Do I need to use all four mounting screws?
Yes. Use all four mounting points.
It is a cantilever shelf carrying its load from the front rails, so leaving half the fixings in the packet is not an improvement.
Thanks — glad it helped.
0 people found this useful
More from Mounting & fixings
Explore related questions about mounting & fixings.
Products this answer covers
This answer applies to 2 products in the Front-Mount Rack Shelves range.
Asked about this product
Original product context
19" 200mm Universal Front-Mount Shelf
SKU: DLX-C-SHELF-19-200F
View product →
This answer also applies to
This answer also covers the following product.