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The Knape and Vogt 8150 Series is a 14 inch side-mount ball bearing keyboard slide designed for keyboard trays, pull-out writing surfaces, and work platform extensions that need to stay put when open and stay closed when not in use. Rated 75 lb per pair and finished in zinc, it is a practical fit for built-in desks, workstations, and home office cabinetry.
A keyboard tray is pulled open dozens of times a day and pushed back in just as often. The 8150's combined hold-in and hold-out detents address both directions: the hold-out keeps the tray extended and steady at full open while you type, and the hold-in prevents it from drifting or bouncing back open after you push it closed. That two-direction detent behavior is what separates a keyboard-specific slide from a standard utility drawer slide used in the same opening.
The 3/4 extension suits the typical keyboard tray depth. A full-extension slide would require additional clearance at the rear of the desk carcass; here the tray advances to a comfortable working position without that extra depth demand. For built-ins where cabinet depth is limited, that trade-off is intentional.
The 8150 is cold-formed steel with a zinc finish — the standard protective coating for side-mount ball bearing slides in interior applications. Zinc handles the humidity and daily contact of an office environment without the added cost of a decorative or painted finish. Because the slides sit under the tray and are largely hidden in use, the functional zinc is the right specification for most desk builds. For installations where the slide faces are visible, consider whether the finish matches your cabinet interior or whether a painted option fits better.
Cabinet shops building home office or built-in desk pieces will find the 8150 a reliable default for keyboard and writing surface pull-outs. The poly-pack format suits shop quantities without the bulk of a full case. Interior designers specifying home office millwork can call out the 8150 series by name for a 14 inch tray depth on a 75 lb-rated slide. Homeowners adding a pull-out keyboard shelf to existing cabinetry get a non-handed slide they can install without sorting left from right, on 1/2 inch of side clearance per side.
No. The 8150 uses mechanical detents, not a damper. The hold-in detent keeps the tray closed and the hold-out detent holds it open — neither slows or softens the travel the way a damped soft-close slide does.
This is a 3/4 extension slide, so the tray advances roughly 10 to 11 inches from the closed position — not the full 14 inch slide length. Plan the tray position and face-frame clearance around that travel distance, not the slide length.
The 8150 uses the standard 1/2 inch per side clearance of the KV ball bearing line. Build the keyboard tray box 1 inch narrower than the opening width to leave that clearance on each side.
It can, but face-frame construction sets the cabinet side back from the frame, so the back end of the slide needs rear support. Add the matching KV rear mounting brackets — sold separately — to support the slide properly in a face-frame opening.
The poly-pack contains one pair of slides. Both pieces are identical — the non-handed design means one part covers both sides of the tray.
The KV 8150 Series in zinc gives desk and office cabinet builds a slide that stays where it is put, opens smoothly every time, and fits the standard 1/2 inch clearance format without any special dimensioning.
Sold In: 1 Set
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1000 Each |  WW45560 Mfr# 3670000046961 1000 | Würth #8 x 5/8" Pan Head Hinge and Drawer Slide Installation Screw Phillips Drive - Type 17 Auger Point Coarse Thread Zinc, 3670000046961 1000 - 1000/Box |
