Best Undermount Soft Close Drawer Slides

Peter | 31-12-2025

Looking for some of the best Best Undermount Soft Close Drawer Slides? As you may know, there are dozens of brands available in the market such as OCG,LONTAN,Hitess,Sinkgo Home,Blum and some come with vastly different price tags. Let us help you out here – we have handpicked the Best Undermount Soft Close Drawer Slides for you.

To compile our list, we’ve researched and evaluated a range of the best-selling products on the market. We recommend OCG Best Undermount Soft Close Drawer Slides as our top pick because of its exceptional overall performance. Want to explore more options? Read on! There’s also a buying guide to help you make a wise shopping decision.

Editor's Choice
OCG Soft Close Undermount Drawer Slides 21 inch (6 Pairs), Full Extension Concealed Drawer Runners,
OCG Soft Close Undermount Drawer Slides 21 inch (6 Pairs), Full Extension Concealed Drawer Runners,
Premium Pick
LONTAN Undermount Soft Close Drawer Slides 21 Inch Hidden Bottom Mount Full Extension Cabinet Rails
LONTAN Undermount Soft Close Drawer Slides 21 Inch Hidden Bottom Mount Full Extension Cabinet Rails
Budget Pick
6 Pairs 21 Inch Undermount Soft Close Drawer Slides Full Extension Ball Bearing Hidden Rails with 3D
6 Pairs 21 Inch Undermount Soft Close Drawer Slides Full Extension Ball Bearing Hidden Rails with 3D

Top 10 Best Undermount Soft Close Drawer Slides

We researched and compared the top products in the Best Undermount Soft Close Drawer Slides category to provide you with these recommendations.

1. OCG Soft Close Undermount Drawer Slides 21 inch (6 Pairs), Full Extension Concealed Drawer Runners,

  • SOFT CLOSE AND FULL EXTENSION: Full extension opening allows for the entire drawer to be accessed.The Concealed Drawer Glides are rated for heavy-duty use (loads up to 75 lbs), featuring soft-close functionality to ensure the drawer close softly and silently.
  • DURABLE AND COMPATIBLE: Made from high-grade Galvanized steel, Intended for use with Face Frame or Frameless Cabinets. The Soft close bottom mounting drawer slides are compatible with most major drawer and cabinet types (undermount) and are ideal for new construction and replacement projects.
  • INSTALLATION PRECAUTIONSThe overall length is 21.4 inches (543mm). They are suitable for drawers with a depth of 21 inches (533mm). Minimum cabinet depth required is 22.4 inches (569mm). When installing in cabinets with a face frame and requiring mounting brackets, the maximum cabinet depth is 23.0 inches (584mm).
  • PACKAGE INCLUDE: OCG Under mount drawer slides 21 inch (6 pairs), adjustable locking device,rear mounting brackets, mounting screws, installation instructions.
  • Premium Service: Choose the correct size before purchasing; confirm product suitability for your project. Includes Lifelong Technical Support & Service contact us first for prompt resolution of any slide issues. Pay attention to drawer/cabinet depth, drawer side panel thickness, and gap between drawers/cabinet side panels. Refer to the electronic installation manual under "Product Guides and Documents" for specific parameters.

2. LONTAN Undermount Soft Close Drawer Slides 21 Inch Hidden Bottom Mount Full Extension Cabinet Rails

  • SOFT CLOSE & FULL EXTENSION: LONTAN soft close undermount drawer slides equipped hydraulic damper which allows the slides achieve soft close effect. Smooth opening and closing create a warm and quiet family environment for you.The fully extended opening allows access to the entire drawer
  • MATERIAL & INSTALLLONTAN drawer slides are made of high quality galvanized, heavy-duty and durable, load-bearing capacity: 100 LB.It can serve you many years.We are equipped with detailed installation instructions and rear mounting brackets(For Face Framed drawers),easy to install
  • SAFE & BEAUTIFUL:The concealed design of the slide rail makes the furniture look more beautiful and high-end, and the slide rail is placed at the bottom of the drawer to improve the safety of use.It can be installed in either panel (frameless) or face frame (Framed) cabinets
  • PACKAGE CONTENT:1 pair(2 packs) of 21 inch undermount drawer slides,rear mounting brackets, 1D adjustable locking device, mounting screws and instructions.The detailed size can be seen in the picture introduction on the details page.Please choose the right size before you purchase our soft close undermount drawer slides
  • EXCELLENT AFTER-SALE SERVICE: We focus on quality and after-service. If you find any quality problem on our drawer slides, please feel free to contact us, we promise solve it until you are satisfied

