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Browse All ProductsHardware Resources UMS 500 Series Undermount Drawer Slides
What the UMS 500 Series is and where it fits
The Hardware Resources UMS 500 Series is a heavy-duty undermount drawer slide line with synchronized soft-close. The slides mount under the drawer box rather than on the sides, so no rail shows when the drawer is open and the box appears to float. They are rated at 100 pounds per pair, full extension, with a synchronized DURA-CLOSE soft-close that draws both rails in evenly and seats the drawer quietly. The synchronized action keeps a wide drawer from racking as it closes, since an unsynchronized pair can bind when one side leads the other. The series runs in lengths from 12 inches through 24 inches, covering small vanity drawers up to deep kitchen base drawers. The hidden mount suits frameless cabinetry, high-end kitchens and baths, and any drawer where the clean undermount look and a controlled close are the priority. Full extension matters most in deep drawers, where items at the back are otherwise hard to reach.
Specs, fit, and common questions
Key specs: load rating 100 lb per pair; full extension; synchronized DURA-CLOSE soft-close; lengths 12 inches through 24 inches. Match slide length to the cabinet box depth, not the drawer face. Undermount slides demand more precise drawer-box construction than side-mounts, because box dimensions and notching must match the slide spec, so confirm build tolerances before ordering. Undermount vs side-mount: undermount hides the hardware for a cleaner box and a floating look, while side-mount shows a rail along each side. Are these good for frameless cabinets? Yes, the undermount design is well suited to frameless construction and high-end kitchens and baths. Do they handle heavy drawers? The 100-pound per-pair rating handles cookware and file drawers; verify it against the heaviest intended load. What lengths are available? The series runs from 12 inches through 24 inches. Specifying one series across a project keeps the close feel consistent from the smallest vanity drawer to the deepest base drawer.
Coordinate with cabinet pulls and cabinet knobs.
Frequently Asked Questions
What weight capacity do Hardware Resources UMS 500 Series drawer slides support?
The UMS 500 Series is rated heavy-duty at 100 pounds per pair, making them suitable for cookware drawers, file drawers, and other high-load applications. Buyers should verify the rating against the heaviest intended load before ordering to confirm the slides are appropriate for their specific use.
How do undermount drawer slides differ from side-mount slides in terms of appearance and installation?
Undermount slides attach beneath the drawer box rather than on its sides, so no hardware is visible when the drawer is open and the box appears to float inside the cabinet. Side-mount slides leave a visible rail along the drawer sides, while undermount installation requires more precise drawer-box construction — including specific box dimensions and notching — to match the slide specification, making tolerances more critical than with side-mounts.
What is the DURA-CLOSE synchronized soft-close mechanism and why does it matter for wide drawers?
DURA-CLOSE synchronized soft-close means both rails pull inward evenly at the same rate as the drawer closes, stopping it quietly and without impact. On wide drawers, this synchronized action prevents racking — the condition where one side leads the other, causing the drawer to bind or skew — which is a known limitation of unsynchronized soft-close pairs.
What length range does the UMS 500 Series cover, and how should the correct length be selected?
The series is available in lengths from 12 inches through 24 inches, spanning small vanity drawers up to deep kitchen base drawers. Slide length should be matched to the cabinet box depth, not the drawer face dimension, to ensure full extension and proper fit within the cabinet opening.
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