Zinc Over-Travel Ball Bearing Slide Built for Drawers Under Overhangs

The Knape and Vogt 8405 series is an 18 inch side-mount ball bearing drawer slide rated 100 lb per pair, with 1 inch of over-travel and a hold-in anti-rebound detent, finished in zinc. It is the 8400-series answer to drawers that need to push past the cabinet face — worktop cabinets, deep face frames, and countertop overhangs where a standard full-extension slide stops just short of useful.

Key Features

• 1 inch of over-travel carries the drawer member past the nominal slide length, clearing countertop overhangs and deep face frames.
• 100 lb weight rating per pair handles a loaded kitchen, utility, or shop drawer without stepping up to a heavier-duty class.
• Hold-in anti-rebound detent keeps the drawer firmly closed and prevents it from bouncing back open after a firm push.
• Zinc finish on cold-formed steel provides standard indoor corrosion protection and a low-profile appearance beside the open drawer.
• Non-handed design means both slides in the pair are identical — no left/right sorting on the bench.
• Bulk-Pack packaging suits cabinet shops ordering slides by the run rather than by the pair.

Where Over-Travel Makes the Difference

A standard full-extension slide brings the drawer to the cabinet face. That is fine for a flush or inset application, but a countertop that overhangs the cabinet front by even 3/4 inch can put the rear of the drawer effectively out of reach. The 8405 adds 1 inch of travel past full extension, so the back corner of the drawer clears the overhang and the drawer's contents are actually accessible. The same extra inch earns its keep in face-frame cabinets with wider stiles, where the frame itself eats into the opening. Side-mount installation keeps the slide visible beside the box — this is not a concealed runner — but for kitchen base cabinets, utility runs, and shop storage where function matters more than hidden hardware, the trade-off is an easy one.

Steel, Zinc, and the Working Life of the Slide

Cold-formed steel members with a zinc electroplate finish are the durable standard for side-mount ball bearing slides in production cabinetry and shop builds. Zinc is not a decorative finish and is not rated for outdoor or wet environments, but it holds up through years of daily indoor cycling without oxidizing or binding in the raceways. The ball bearings run in full-length formed raceways between the members, keeping the travel smooth and consistent whether the drawer is empty or loaded to the 100 lb rating.

The Right Fit for This Slide

The 8405 series works best in cabinets where the extra inch of travel solves a real problem: kitchen base drawers under a stone or laminate countertop, utility cabinets built with a face frame, and shop benches where an overhang keeps standard-extension slides from delivering the full drawer. Mount one slide per side with 1/2 inch of side clearance between the drawer box and the cabinet interior — build the box 1 inch narrower than the opening. In face-frame cabinets, the back end of the slide needs rear bracket support; add the matching KV rear mounting brackets, sold separately, and confirm they are specified for the 8400 series. This bulk-pack format is stocked for shops running multiple drawers at a time rather than single-pair retail orders.

A Reliable Side-Mount Slide That Goes the Extra Inch

When the countertop or face frame keeps a standard slide from delivering the whole drawer, the 8405 in zinc closes that gap with 1 inch of over-travel, a solid 100 lb rating, and the hold-in detent that keeps the loaded drawer shut until you need it.