DeWalt Orbital Sander Vacuum Attachment: Ports, Adapters & Dust Setup
The quickest way to make a dewalt orbital sander vacuum attachment actually work: the dust port on DeWalt’s current 5-inch random orbital sanders is roughly 1½ inches (about 37–38 mm) across — a size that matches no standard shop-vac hose directly — so you need a 1¼-inch hose plus a small adapter, not a bigger…