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Knape and Vogt 20 inch soft close drawer slides 8650 Series, unhanded side mount zinc, give a 20 inch length slide that supports full extension, so drawers can be pulled out to access the entire drawer depth during installation and everyday use. The soft-close function, as stated in the 150LB softclose full ext slide description, slows and pulls the drawer closed, which helps reduce slamming and provides controlled closing action in cabinet applications. The 8650 series ball bearing design supports smooth movement along the slide member, which helps drawers operate consistently under load in service. These slides are unhanded side mount, so the same slide model works on either side of the drawer, simplifying ordering and layout on shop projects. Made in USA construction for KV Model #8650FM provides a clearly identified domestic-manufactured option for projects that call for that origin detail.
The unhanded side mount design of the 8650FMB 20 allows the same slide to be installed on either drawer side, which simplifies inventory and mounting because left and right pieces are not unique by part number. The specified 1/2 inch side clearance, plus 0.1 inch, minus 0 inch on each side sets the drawer width relative to the cabinet opening, guiding how the box should be sized so the ball bearing members run freely. The 2 inch height value indicates the vertical footprint on the cabinet wall, which matters where drawers are stacked and rail locations, dividers, or shelves run close to the slide location.
The product is identified as a side mount, ball bearing drawer slide in the drawer slides and accessories category, so it serves as the primary movement hardware for drawers in cabinets or similar casework. The 20 inch length stated in the product name positions it for drawer depths in the 20 inch class, giving a slide choice that aligns with common cabinet depths. Full extension identified in the SAP description allows the drawer to travel out until the back is roughly even with the cabinet front, which is useful wherever full access to stored items is needed. The soft-close feature, specified directly in the 150LB softclose full ext slide wording, supports use in environments where reduced impact at closing is preferred, such as residential or commercial cabinetry where drawers are used frequently.
The butterfly disconnect lever mentioned in the web description provides a defined way to separate the drawer member from the cabinet member, which helps when installers need to remove the drawer box for adjustments, alignment, or finishing work. The 32 mm pattern noted as yes aligns the slide mounting holes to a 32 mm system layout, which matters in shops or production lines that drill system rows and want the slide to tie directly into those holes without additional layout steps. The unhanded side mount configuration of the 8650 series means one model number works for both sides, which simplifies replacement work because a single spare slide can serve either the left or right position. The recommended #7 x 1/2 inch Phillips pan head fasteners give a screw size and drive style that complement the holes and thickness of the slide members, which supports consistent mounting torque and reduces the chance of using a mismatched screw pattern. The made in USA note for KV Model #8650FM provides clear origin information, which can be important in project specifications that call out domestic manufacturing. The zinc finish referenced in the web description contributes to surface protection of the steel components in normal indoor cabinet environments, which supports ongoing operation of the ball bearings and moving members under repeated use.
The 20 inch length noted in the product name suits drawer boxes built around a 20 inch depth, so the full extension travel can bring the back of the drawer toward the cabinet front.
The softclose feature in the 150LB softclose full ext slide description slows the drawer during closing and pulls it shut, which helps reduce slamming and creates controlled, quieter operation.
The web description states side clearance of 1/2 inch, plus 0.1 inch, minus 0 inch each side, so the drawer width is set to maintain this gap between drawer and cabinet members.
The 32 mm pattern noted as yes means mounting holes align with 32 mm system drilling, which helps integrate the slide into cabinets built on that hole spacing.
The butterfly disconnect lever listed in the description lets the drawer member be separated from the cabinet member, which aids in inserting or removing the drawer during fitting or adjustments.
The web description recommends #7 x 1/2 inch Phillips pan head fasteners, which match the slide mounting holes and support secure attachment to cabinet sides and drawer boxes.
The Knape and Vogt 20 inch soft close drawer slides 8650FMB 20 combine side mount, full extension, and soft-close operation with a 150LB class rating, so they address drawer runs that need smooth travel and controlled closing. The specified side clearance of 1/2 inch, plus 0.1 inch, minus 0 inch each side, along with the 2 inch height and 20 inch length, gives the core dimensions needed to size drawer boxes and plan cabinet layouts. With the 32 mm pattern and butterfly disconnect lever, these 8650 series slides align well with system-drilled cabinets and practical installation workflows.
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