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The Knape and Vogt 8850 series is a 22 inch full-extension side-mount ball bearing drawer slide rated 200 lb per pair, with an integrated Force Management soft-close damper that settles heavy drawers quietly. The zinc finish makes it the workhorse choice for shop builds, utility cabinets, and any installation where the hardware stays behind the drawer front and durability matters more than color.
Most kitchen and office drawers top out well under 100 lb, but the loads that push past that threshold show up regularly: a garage cabinet stocked with hand tools, a utility room drawer holding bulk hardware, a shop bench with heavy jigs, or a pantry pull-out loaded with canned goods. The 8850 series is sized for those jobs. Full extension means the entire drawer comes out to the cabinet face — nothing stays hidden at the back — and the Force Management damper handles the extra inertia of a heavy load so the drawer closes quietly rather than slamming. The 3/4 inch side clearance requirement per side is wider than the standard 1/2 inch found on lighter slides, so build the drawer box accordingly: subtract 1-1/2 inches from the cabinet opening width rather than the standard 1 inch.
The slide members are cold-formed steel with an electroplated zinc finish. Zinc is the category standard for indoor corrosion resistance on ball bearing drawer slides — it is a functional, protective finish, not a decorative one. It holds up to the humidity and temperature swings common in garages, utility rooms, and shop spaces without rusting under normal indoor conditions. The zinc finish keeps the slide neutral and unobtrusive beside any cabinet interior color. This is not a stainless finish and is intended for indoor installations only.
The 8850FM in zinc is a practical fit for cabinet shops and contractors building high-use utility and storage cabinets in volume. The Bulk-Pack format supports production runs — order the quantity the job requires without retail-pack overhead. Homeowners spec'ing a heavy pantry pull-out, garage cabinet, or workshop bench drawer will also find the 200 lb rating and soft-close damper worth the step up from a standard-class slide. The non-handed design and lever disconnect keep the install straightforward even when working through a stack of cabinets.
Yes. This series requires 3/4 inch of side clearance per side, compared to the 1/2 inch standard on the 8400 series. Build the drawer box 1-1/2 inches narrower than the cabinet opening, not 1 inch.
Per pair. A pair of 8850FM slides — one on each side of the drawer — carries the 200 lb load together. Do not double that number by counting each slide separately.
It is built in. The Force Management damper is integrated into the slide; there is no separate clip or module to add.
No. The 8850FM is non-handed — both slides in the pair are identical and either one fits either side of the drawer.
It can, but face-frame construction requires rear mounting support at the back of the slide. Rear mounting brackets for this series are sold separately; confirm the bracket is compatible with the 8850 series before ordering.
The KV 8850FM in zinc delivers the load capacity and closing performance that high-use drawers demand, packaged for the shops and contractors who install them in volume.
Sold In: 1 Set