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Knape and Vogt 18 inch file drawer slides 6505B 18 are heavy duty, side mount, ball bearing slides built for file drawer applications where smooth travel and firm closed positioning are important. The 6505 Series design provides a 1 inch over-travel extension, which lets the file drawer move slightly past the cabinet front so folders at the back are easier to reach without stressing the slide. The slides use a closed position hold-in detent, so the drawer stays pulled home against the case, which helps resist minor bounce-back in typical office or shop use. A quick disconnect rail is part of the 2-19/32 inch overall height, allowing the installer to separate drawer member from cabinet member during fitting, which simplifies handling on deeper or heavier drawers in production or retrofit work.
These Knape and Vogt 6505B 18 side mount ball bearing slides are designed for a side clearance of 1/2 inch plus or minus 1/32 inch on each side, so drawer box width can be set confidently around that dimension for consistent slide engagement. The slide height of 2-19/32 inch, including the quick disconnect rail, defines how much vertical space the hardware occupies on the drawer side, which matters when laying out drawer side heights and file rail positions. A 32mm pattern is provided, aligning hole spacing to cabinet systems built on that drilling standard, which speeds repetitive installations and supports accurate jigs in a shop environment. Recommended fasteners are #8 x 7/16 inch wood screw (WW46000), so installers can match pilot sizes and tooling to that screw length and diameter for secure mounting into typical cabinet materials.
The Knape and Vogt 6505 Series 18 inch over-travel slides work in file drawer situations that benefit from full access to stored folders. Because the 18 inch length is defined in the model #6505 18 description, cabinet depth and drawer construction can be coordinated around that travel distance for efficient space use. The 1 inch over-travel gives more exposure of the rear of the drawer than a standard full-extension slide, which is useful in base file cabinets where vertical reach can be limited by countertops. The side mount configuration aligns with typical file drawer construction, where drawer sides ride along the cabinet sides, supporting straightforward layout when building box and case. Their heavy duty feature designation signals that they are built for loaded drawers in file usage, letting designers plan for concentrated paper weight in office or commercial casework.
The closed position hold-in detent is engineered so the slide resists minor outward forces when the drawer is shut, which helps drawers stay closed in banks of files that see frequent access throughout the day. The ball bearing action distributes load along the slide members, giving a smooth feel that helps drawers open and close predictably even when filled with files. Because the height of 2-19/32 inch includes the quick disconnect rail, installers can remove the drawer portion during mounting, reducing weight while fastening the cabinet members, which improves control when aligning left and right sides. The 32mm pattern hole layout ties into line-bored cabinet sides, allowing consistent screw locations that support repeatable tracking between multiple case openings. Recommended #8 x 7/16 inch wood screws match the slide thickness and mounting points, giving threads adequate bite in common cabinet materials without risking screw breakthrough into finished interiors.
The Knape and Vogt 6505B 18 slides are ball bearing file drawer slides, so they are suited to file drawer applications where paper weight and frequent cycling are expected.
The 6505B 18 slides use a side clearance of 1/2 inch plus or minus 1/32 inch on each side, which defines the needed difference between the cabinet opening and drawer box width.
The 1 inch over-travel on these slides moves the file drawer slightly beyond the cabinet front, making files at the back easier to access and reducing reach into the cabinet.
The closed position hold-in detent on the 6505B 18 slides holds the drawer in the shut position, which helps maintain alignment of drawer fronts and resists minor bounce-back.
These slides use a 32mm pattern, which matches cabinet systems drilled on 32mm centers and supports efficient, repeatable mounting in line-bored casework.
The Knape and Vogt 6505B 18 slides are recommended to be mounted with #8 x 7/16 inch wood screw (WW46000), giving suitable thread engagement for typical cabinet materials.
The Knape and Vogt 18 inch file drawer slides 6505B 18 combine heavy duty ball bearing construction, 1 inch over-travel, and a closed position hold-in detent, which together support file drawers that open fully, stay closed when pushed home, and run smoothly. With a defined side clearance of 1/2 inch plus or minus 1/32 inch and a 2-19/32 inch height including the quick disconnect rail, they give clear targets for drawer box sizing and cabinet drilling. Specifying this 6505 Series model lets casework shops and serious DIY builders match file drawer performance expectations to a known Knape and Vogt slide standard.
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