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Knape and Vogt 8500 drawer slides are 20 inch full extension, ball bearing, side mount slides designed for file drawers that need smooth travel and full access. The slides are part of the KV Model 8500 Series, so they follow a consistent design that helps standardize cabinet layouts across multiple jobs. The file drawer slides are made in USA, which supports projects that specify domestic hardware. A hold-in anti-rebound feature on the slides resists bounce back, helping drawers stay closed in normal use. Positive in and out stops on the slides define travel limits, which helps protect the slide members from over-travel damage during everyday operation. These ball bearing slides use a retainer that holds 3 bearings per inch of race, which supports smooth and quiet motion for file drawers that are opened and closed repeatedly in office or residential installations.
The 8500P 20 side mount slides use a 1/2 inch plus 1/32 inch minus 0 inch side clearance per side, so a file drawer can be built to a predictable width relative to the inside cabinet opening. The slide height of 3-51/64 inch, measured including the quick disconnect rail, defines the space the slide occupies along the cabinet side, which is useful when aligning multiple drawers vertically. The slides are designed as side mount ball bearing slides, which match casework built around side-mounted hardware. Recommended fasteners are #7 x 1/2 inch Phillips pan head screws, so installers can select a screw that fits the slide holes and cabinet material for a secure mount. The quick disconnect rail works with factory-attached drawer release clips to separate drawer members from cabinet members, which helps with fitting, adjustment, and removal during finish work.
These ball bearing file drawer slides are part of the Knape and Vogt 8500 Series, placing them in a product family built for file drawer applications that benefit from full extension access. The 20 inch length suits file drawers sized around a 20 inch slide, which is common in many base cabinets and pedestal files. As side mount drawer slides, they work with cabinet designs that provide mounting surfaces along the cabinet sides, letting the drawer box ride on hardware that is easy to access during installation. The side clearance of 1/2 inch plus 1/32 inch minus 0 inch on each side lets cabinetmakers design drawer widths that repeat reliably across a bank of file drawers. The slide height of 3-51/64 inch including the quick disconnect rail provides a specific profile, which matters when stacking several drawers within a fixed cabinet height and keeping appropriate gaps between fronts.
The hold-in feature with anti-rebound on these 8500 Series slides is designed to prevent bounce back, helping drawers stay seated in the closed position once pushed in. That behavior matters in file storage where drawer fronts should stay flush with surrounding faces under normal handling. Positive in and out stops define the travel range, helping protect the slide members from being pulled apart in use, which is important for long-term operation of a file drawer that sees frequent opening. The retainer holds 3 bearings per inch of race, a detail that supports smooth and quiet motion by spreading the ball bearings along the slide length. Factory-attached drawer release clips with quick disconnect drawer members allow the drawer to be removed from the cabinet side members without separate clip installation, which can save time when finishing, adjusting fronts, or transporting cabinets. The slides use a 32 mm pattern, tying into 32 mm system drilling to keep mounting holes aligned with standard cabinet construction workflows.
The 8500P 20 are Knape and Vogt 20 inch full extension, ball bearing, side mount drawer slides from the 8500 Series, suited to file drawer applications needing full access and smooth travel.
The 8500P 20 slides use 1/2 inch plus 1/32 inch minus 0 inch side clearance on each side, which sets the target gap between the drawer box and cabinet opening for a proper fit.
The 8500P 20 slide height is 3-51/64 inch including the quick disconnect rail, a dimension that helps when planning vertical spacing for multiple drawers in a cabinet.
The Knape and Vogt 8500 Series slides use a 32 mm pattern, which aligns with 32 mm cabinet drilling layouts for streamlined installation in system-based casework.
The 8500P 20 features factory-attached drawer release clips with quick disconnect drawer members, allowing the drawer to separate from cabinet members to simplify fitting and finishing.
The recommended fasteners for the Knape and Vogt 8500P 20 slides are #7 x 1/2 inch Phillips pan head screws, matching the slide hole sizing for secure side mounting.
The 8500P 20 side mount full extension slides provide a 20 inch length, hold-in anti-rebound feature, and positive stops, giving file drawers controlled motion and full access. With defined 1/2 inch plus 1/32 inch minus 0 inch side clearance per side and a 3-51/64 inch height including the quick disconnect rail, these Knape and Vogt 8500 Series slides support repeatable cabinet dimensions. The 32 mm pattern, factory-attached drawer release clips, and quick disconnect drawer members help streamline installation and adjustment, making these made in USA slides a practical choice for professional and serious DIY file storage projects.
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