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Knape and Vogt 20 inch drawer slides provide a full extension ball bearing action, allowing the drawer to open its full length so the entire drawer box is accessible during cabinet or RV use. The 8400BRV 20 model is a side mount drawer slide, so it mounts to the cabinet side, matching common face-frame and frameless construction layouts. This slide is part of the 8400 Series and uses ball bearing runners, which support smooth travel under load from typical drawer contents. The product is identified as KV Model 8400RV - RV Version with heavy duty stay close feature, which means the mechanism is designed for RV applications where movement demands a positive hold-in at the closed position during transit. The slide is unhanded, so a single part number works for both left and right sides on the job.
The KV Model 8400RV 20 inch slide lists a side clearance of 1/2 inch plus 1/32 inch minus 0 inch on each side, so drawers are sized with that space to fit the slide track and maintain smooth motion. The slide height is specified as 1-13/16 inch, which lets installers confirm that the slide fits the drawer side height and cabinet opening when laying out multiple drawers. A 32 mm pattern is noted, so the hole pattern aligns with 32 mm system boring, which supports jig-based drilling and repeatable casework alignment. Recommended fasteners are #7 x 5/8 inch Phillips pan head, so installers can match shank and head style to the manufacturer specification for secure mounting into drawer sides and cabinet walls.
The web description identifies this product as KV Model 8400RV - RV Version with heavy duty stay close feature, designed for RVs, so it is aimed at mobile interiors where drawers must stay shut under road vibration. The stated side clearance of 1/2 inch plus 1/32 inch minus 0 inch each side defines the drawer-to-cabinet relationship, letting builders size drawer boxes specifically for this slide in both RV casework and shop-built cabinetry. With a slide height of 1-13/16 inch, the hardware fits many standard drawer side heights, which is useful in stacked layouts where vertical space is limited. The 32 mm pattern detail means the slide works well in cabinets built on the 32 mm system, allowing rows of holes to locate slides and hardware without custom drilling.
The heavy-duty self closing spring is described as designed to keep the drawer in shut position, so the hold-in force resists bounce-out, which is especially important in RV use but also helpful in residential or commercial cabinetry. Full extension construction allows the drawer to travel completely forward, so users can reach items at the back, improving day-to-day function in tight RV spaces and shop-built storage. The ball bearing design guides the drawer along steel races, which helps maintain alignment under changing loads over the life of the installation. With the slide specified as unhanded, installers carry one Knape and Vogt 20 inch drawer slide part number, the 8400BRV 20, to handle both sides, which simplifies inventory and replacement scenarios. The side mount configuration further streamlines layout, because it matches common drawer box and cabinet construction methods used by woodworking professionals and RV manufacturers.
The 8400BRV 20 is a Knape and Vogt 20 inch full extension side mount ball bearing drawer slide, so it supports smooth, full-length drawer travel along the cabinet sides.
The heavy duty self closing spring is designed to keep the drawer in the shut position, which helps drawers remain closed under movement in RV applications.
The 8400BRV 20 requires 1/2 inch plus 1/32 inch minus 0 inch side clearance on each side, so drawer width can be sized accurately for smooth operation.
The slide height is 1-13/16 inch, which helps installers confirm that the hardware fits within the available space on the drawer side and cabinet opening.
The product lists a 32 mm pattern, so its hole layout aligns with 32 mm system boring, supporting efficient, repeatable cabinet construction.
The recommended fasteners are #7 x 5/8 inch Phillips pan head, so installers can match screw size and head style to the specified mounting requirements.
The Knape and Vogt 20 inch drawer slides with model number 8400BRV 20 combine full extension travel, side mount construction, ball bearing runners, and an RV-focused heavy duty stay close feature. The defined 1/2 inch plus 1/32 inch minus 0 inch side clearance and 1-13/16 inch height give clear drawer sizing targets for consistent installations. With a 32 mm pattern and specified #7 x 5/8 inch Phillips pan head fasteners, this slide integrates into system-drilled cabinets and RV casework. For projects needing a full extension RV drawer slide that is unhanded and designed to keep drawers shut, this 8400 Series option aligns with those requirements.
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