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The Knape and Vogt 8850 FM series is a 26 inch full-extension side-mount ball bearing drawer slide rated 200 lb per pair, with an integrated soft-close damper that settles loaded drawers shut without slamming. This bulk-pack SKU is the zinc-finished version, suited to kitchen, pantry, shop, and commercial cabinet work where a high load rating and quiet close are both on the spec.
The 8850 FM earns its place anywhere a loaded drawer needs to close reliably and quietly. Heavy pots-and-pans drawers, deep pantry pull-outs stacked with canned goods, shop drawers carrying tools, and commercial cabinet work where daily use is constant — these are the applications where a 200 lb rating actually matters. The soft-close module is integrated into the slide body, so there is nothing separate to install or adjust; it works from the first cycle and keeps working through the test cycle count the series is built to.
The slide members are cold-formed steel with a zinc electroplate finish — the working standard for indoor side-mount ball bearing slides. Zinc is a functional finish: it protects the steel through years of indoor service and stays out of the way visually once the drawer is in place. The 8850 FM requires 3/4 inch of side clearance per side, which is wider than the 1/2 inch spec on standard KV cabinet slides — build the drawer box 1-1/2 inches narrower than the cabinet opening to account for both sides. This is the bulk-pack format, suited to shops and installers ordering in volume rather than single-pair retail bags.
Cabinet shops and contractors reach for this slide when the load calls for something beyond the standard 100 lb class. Kitchen renovations with deep, fully loaded base drawers, commercial build-outs, and pantry cabinetry are natural fits. Designers specifying handle-less fronts can pair it with a compatible push-to-open mechanism, but note that the soft-close feature and a plain mechanical push-to-open work in opposition on standard versions — confirm the intended configuration before ordering. The 26 inch length suits full-depth base cabinets and most pantry pull-out applications.
Yes. In face-frame construction, the back end of the slide needs rear support. Add the appropriate KV rear mounting brackets for the 8850 series, sold separately. In frameless cabinets the slide mounts directly to the cabinet side panel.
The 8850 FM's heavier profile and butterfly lever disconnect require more side clearance than a standard cabinet slide. Plan for 3/4 inch per side — meaning the drawer box is 1-1/2 inches narrower than the cabinet opening — and verify the drawer box width before building.
The soft-close damper is integrated and factory-set. No field adjustment is provided in the standard 8850 FM configuration.
Full extension means the drawer member travels approximately the full slide length, bringing the entire drawer box out past the cabinet face. The 26 inch figure is the closed slide length, not a travel distance — but on a full-extension slide, travel closely matches that length.
Extend the drawer fully, squeeze the butterfly lever on each slide, and the drawer members release so the drawer lifts free of the cabinet. No tools are needed.
The 8850 FM in zinc puts a 200 lb rated, full-extension, soft-close side-mount slide in a finish that works in any indoor cabinet — volume ordering in the bulk-pack format keeps the project moving without small-quantity friction.
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