These holes help to pull dust away from the sandpaper’s surface so it doesn’t become clogged with sanding debris. Without the holes, the dust would gunk up on the sandpaper surface which would create a layer between what you are sanding and the abrasives, causing it to not effectively work.
Considering this, how do you poke holes in sandpaper?
Also to know is, what are the holes on a sander for? The punch plate puts holes in the sandpaper so that it can be locked into the sander. It is like a template to make the sandpaper have a custom fit to this particular sander. It works well. 2 of 2 found this helpful.
Furthermore, what is the purpose of holes in sandpaper?
The sander has corresponding holes in the mounting surface so the sanding dust gets sucked into a dust collection bag. Do you find this helpful? to get rid of dust while you are sanding. some sanders have a connection to hook up a vacuum or dust collection machine.