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Knape and Vogt 8500B 12 drawer slide is a 12 inch, full extension, side mount ball bearing file drawer slide designed as part of the KV Model 8500 series. Full extension travel lets the file drawer open the full slide length, so cabinet builders can expose the drawer interior for filing access and hardware adjustments. The slide is classified as a side mount drawer slide, so it fastens to the cabinet sides in standard drawer construction. The design is unhanded, so the same member style works on both sides of the drawer for straightforward layout. This model is described as a file drawer slide, aligning it with applications where drawers carry files inside office or storage cabinets. The slide is part of Knape and Vogt products made in USA, which matters when matching domestic manufacturing requirements on commercial millwork jobs.
The web description states a side clearance of 1/2 inch plus 1/32 inch minus 0 each side, so cabinet makers can size drawer boxes to leave this clearance between the drawer and cabinet sides for proper movement. The height is listed as 3-51/64 inch including the quick disconnect rail, so case designers can plan drawer opening heights around this vertical requirement. A 32 mm pattern is confirmed, so shops working with 32 mm system boring can align the cabinet member with their standard hole rows and streamline drilling operations. Recommended fasteners are identified as #7 x 1/2 inch Phillips pan head, so installers know the shank size and head style that match the slide holes when mounting to wood cabinet parts.
The SAP description lists this as a 12 inch drawer slide, full extension, so it fits drawers built for a 12 inch slide length in small to medium file or utility cabinets. The category calls it a side mount, ball bearing slide in the drawer slides and accessories group, so it is intended for side-mounted drawer applications where ball bearing movement is required instead of runners or other guides. The product name specifies file drawer slides, so it matches drawers that support file storage rather than specialty slide-outs. Anochrome is recorded as the available finish, so it integrates visually with typical metal hardware inside cabinets. The bulk-pack designation in the product name points to use on projects where several pairs are installed across multiple drawers in the same run of casework.
Being part of the KV Model 8500 series and identified as 8500B 12 ties this slide to a consistent family, so production shops can match this size with other 8500 series lengths across different drawer widths. The unhanded designation in the product name indicates one pattern works for both left and right sides, which simplifies ordering and bin storage on the shop floor. The quick disconnect drawer members described in the features let installers remove drawers after initial mounting, which helps when adjusting reveals, transporting cabinets, or accessing interiors for hardware work. The hold-in anti-rebound detail in the product name and web description provides closing tension at the end of travel, so drawers stay seated against the cabinet front in daily use. Positive in and out stops add defined limits, so production crews can rely on consistent extension without trial-and-error, which supports repeatable layouts in banks of file drawers. The 32 mm pattern reference ties directly to system drilling lines, so CNC or line-bore operations can mount this slide with predictable hole spacing, reducing layout time.
The KV 8500B 12 is a side mount, ball bearing, full extension file drawer slide from the 8500 series, so it is suited to drawers that need full travel and smooth movement along the cabinet sides.
The SAP description lists this as a 12 inch drawer slide, so it matches drawer boxes designed around a 12 inch slide length in file and similar cabinet applications.
The web description specifies side clearance of 1/2 inch plus 1/32 inch minus 0 on each side, so drawer widths can be sized to that gap between drawer and cabinet.
The slide is listed with a 32 mm pattern, so the cabinet member aligns with standard 32 mm system boring for casework using that hole layout.
The recommended fasteners are #7 x 1/2 inch Phillips pan head, so installers can match that size and head style when mounting the slide to wood cabinet parts.
The web description notes a hold-in feature to prevent bounce back, so drawers stay pulled closed against the front instead of rolling slightly open after closing.
The Knape and Vogt 12 inch full extension 8500B 12 slide combines side mount ball bearing construction, a 32 mm pattern, and a defined 1/2 inch plus 1/32 inch side clearance for cabinet work that follows system boring and standard drawer sizing. The file drawer designation, hold-in anti-rebound function, and positive in and out stops align with drawers that carry files and need consistent closing action across multiple openings. For projects calling for a 12 inch full extension side mount file drawer slide in the KV 8500 series, this model fits that defined role.
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