Product Description

Berta Store · 20 Inch Standard Slides

20 Inch Full Extension Drawer Slides

Choose this 20 inch full extension ball bearing slide pack when the drawer and cabinet provide the required mounting space for a 20-inch rail. The standard side-mount design is sold as 10 pairs for repeat cabinet or furniture installations.

  • 20 inch length
  • 10 pairs per pack
  • Side mount
  • Standard closing

Current pack pricing and availability are shown with the product options above.

Specifications

Nominal slide length20 inches; 508 mm by unit conversion
Extension / motionFull extension / ball bearing
Mounting typeSide mount
Closing actionStandard; this is not the separate soft-close model
Material / finishCold-rolled steel / zinc-plated
Listed item dimensions20 × 0.5 × 1.8 inches (length × thickness × profile height)
Pack quantity10 pairs; 20 slide assemblies for up to 10 same-length drawer installations
Published load figureUp to 100 lb in the product listing. Confirm the supplier’s rating and installation conditions for the complete drawer; pack quantity does not multiply one drawer’s capacity.

What is included

  • 10 pairs of 20-inch full extension ball bearing side-mount slides
  • Installation screws
  • Face-frame brackets, as listed for this pack

Measure around rear obstructions

A cabinet’s exterior depth can overstate what is available to the slide. Inspect the back panel, pipes, fasteners and rear hardware before choosing the rail length. The 20-inch label is not a minimum cabinet-exterior-depth specification.

Before mounting: use a sound fastening surface, verify screw length and clearance, and follow the actual slide instructions. Listed item thickness is not a complete installation tolerance. Test the layout before making a full batch of drawer boxes.

Compare other slide systems

Explore all drawer slides, compare soft-close side-mount slides, or review concealed undermount slides before choosing a system. Different systems can require different drawer dimensions and hardware.

Berta Store · Installation Guide

20-inch drawer slides

Drawer Slide Installation Video

Watch Berta's installation video for full-extension, ball-bearing side-mount drawer slides before starting your 20-inch drawer project.

This is a general side-mount installation demonstration, not a size-specific mounting diagram. Confirm the measurements, clearances and hardware required for your 20-inch slides and cabinet before installation.

Watch on YouTube

Fit & Project Planning

Check usable depth before ordering 20 inch drawer slides

Measure from the actual mounting start point

A projecting face frame or an inset drawer front can change where the rail starts. Measure the clear run along that mounting line, then allow for the rear support arrangement specified for the installation. Do not measure around an obstruction and assume the rail can pass through it.

Separate drawer depth from the cabinet shell

In an illustrative 24-inch-deep cabinet shell, the back, front setback and hardware can leave less room for a slide than the exterior number suggests. That does not automatically select 20 or 22 inches; use the measured space, drawer length and the slide instructions together.

Check movement with the planned load

An empty drawer is not the same as the finished working drawer. Include the box and contents in load planning, and follow the supplier’s installation and rating limits. Do not use the 10-pair pack quantity as a multiplier for one drawer’s capacity.

Planning example: Twenty inches equals 508 mm. A rail sold as 500 mm may differ in actual length and mounting pattern. Compare the physical hardware before a replacement purchase.

20 inch drawer slide questions

Will these fit a cabinet with a 20-inch outside depth?

The outside measurement alone is insufficient. The slide, drawer and mounting hardware must fit the clear internal mounting space.

Can I order these for a single drawer?

This listing is a 10-pair pack. One drawer uses one pair in the intended side-mount arrangement, leaving the other pairs for additional compatible drawers.

Where is the matching 20-inch soft-close option?

Use the soft-close side-mount card below to open that family’s 20-inch option. Recheck fit; the linked undermount family does not list a 20-inch variant.

Compare Other Drawer Slides

Find other sizes using the length selector above or browse the Drawer Slides collection. Compare each product's mounting specifications before substituting a different system.