inches is the closed length of the slide. Because this is a full-extension model, the drawer member travels approximately the full slide length, bringing the entire drawer out to the cabinet face — but slide length and travel distance are separate specs.
No. The hold-in anti-rebound detent is a mechanical catch that keeps the drawer closed and stops it from rebounding after a firm push. There is no damper and no spring pull — the drawer stays put until you pull it open. Soft-close requires a separate damped mechanism, which this slide does not include.
No. The 8500 series is non-handed — both slides in a pair are identical. Every slide in the Bulk-Pack carton fits either side of any drawer.
Yes, but face-frame construction requires rear support at the back of the slide. Add the matching KV rear mounting brackets for the 8500 series, sold separately. The brackets are series-specific and are not interchangeable with brackets from other slide lines.
The 8500 series uses KV's quick-disconnect drawer members. Extend the drawer fully and lift the front of the drawer member off the cabinet rail — no tools required.
When the job calls for a slide that handles real file-drawer loads, stays closed without bouncing, and installs the same way on every side of every drawer, the KV 8500 series in the Bulk-Pack format keeps the work moving from the first drawer to the last.
Sold In: 20 Each
