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This is a 36 inch full-extension side-mount ball bearing drawer slide from Knape and Vogt's 8908 series, rated 500 lb per pair in a zinc finish, with integrated hold-in and hold-out detents that lock the drawer in both the closed and open positions.
A drawer that carries this much weight has two problems at close and open: it can rebound off the cabinet face when pushed shut, and it needs to stay put when pulled open so both hands are free to work. The 8908 series addresses both with independent detents at each end of travel. In a machine shop, this is the toolbox drawer loaded with heavy wrenches and sockets that must not drift. In a warehouse or industrial cabinet, it is the parts bin that needs to stay open while stock is pulled and counted. On a workbench, it is the wide utility drawer that holds itself open without a foot or a prop. The 500 lb rating covers genuine bulk loads — the kind that exceed the capacity of any standard or medium-duty cabinet slide by a wide margin.
The slide members are cold-formed steel with a zinc electroplate finish. Zinc is the working standard for heavy-duty ball bearing slides used indoors: it resists everyday corrosion without the cost or maintenance of a coated or stainless finish. At this duty class the slide profile is necessarily taller and heavier than a standard kitchen slide, sized to handle the load on a 3/4 inch side clearance per side. The zinc finish blends into most painted or metal cabinet interiors and holds up through years of heavy cycling without a decorative function to maintain.
The 8908 series occupies a different class from standard 100 lb cabinet slides and KV's own 150 lb file slide line. At 500 lb per pair, it is the right call for industrial storage cabinets, heavy-duty workbench drawers, server and equipment racks, and any application where the load or the duty cycle would stress a lower-rated slide. The 36 inch length suits deep drawers in full-size shop cabinets and industrial casework. Because the slide requires 3/4 inch of side clearance per side — 50 percent more than the 1/2 inch standard for lighter slides — build the drawer box 1-1/2 inches narrower than the cabinet opening rather than the usual 1 inch. In face-frame cabinets, the slide will need rear support; verify the appropriate rear bracket for this series before ordering. The slide is sold as a bulk-pack pair.
They are two separate mechanical catches. The hold-in detent keeps the drawer shut when closed — it stops the drawer from bouncing back open after a firm push. The hold-out detent holds the drawer in the fully open position until pushed closed. Neither detent is a lock or a damper; the drawer releases with normal hand force in each direction.
No. The 8908 series has no damper and no self-close spring. The drawer stays where it is left. The detents hold the positions mechanically, but closing is not softened or assisted.
Yes. Most side-mount ball bearing slides call for 1/2 inch per side, letting you build the box 1 inch narrower than the opening. This slide needs 3/4 inch per side, so the box should be 1-1/2 inches narrower than the cabinet opening. Account for this before cutting the drawer sides.
No. The 8908 is non-handed — both slides in the pair are identical and fit either side of the drawer without modification.
Face-frame cabinets set the cabinet side back from the opening, so the rear end of the slide needs support. Verify the correct rear mounting bracket for this series before ordering; brackets for heavy-duty slides are series-specific and usually sold separately.
When the load is real, the drawer is deep, and both positions need to hold, the KV 8908 series in zinc delivers a 500 lb rated, full-extension side-mount slide with the detents that demanding applications require.
Sold In: 1 Each
