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Circular vs square

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Geoff_S

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I’m talking about palm sanders here.

Is there any difference/advantage/disadvantage between using a palm sander with a circular disc as opposed to a square cut?

Cheers
 
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Yojevol

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Circular disc sanders will be orbital sanders with the disc held on by hook-and-loop. Square ones will be sheet sanders where the abrasive is held on with a clip arrangement. So with my DW sheet/palm sander I can just cut a length off my stock role, punch a few holes in it for dust extraction and fit it on.
Brian
 

Oddbod70

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The circular ones are usually random orbit sanders. The base goes round in little circles while at the same time rotating. (If that makes any sense at all!) they give s a smoother finish.

The square ones are (afaik) just orbital sanders and the base move in little circles but doesn't rotate. These can leave swirl marks.
 
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