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The Knape & Vogt 8505 series is a 26 inch side-mount ball bearing file drawer slide rated 150 lb per pair, with 1 inch of over-travel beyond full extension and a hold-in anti-rebound detent that keeps the drawer from bouncing back open. It is designed for file and lateral drawers where standard 100 lb cabinet slides fall short and where a countertop overhang or deep face frame cuts into usable drawer travel.
A standard full-extension slide brings the drawer to the cabinet face and stops. Under a countertop overhang or behind a thick face frame, that stopping point is still inside the work zone, and the rearmost hanging files stay out of easy reach. The 8505 series pushes the drawer member 1 inch past that point, giving a noticeably cleaner line of sight and hand access to the back of the drawer. That extra inch matters most in lateral file installations below standard-depth countertops and in face-frame casework where the frame eats into the opening. The 26 inch slide length suits deeper file pedestals and full-depth office cabinet runs — KV recommends this series for drawer widths up to 30 inches at this length.
The 8505 series is cold-formed steel with a zinc finish — the standard for side-mount ball bearing slides working in dry indoor environments. Zinc provides functional corrosion resistance for office, shop, and cabinetry installs. The members are sized for file-class loads: the profile is taller than a standard cabinet slide, and the 3.79 inch height including the quick-disconnect rail reflects the heavier construction. This is not a decorative finish and the slide is not concealed — it sits beside the open drawer box — but neither is visible once the drawer is closed.
Choose the 8505 series when two conditions converge: the drawer load exceeds what a 100 lb cabinet slide handles safely, and the installation has an overhang or deep frame that makes standard full extension insufficient. Office file pedestals, lateral file towers, deep storage cabinets, and worktop-height shop drawers are the natural fits. The 1/2 inch side clearance per side is the same as the standard 8400 series, so existing drawer box dimensions transfer directly when upgrading a file position from a lighter slide. This SKU ships as a poly-pack — one pair per pack with mounting hardware included — and the 32mm hole pattern aligns with both frameless and face-frame installations; in face-frame cabinets, add the matching KV rear mounting brackets sold separately.
The 26 inch figure is the closed slide length. This is an over-travel model, so the drawer member extends the full slide length plus 1 additional inch past the cabinet face — travel and slide length are two different measurements.
No. The hold-in anti-rebound detent is a mechanical catch that keeps the drawer closed and prevents it from bouncing back open. There is no damper and no spring pull — the drawer stays where it is left and releases with a normal pull.
KV recommends a maximum drawer width of 30 inches for the 8505 series at this length.
No. The slide is non-handed — both pieces in the pair are identical and fit either side of the drawer.
The slide mounts directly in frameless cabinets on the 32mm hole pattern. In face-frame construction, the back of the slide needs support — add the KV series rear mounting brackets, sold separately, to complete the install.
No. The 8505 adds 1 inch of over-travel beyond the cabinet face; the 8500 is full extension only. The two series share the 150 lb class and hold-in feature, but differ in travel and maximum recommended drawer width — the 8500 goes up to 36 inches wide, the 8505 is rated to 30 inches.
When the drawer is heavy, the run is deep, and an overhang stands between the user and the back of the file, the 8505 series covers all three problems in one pair of slides.
Sold In: 1 Set
