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The Knape & Vogt 8500 Series 24 inch full-extension side-mount ball bearing slide is rated 150 lb per pair and designed specifically for loaded file and lateral drawers. The hold-in anti-rebound detent keeps the drawer firmly closed after a firm push — no bounce-back, no drift.
Standard 100 lb cabinet slides are undersized for a full lateral file drawer. A drawer packed with hanging folders, binders, or heavy documents can easily approach or exceed that threshold, and a slide at its limit wears faster and rides less smoothly. The 8500 Series steps up to 150 lb per pair, which keeps the drawer operating as intended through years of daily cycling. The hold-in anti-rebound detent is equally practical in this context: a loaded file drawer closed with momentum has real rebound potential, and the detent eliminates it without adding a closing spring or damper. This is a stay-closed feature, not a self-close or soft-close mechanism — the drawer stays put until pulled.
The slide members are cold-formed steel with a zinc finish, the standard corrosion-resistant treatment for side-mount ball bearing hardware used in dry indoor environments. Zinc protects the steel through years of office or shop service and keeps the slides operating cleanly without ongoing maintenance. The finish is functional rather than decorative — the slide sits beside the drawer box and is mostly out of sight when the drawer is closed.
Cabinet shops building office furniture, lateral file cabinets, and heavy storage drawers reach for the 8500 Series when the 100 lb class is not enough. Office furniture manufacturers and contractors fitting out commercial spaces specify it for file drawer banks where drawer weight is a real variable. The 24 inch length suits standard lateral file drawer depths. KV recommends a maximum drawer width of 36 inches for this series, so it covers both standard and wide lateral file configurations. The slide mounts on the industry-standard 32mm hole pattern, and the 1/2 inch side clearance requirement is identical to the standard KV 8400 series, making it a straightforward upgrade in existing cabinet designs. In face-frame cabinets, add the matching KV rear mounting brackets, sold separately — the back of the slide needs support in face-frame construction.
No. The detent is a mechanical catch that holds the drawer closed and prevents rebound — there is no damper and no spring. The drawer does not slow as it closes; it simply stays put once it is shut.
No — 24 inches is the closed length of the slide. Because this is a full-extension design, the drawer member travels approximately the full slide length, bringing the entire drawer out to the cabinet face. Slide length and travel are two separate facts.
No. The 8500 Series is non-handed — both slides in the pair are the same part, and each one fits either side of the drawer.
Poly-Pack means the pair arrives polybagged together with mounting hardware — one pair per bag, ready for the bench.
The slide itself installs the same way, but face-frame construction sets the cabinet side back from the front frame, leaving the rear of the slide unsupported. Add the matching KV rear mounting brackets — they are series-specific and sold separately — to support the back end properly.
When the drawer is a lateral file or heavy storage unit that gets opened and closed all day, the 8500 Series handles the load and keeps the drawer where you leave it — closed until pulled, open all the way when needed.
Sold In: 1 Set
