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The Sugatsune AR3-K500 is a 19-11/16 inch full-extension, ball-bearing side-mount drawer slide made from aluminum, designed for applications where material weight, corrosion exposure, or clean visual lines make aluminum the right call over steel. A hold-out detent keeps the drawer at the fully open position until intentionally closed, which suits work surfaces, utility drawers, and access panels where both hands need to be free.
The AR3-K500's aluminum body makes it a natural fit for environments where zinc-plated steel is a liability: coastal installations, laboratory casework, marine cabinetry, and any interior where moisture or cleaning chemicals accelerate surface corrosion on standard plated slides. It also suits weight-sensitive builds — instrument cases, display units, and mobile equipment drawers — where shaving grams from the hardware matters. The hold-out detent is the deciding feature for access drawers and utility trays that must stay open hands-free during service or use. At 19 lb capacity per pair, this slide is purpose-built for lighter, precision-grade applications rather than kitchen or shop-load service.
The slide is machined and formed from aluminum, finished in a natural aluminum color that blends well with modern, light-toned cabinet interiors and equipment enclosures. Unlike epoxy-coated or zinc-plated steel slides, the corrosion resistance is in the material itself — there is no coating to chip or degrade over time in humid or chemically active environments. Ball bearings run in aluminum raceways, keeping the assembly lightweight while maintaining the smooth travel the AR3-K series is designed around.
Designers and fabricators working on laboratory furniture, marine interiors, medical equipment cabinetry, or any casework that sees humidity, spray, or chemical exposure will find the aluminum body more durable over the long term than a plated alternative in those conditions. Home-office and display builders who prioritize a clean, modern hardware aesthetic also benefit from the aluminum finish. Cabinet shops handling instrument or electronics enclosures — where drawer weight itself is a design constraint — will appreciate the lower mass. This is not the right slide for heavy kitchen or shop drawers; the 19 lb rating sets the boundary clearly.
The hold-out is a detent, not a positive lock. It keeps the drawer at full extension until you push it closed with normal force — no lever or release mechanism required.
Aluminum resists corrosion far better than zinc-plated steel in humid and salt-air environments. For continuous saltwater exposure, confirm that the specific alloy and any fasteners used meet your application's corrosion requirements before specifying.
That is the closed (nominal) length of the slide. Because this is a full-extension slide, the drawer travels approximately that full length when opened, bringing the entire drawer box out to the cabinet face.
Side-mount slides in face-frame cabinets typically require rear mounting brackets or blocking to support the back end of the slide. Check your cabinet construction and add rear support if the slide's back end has no panel to fasten to.
No — the AR3-K500 is non-handed. One part number covers both sides of the drawer.
When the application calls for lightweight, corrosion-aware, or aesthetically clean slide hardware, the Sugatsune AR3-K500 delivers full-extension ball-bearing performance in an aluminum body that earns its place in demanding or detail-oriented builds.
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