Undermount Soft Close Drawer Slides Full Extension - Smooth, Quiet

In this review of the AOLISHENG undermount soft close drawer slides, the bottom-line is straightforward: these rails are for anyone fitting kitchen, bathroom, or office drawers who wants full extension and quiet, reliable closing. The reviewer found the slides to be sturdy and pleasantly silent thanks to the copper hydraulic buffer double-spring soft-close mechanism, and the concealed bottom-mount design creates a clean interior drawer look while supporting up to 80 lb per pair. Installation details and the detachable third fold make these a practical choice for remodels and new cabinetry alike.

Key Features

• Undermount Design: The slides mount under the drawer for a concealed appearance and cleaner drawer sides while screws attach to both sides of the cabinet for stable support.
• Soft-Close Mechanism: A copper hydraulic buffer with a double-spring structure reduces noise and cushions the drawer at the end of travel for a smooth, quiet close.
• Full Extension: Full extension lets you access the entire drawer interior, making it easier to reach items stored at the back.
• Detachable Third Fold: The third fold can be released by squeezing the two red locking handles, allowing the drawer to be lifted out for maintenance or cleaning.
• Durable Ball Bearing Construction: Two rows of solid steel balls deliver smooth motion, anti-rust performance, and longevity tested to more than 150,000 cycles.
• Complete Installation Kit: Each package includes adjustable locking devices, rear mounting brackets, and screws needed for typical face frame or frameless cabinets, plus instructions.

Who It's For

This product is aimed at homeowners, cabinet makers, and DIY installers who need a concealed, soft-close solution that supports heavier loads and full access to drawer contents. It is well suited to kitchen or bathroom remodels where quiet, reliable operation and a clean look under the drawer are priorities.

Those who should look elsewhere include buyers who require side-mount slides, drawers with side panel thickness greater than 16mm, or installations with cabinet clearances outside the 20mm to 40mm range. Also, if you need a surface-mounted or specialty undermount that differs from the included standard brackets, a different model may be required.

Pros & Cons

Pros

• Concealed undermount placement offers a neat interior and solid support while keeping hardware hidden.
• Soft-close copper hydraulic buffer minimizes noise and provides consistent, gentle closing action.
• Full extension and smooth ball-bearing action make the drawer easy to access and operate.
• Package includes brackets, adjustable locks, and screws for most face frame or frameless installs.

Cons

• Maximum side panel thickness is limited to 16mm, so thicker drawer boxes require alternative slides.
• Proper cabinet clearance (20mm to 40mm) and cabinet depth matching the slide length are necessary for correct fit, which may complicate some retrofits.

Specifications

Brand	AOLISHENG
Mount Type	Undermount (bottom-mount) soft close
Extension	Full extension
Load Capacity	80 lb per pair
Available Lengths	9, 12, 15, 18, 21, 24 in
Side Panel Thickness	Maximum 16mm (5/8 in)
Included in Package	2 slides, 2 locking devices, 2 rear brackets, screws, instructions

Our Verdict

The AOLISHENG undermount soft close slides are a solid value for anyone needing quiet, full-extension drawer operation with a concealed look. They offer durable steel construction, smooth ball-bearing movement, and a dependable soft-close buffer at a price that suits most home projects, provided the drawer and cabinet meet the specified clearances and panel thickness limits.

Frequently Asked Questions

Can these be used on face frame and frameless cabinets?
Yes. The package contains the adjustable locking devices and rear mounting brackets required for face frame or frameless installations.

What is the required clearance between slide and cabinet?
The recommended clearance between the slides and cabinet is 20mm (0.78 in) to 40mm (1.58 in).

How do you remove the drawer for cleaning?
Squeeze the two red handles on the locking mechanism and lift the drawer up to detach the third fold and remove the drawer.