Standard side mount
18 Inch Drawer Slides
A 18-inch standard option to compare with your required rail length and mounting space.
10 pairs · 18 in. nominal length
Full extension · Ball bearing
Full extension · Ball bearing
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20 Inch Drawer Slides – 10 Pairs Full Extension Ball Bearing
- Regular price
- $93.99
- Regular price
- $93.99
Berta Store · Installation Guide
20-inch drawer slidesDrawer Slide Installation Video
Watch Berta's installation video for full-extension, ball-bearing side-mount drawer slides before starting your 20-inch drawer project.
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 nearby standard lengths
Choose a different length only when it suits the complete drawer and cabinet mounting plan. These alternatives retain the standard side-mount format.
Standard side mount
22 Inch Drawer Slides
A 22-inch standard option to compare with your required rail length and mounting space.
10 pairs · 22 in. nominal length
Full extension · Ball bearing
Full extension · Ball bearing
Compare closing action and mounting style
The products below are different systems, not a promise of direct replacement compatibility. Read the selected product’s own sizing and installation requirements.
Different closing action
Soft-Close Side-Mount Slides
Compare the 20-inch soft-close side-mount option. Check its mounting instructions and clearances before switching.
10-pair kit · Side mount
Different mounting system
Soft-Close Undermount Slides
Concealed soft-close hardware in 12, 15, 18 and 21 inch lengths. Drawer-box construction and mounting requirements differ from side mounts.
10-pair kit · Concealed undermount