Knape and Vogt 20 inch over travel drawer slides 8815 Series provide a side mount ball bearing slide designed for drawers carrying heavy loads. The slide is recommended for drawers up to 42 inches wide, so it handles wide drawer applications in cabinetry or casework that need solid support. A 200 lb load rating, as stated in the description, means the slides are built to carry substantial weight without relying on light-duty hardware. The side mount configuration fits applications that are already framed for standard 3/4 inch drawer side clearances. A non-handed design allows the same slide to be used on either side of the drawer, which simplifies stocking and layout when building multiple units. Heavy-duty ball bearings support smooth travel under load, helping drawers open and close consistently when filled.
This Knape and Vogt 8815B 20 side mount drawer slide is described as unhanded, so the same member layout is used on both sides of the drawer, reducing orientation errors during installation. Side mounting works with carcasses framed around 3/4 inch clearance, so it fits straight into many existing cabinet designs. A butterfly lever release is built into the slide, providing a mechanical way to separate the drawer member from the cabinet member when fitting or removing the drawer. That lever release simplifies adjustments, because the drawer box can be lifted off the runners for squaring, edge work, or replacement without disassembling the entire slide set. The recommended fasteners are #10 x 5/8 inch Phillips flathead screws, so the installer can choose screw lengths and pilot sizes to seat the slide firmly along the cabinet and drawer sides.
The 20 inch length on the KV Model #8815 slide suits base cabinets and casework where a full-depth drawer is needed for storage. Because the slide is recommended for drawers up to 42 inches wide, it supports wider drawer fronts common in shop cabinets, utility bases, or storage banks. The 200 lb description means it is suited to drawers that carry dense contents, such as hardware bins or tool storage, where lighter slides would not hold up under normal operation. Side mount geometry with 3/4 inch plus .03 inch minus 0 inch clearance connects directly to typical cabinet design, allowing a builder who already cuts 3/4 inch side clearances to keep the same layout. A slide width of 3/4 inch fits neatly between the drawer side and cabinet wall, maintaining usable drawer interior width while providing full ball bearing support.
The non-handed design of this 8815B 20 slide means each pair does not require separate left and right parts, which simplifies layout when building batches of cabinets or replacing slides in the field. Heavy-duty ball bearings carry the load along the runner, helping drawers move freely even when packed to the higher weight the slide is described to handle. The slide also features a hold-in anti-rebound function, which helps keep the drawer in the closed position so it does not drift back out after being pushed shut during normal use. That characteristic matters in shop cabinets, utility spaces, and work areas where vibration or repeated opening and closing can cause light drawers to roll forward. The butterfly lever release adds a defined removal point, so installers can push the release, lift the drawer off the slide members, and work on the drawer box or cabinet interior without disturbing the slide alignment on the carcass sides. A height of 2.09 inches gives added bearing separation within the slide profile, supporting lateral stability that helps keep wide drawers tracking straight over the slide length.
The Knape and Vogt 20 inch over travel drawer slide is recommended for drawers up to 42 inches wide, so it suits wider drawer fronts in cabinets or storage units.
The 8815B 20 slide uses a side clearance of 3/4 inch plus .03 inch minus 0 inch, so drawer box widths can be sized precisely for smooth side mount travel.
The Knape and Vogt 8815B 20 is a side mount slide with a 3/4 inch slide width, so it fits standard side mount cabinet layouts and drawer box designs.
The butterfly lever release on the 8815 20 allows the drawer member to disengage from the cabinet member, so drawers can be removed easily for fitting or service.
The product description recommends #10 x 5/8 inch Phillips flathead screws, so installers can match pilot holes and screw heads to the slide mounting slots.
The 20 inch 200 lb overtravel slide is described with a zinc finish, so the slide surface has a protective coating suited to typical cabinet environments.
The Knape and Vogt 20 inch over travel standard ball bearing drawer slides 8815 Series, in the 8815B 20 version, combine a 200 lb description, side mount layout, and non-handed design to serve wide, heavy drawers. With a 3/4 inch side clearance and 3/4 inch slide width, the runner fits standard cabinet dimensions where side mount hardware is already planned. The butterfly lever release and hold-in anti-rebound feature support straightforward fitting and consistent drawer behavior once installed. For drawers up to 42 inches wide that need ball bearing movement under load, this model offers a defined set of dimensions and mounting details to work from.
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