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This is the left-hand cabinet member from Knape & Vogt's 8500 series, a 20 inch full-extension ball bearing file drawer slide component rated 150 lb per pair. It mounts to the left interior wall of the cabinet and is the half of the slide system that stays fixed in the cabinet when a drawer is removed.
The KV 8500 series was developed for file and lateral drawers that demand more than a standard kitchen slide can offer. At full extension, the entire drawer box clears the cabinet opening — every hanging folder in the rear is reachable without pulling the drawer off its slides. The hold-in detent is there for one specific reason: a drawer loaded with file folders generates real momentum when closed firmly, and without a detent it rebounds. This component stops that. It is not a soft-close damper and it provides no spring assist — the drawer stays exactly where you leave it until you pull it open.
The cabinet member is cold-formed steel with a zinc electroplate finish. Zinc provides reliable indoor corrosion resistance and is the practical standard for a side-mount slide that sits beside the drawer box, mostly out of view. The ball bearings run in formed steel raceways for the full length of the slide, giving consistent load distribution through the slide's travel.
This left-hand cabinet member is one of four parts needed for a single file drawer installation in the 8500 series: one left-hand cabinet member, one right-hand cabinet member, and two drawer members. This Q-Pack format is designed for shops and contractors ordering component quantities rather than a pre-matched pair. The 8500 series suits drawers up to 36 inches wide and is sized for the 1/2 inch side clearance that is standard in this segment, so the drawer box is built 1 inch narrower than the cabinet opening. In face-frame cabinets, rear mounting brackets are required to support the back of the slide — those are sold separately and are series-specific to the 8500 line. The 32mm hole pattern on the cabinet member drops straight onto a line-bored frameless panel without layout work.
This is the left-hand cabinet member only — one piece. To complete one file drawer, you also need one right-hand cabinet member and two drawer members from the same series.
No. The hold-in anti-rebound detent is a mechanical catch that keeps the drawer closed and prevents bounce-back. There is no damper and no spring — it holds, it does not slow the close.
Yes, but face-frame installations require rear mounting brackets to support the back of the slide. Those brackets are sold separately and must match the 8500 series.
Knape & Vogt recommends a maximum drawer width of 36 inches for the 8500 series full-extension cabinet member.
The 8500 series file slide uses separate handed cabinet members; the drawer members are non-handed. Order one left and one right cabinet member, plus the quantity of drawer members your project requires.
When the drawer is wide, the load is real, and the contents need to be fully accessible, the 8500 series left-hand cabinet member gives the left side of that installation its backbone — rated load, full travel, and a detent that keeps it closed until you need it open.
Sold In: 480 Each