3. 6 Pairs 21 Inch Undermount Soft Close Drawer Slides Full Extension Ball Bearing Hidden Rails with 3D

  • Specification: Full extenstion.Length:21inch(533mm); Pull-out length:519mm. Load capacity: 70 LB. Attention: Suitable for the drawer side panel of 5/8" thickness.
  • What's in the package:6 pairs of undermount drawer slides which can be used for 6 drawers including 12 adjusting locking devices and rear mounting brackets.Enough screws and instructions would be provided.
  • Excellent quality:Designed for heavy-duty use.Made of high-grade cold rolled steel in zinc plated finish,preventing rust and ensuring longivity.
  • Quiet and smooth:Soft-closing design and solid steel balls ensures quiet movement when it's opening and closing,creating a silent and comfortable environment for your family.
  • Premium Service:Any problem with your orders,please tell us at any time and we would give you a best solution.

4. Undermount Soft Close Drawer Slides 21inch,6 Pairs Full Extension Drawer Rails Glides Runners with

Undermount Soft Close Drawer Slides 21inch,6 Pairs Full Extension Drawer Rails Glides Runners with
8.9

Sinkgo Home

Check Price On Amazon
  • SPECIFICATION : 6 pairs for 6 drawers.21inch(533mm) under mounted drawer slides.Suitable minimum cabinet depth:about 565mm(22.2").Important point:They are suitalbe for 1/2"or 5/8" thick panel.Please choose the correct size for your drawer.
  • HIGH-QUALITY MATERIALS : Made from high-grade and heavy-duty cold rolled steel with zinc plated,more durable and never rust.Load capacity up to 100lb.
  • FULL EXTENSION : This feature allows you to maximize the use of drawer space,reduce life troubles.And concealed slides makes your drawer look more beautiful.
  • Package Content: Adjustable locking device, rear mounting brackets,mounting screws and detailed instructions are included for easy installation.
  • EXCELLENT SERVICE : If any part missing in the package or any other problems with our drawer slides,please let us know immediately,we'll try best to help you.

5. Undermount Drawer Slides 21 inch (1 Pair), Full Extension Soft Close Concealed Drawer Runners, Come

  • SOFT CLOSE AND FULL EXTENSION: Full extension opening allows for the entire drawer to be accessed. The concealed drawer slides are rated for heavy-duty use (loads up to 75 lbs), featuring soft-close functionality to ensure the drawer close softly and silently.
  • DURABLE AND COMPATIBLE: Made from high-grade Galvanized steel, Intended for use with Face Frame or Frameless Cabinets. Soft close bottom mount drawer slides are compatible with most major drawer and cabinet types (undermount) and are ideal for new construction, remodeling and replacement projects.
  • PACKAGE INCLUDE: OCG Under mount drawer slides 21 inch, adjustable locking device, rear mounting brackets, mounting screws, installation instructions.
  • PRODUCT SPECIFICATIONS: Drawer Length: 533mm(21"), Cabinet Depth Range: about 569mm(22-3/8"), please choose 21" slides.
  • PREMIUM SERVICE: Please choose the right size before you purchase. For our customers, OCG product comes with Lifelong Technical Support & Premium Service. If you have any issues about the slides, please contact us first, we will give you the satisfied solution as soon as possible.

