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The Knape and Vogt 8450 series is a 22 inch full-extension soft-close side-mount ball bearing drawer slide, rated 100 lb per pair, finished in zinc for reliable indoor service. It brings Force Management damped closing to a standard side-mount format, making it a direct upgrade path for any kitchen, office, or utility drawer already running on plain ball bearing slides.
The 8450FM's damper pays off most in drawers that are opened and closed dozens of times a day: kitchen base cabinets, pantry pull-outs, bathroom vanities, and office storage. The FM module has been tested beyond 50,000 cycles including the soft-close mechanism, exceeding KCMA, BHMA, and BIFMA performance standards, so the damped close stays consistent over years of regular use. The 22 inch slide length suits deeper base cabinets where a shorter slide would leave the drawer box unsupported at the rear.
The members are cold-formed steel with a bright zinc electroplate. Zinc is the working standard for side-mount ball bearing slides in indoor cabinetry: it resists the moisture and cleaning products that reach cabinet interiors without adding cost or complexity. The finish blends with the cabinet interior when the drawer is open and does not interfere with the slide's mechanical function over time. This is an indoor finish — not rated for exterior, wet-area, or washdown applications.
Because the 8450FM shares the same 1/2 inch per-side clearance and side-mount footprint as the standard KV 8400 series, it slots directly into any drawer box already sized for that platform. Cabinet shops specifying soft-close on production runs, designers upgrading an existing kitchen, and contractors replacing noisy slides mid-project all land on this slide for the same reason: damped closing in a familiar format at a 100 lb class rating. The non-handed design keeps inventory simple — one SKU covers every position in the cabinet.
The Force Management damper is designed to work across the load range, not just on a light drawer. The balanced spring technology adjusts the closing behavior so a loaded drawer settles shut rather than fighting the damper. Performance is consistent through the slide's tested cycle count.
The 8450FM requires 1/2 inch of clearance per side. Build the drawer box 1 inch narrower than the cabinet opening and the fit is correct. No additional adjustment is needed for the soft-close module.
Yes, with rear support. Side-mount slides in face-frame cabinets need rear mounting brackets at the back of the cabinet to support the slide's rear end — the brackets are series-specific and sold separately. The mounting hole pattern follows the 32mm standard.
They share the same mount position, 1/2 inch clearance, and 100 lb class rating, so sizing and installation are the same. The 8450FM adds the FM damping module, which is what separates it from the plain 8400 line.
No. Soft-close is damped closing — the damper slows the drawer over the last portion of travel. It is not self-close; there is no spring that pulls the drawer in from a partially open position. Push the drawer to within the capture zone and the damper takes over from there.
The Knape and Vogt 8450FM in 22 inches delivers damped soft-close performance at the standard side-mount 100 lb class — a straightforward choice when quiet, consistent closing matters as much as load capacity.
Sold In: 1 Set
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each | KV8404-KIT Mfr# 8404B KIT | Face Frame Bracket kit for 8400 Series Slides, Zinc |
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each | KV8404-B Mfr# 8404B | Face Frame Bracket for 8400 Slides, Front-Mount, Zinc | ||||
Sold in: 1 Each | KV8404 Mfr# 8404 | Face Frame Bracket for 8400 Series Slides, Front Mount, Zinc |
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each | KV8403 Mfr# 8403 | Rear Mounting Brackets for 8417 & 8419 Slides, Zinc |