Staff Answer
Mar 11, 2026 - 10:08 AM
Unfortunately not, if you scroll down to the product details for these 21 inch under mount drawer slides, you'll see they're listed with a 90Lb dynamic load rating and a 100Lb static rating.
does18"and 21"Tandem plus Blumotion full extension soft close Undermount come with a 150 lb heavy duty rating [1 - test product ] Blum 21" TANDEM plus BLUMOTION 563H Soft-Close Undermount Drawer Slide for 1/2" - 5/8" Drawer Side Blum 563H5330B
with side adjustable front locking device
Question ID: 78230 Status:
Open Mar 11, 2026 - 10:08 AM
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[1 - test product ] Blum 21" TANDEM plus BLUMOTION 563H Soft-Close Undermount Drawer Slide for 1/2" - 5/8" Drawer Side Blum 563H5330B
Blum TANDEM Undermount drawer slides allow you to build solutions to help you get the most out of your space. Made in the U.S., TANDEM slides are versatile, allowing for solutions for wide drawers, deep drawers, pantry and custom corner applications. And because TANDEM slides are concealed under you...
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