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Knape and Vogt 18 inch drawer slides give you full extension travel, letting the drawer open its full length so contents stay accessible without partial hang-up. The 18 inch length ties directly to standard cabinet depths, keeping layouts predictable across banks of drawers.
These 8900 Series slides use a side mount design, so they fasten to the cabinet sides and drawer sides, which suits frameless and face-frame casework set up for side mounting. The ball bearing construction is specified for extra heavy-duty applications, so the slide set is built to carry heavy drawers without relying on light-duty rollers.
A non-handed design means each member works on either side, which reduces orientation steps during installation and simplifies stocking spares. The full-extension, non-disconnect format keeps the drawer and cabinet members engaged, which is valuable where drawers run heavy and need secure tracking throughout travel.
The zinc finish stated in the description provides a hard, uniform surface over the steel members, supporting smooth bearing travel and a consistent look in shop or commercial interiors. With a 3 inch slide height and 3/4 inch side clearance, these slides align with common cabinet engineering dimensions, helping projects follow a repeatable drilling and layout pattern.
These Knape and Vogt 8900B 18 slides are specified as side mount, which means they attach along the cabinet interior sides and drawer sides, aligning well with casework built for lateral support. The recommended fasteners on the cabinet member are #10 flat head machine screws, so installers can plan for that thread and head style when preparing cabinets or metal fixtures.
The 32mm pattern is specified as not present, so hole drilling is not locked to a European system and can be laid out to match custom cabinet designs or retrofit needs. With a 3/4 inch side clearance and 3 inch height, these slides fit into layouts engineered around those dimensions, which helps drilling jigs and production runs stay consistent across a project.
The full-extension, non-disconnect setup means there is no designed release point, so installation focuses on accurate side mounting and alignment rather than removable members, which can suit heavy-duty environments where drawers remain in place.
The Knape and Vogt 8900B 18 full extension slides are described as designed for extra heavy-duty applications, so they are suited to drawers that routinely carry substantial weight. The heavy duty ball bearings carry the heaviest loads without sticking, which matters in tool, parts, or supply drawers that see constant cycling.
With an 18 inch length and 3/4 inch side clearance, these slides integrate into cabinets where depth and clearances are already defined around those standards, keeping field fitting to a minimum. The 3 inch height helps support taller or deeper drawer sides by engaging a larger vertical area, which is valuable in storage banks where drawer boxes are loaded high.
The side mount configuration lends itself to casework or fixtures with solid side panels, so drawers can track along rigid members while still delivering full extension reach to the back. Because these slides are non-disconnect, they suit installations where drawers are not routinely removed, such as fixed storage, shop cabinets, or built-in commercial fixtures.
The zinc finish described in the product data supports a uniform metal surface that pairs well with shop or interior hardware, helping projects deliver a consistent visual standard where exposed hardware is visible on open drawers.
The non-handed design for easy installation means each slide can mount on either side, which simplifies setup on production benches and cuts down on orientation checks from pair to pair. Installers can stage stacks of slides without grouping left and right pieces, helping throughput on repetitive casework.
The specified 3/4 inch side clearance provides a single dimension to design around, so drawer box widths can be standardized across a project, reducing layout variation and rework. In multi-cabinet runs, that single clearance figure keeps drawer sizing straightforward.
The absence of a 32mm pattern lets shops drill mounting holes where they best support their construction method, whether face-frame or frameless, aligning with their existing jigs. This flexibility supports retrofits where existing cabinets do not follow a European system.
The recommendation to use #10 flat head machine screws on the cabinet member provides a clear fastener spec, which helps installations into metal or predrilled structures where thread and head geometry are important. Combined with the non-disconnect design, that fastening approach yields a slide that stays anchored under extra heavy-duty use, keeping drawer motion stable across the service life.
The 8900B 18 model is a Knape and Vogt 18 inch full extension side mount ball bearing drawer slide, so it supports smooth travel and full access along the drawer length.
The Knape and Vogt 8900B 18 slides require 3/4 inch side clearance, so drawer box widths can be sized precisely around that dimension to keep movement free.
The 8900B 18 slide has a 3 inch height, giving a tall bearing profile along the drawer side that helps support heavy or deep drawers during operation.
The Knape and Vogt 8900B 18 slides are described as designed for extra heavy-duty applications, so they are intended for drawers carrying very heavy loads.
The 8900B 18 slide is specified as non-disconnect, so the drawer and cabinet members stay engaged throughout travel rather than separating for removal.
The Knape and Vogt 8900B 18 cabinet member is recommended to be mounted with #10 flat head machine screws, giving a defined screw type for planning installations.
Knape and Vogt 18 inch drawer slides combine full extension, side mount installation, and heavy duty ball bearings to support extra heavy-duty drawers. With 3/4 inch side clearance, 3 inch height, and a non-handed, non-disconnect design, these 8900B 18 slides give cabinet shops and installers a defined spec they can repeat across projects. Select this model when drawer length, load demands, and side mount construction call for a robust 18 inch slide built around clear dimensions and fastening details.
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