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The Knape and Vogt 8505 series is a 24 inch side-mount ball bearing file drawer slide rated 150 lb per pair, built for lateral files, heavy storage drawers, and any application where the drawer needs to clear a countertop overhang. Its 1 inch over-travel carries the drawer past the cabinet face, and a hold-in anti-rebound detent keeps it firmly closed between uses.
Standard full-extension slides stop at the cabinet face — useful, but not enough when there is a countertop overhang or a deep face frame in the way. The 8505's 1 inch over-travel pushes the drawer member that extra distance so the rear hanging files come within reach instead of staying buried. Lateral files and deep storage drawers under heavy workbenches are the natural home for this slide. The 150 lb class rating accommodates a full lateral drawer without pushing the slide beyond its working capacity.
The slide is formed from steel and finished in zinc, the standard corrosion-resistant coating for indoor side-mount hardware. Zinc protects the steel members through years of daily cycling in an office or shop environment. This is a functional, largely hidden finish — the slide sits alongside the drawer box and the finish keeps it serviceable, not decorative.
Choose the 8505 when two conditions are true: the drawer carries file-weight loads beyond what a standard 100 lb cabinet slide should handle, and the drawer sits under an overhang that would block rear access on a plain full-extension slide. Office lateral file banks, plan drawers under workbench tops, and heavy-duty shop storage drawers are all solid applications. This is a Bulk-Pack SKU, so it suits shops and contractors ordering in volume for a project or restocking a van. The slide requires 1/2 inch of side clearance per side, so the drawer box is built 1 inch narrower than the cabinet opening. In face-frame cabinets, the back end of the slide needs support — add the series-matched KV rear mounting brackets, sold separately.
The 8505 is an over-travel slide — the drawer member travels 1 inch past the slide's 24 inch nominal length. That means the drawer clears the cabinet face by a full inch, giving access past a countertop lip or deep frame.
No. The hold-in anti-rebound detent is a mechanical catch that keeps the closed drawer from bouncing back open. There is no damper and no spring — the drawer stays where it is put until pulled open.
No. The 8505 is non-handed — both slides in a pair are identical and either one fits the left or right side of the drawer.
Knape and Vogt recommends a maximum drawer width of 30 inches for the 8505 series. For wider drawers in the same duty class, the full-extension 8500 supports up to 36 inches.
Yes. Side-mount slides need support at the rear in face-frame construction. Use the series-matched KV rear mounting brackets, which are sold separately and are not interchangeable with other brands' bracket systems.
When the drawer has to clear an overhang and carry a real load, the 8505's combination of 1 inch over-travel and 150 lb class rating removes both constraints at once — without changing mount position or clearance requirements.
Sold In: 5 Set