6. BLUM 21 Inch Drawer Slide, Full Extension, Concealed, Undermount. 563H5330B with 100 Lbs. Weight

  • Complete pair for face frame or frameless application
  • Elongated holes for depth adjustment & bottom mount holes
  • Full extension and soft closing
  • 100 lbs static load bearing capacity
  • Four-dimensional adjustment

7. 6 Pairs of 21 Inch Undermount Soft Close Drawer Slides Full Extension Concealed Drawer Rails with

6 Pairs of 21 Inch Undermount Soft Close Drawer Slides Full Extension Concealed Drawer Rails with
8.3

Betesy Hardware

Check Price On Amazon
  • MEASUREMENT:Length:21inch(533mm),inside cabinet length(min):568mm,inside cabinet length(max):588mm.Load Capacity: 85LB.Note: These drawer slides are to be used with 1/2" or 5/8" thick drawer box material. (not recommended for 3/4 inch material.)
  • SOFT CLOSE FUNCTION:Creating less noise when it's opened and closed,providing your family a silent home.
  • HIGH QUALITY:Full extension.Heavy-duty construction.Made from thickened cold rolled steel with a zinc plated finish.Durable for use.
  • PACKAGE CONTENT:6 pair(12 pieces) of 21inch undermount drawer slides,rear mounting brackets, 3D adjustable locking device, mounting screws, instructions for easy installation.
  • LIFETIME SERVICE:Any problems occur,please feel free to let us know first and we'll give you a best solution.

8. 6 Pair of 22 Inch Undermount Soft Close Drawer Slides 100LB Load Capacity Full Extension Concealed

6 Pair of 22 Inch Undermount Soft Close Drawer Slides 100LB Load Capacity Full Extension Concealed
8

Betesy Hardware

Check Price On Amazon
  • MEASUREMENT:Length:22inch(540mm),inside cabinet length(min):558mm.Load Capacity: 100LB.Note: These drawer slides are to be used with 1/2" or 5/8" thick drawer box material. (not recommended for 3/4 inch material.)
  • SOFT CLOSE FUNCTION:Creating less noise when it's opened and closed,providing your family a silent home.
  • HIGH QUALITY:Full extension.Heavy-duty construction.Made from thickened cold rolled steel with a zinc plated finish.Durable for use.
  • PACKAGE CONTENT:6 pairs(12 pieces) of undermount drawer slides,3D adjustable locking device, mounting screws, instructions for easy installation. No rear mounting brackets included.Attention:the slides are designed for frameless cabinet,please make sure that your cabinet is frameless before you place an order.
  • LIFETIME SERVICE:Any problems occur,please don't hesitate to let us know first and we'll give you a best solution.

9. 10 Pair 21" Undermount Drawer Slides Soft Close Full Extension Drawer Rails, Mounting Screws and

10 Pair 21
7.9

Knobonly

Check Price On Amazon
  • Made from high-grade cold rolled steel, zinc plated, steel construction full extension slides are rated for heavy-duty use(loads up to 85 lbs), featuring soft-close functionality to close any drawer softly and silently
  • Size: Length:21 inch; Weight Capacity: 85LB, adjustable locking device, detailed instructions and mounting hardware included for easy installation
  • These slides are compatible with most major drawer and cabinet types(undermount) and are ideal for new construction, remodeling and replacement projects
  • Fits face frame or framless application. These versatile 21 drawer slides can be used for kitchen or bathroom drawers, office desks, or other personal storage areas.
  • Refund or replacement for quality problem, please feel free to contact us if you have you any question with your order, we will solve it in 24 hours

10. VEVOR 6 Pairs 21 Inch of 15 18 21 Inch Soft Close Bottom Mount Drawer Slides, Heavy Duty Ball

  • 100lbs Outstanding Load Capacity: Our galvanized steel design supports a 100lbs weight capacity, clever space configuration, and corrosion resistance. Choose us for quality design and create a beautiful, hassle-free home.
  • Silent Soft Close: A gentle push results in automatic closure, with springs on both sides ensuring a seamless and smooth closing. The dampening hydraulic cylinder provides automatic rebound, and it comes with a 3D adjuster and metal plate for precise calibration, making it suitable for American-style cabinets.
  • Three-Stage Full Extension: No need to search for items - our three-stage full extension drawer design allows for easy and clear access to your belongings. Compared to two-stage designs, it completely eliminates blind spots, making operation more convenient.
  • 3 Universal Sizes: Available in 15", 18", and 21" universal sizes, compatible with various mainstream drawer slide brands, offering flexible replacement options.
  • Installation Guidance: Easily address the pain points of using bottom-mount concealed drawer slides, suitable for drawer side panels with thicknesses of 1/2 inch and 5/8 inch, making the installation process simpler and avoiding unnecessary hassles.

Peter

Related Posts