Match the abrasive and collection setup to the tool.

Choose the operation and material first, then narrow the tool type. Random-orbit sanders, sheet sanders and angle grinders share a broad catalog category but use different accessory arrangements. Even an angle grinder with a supported sanding operation does not automatically take the discs used on a random-orbit sander. Keep the accessory manufacturer’s intended use with the tool instructions.

For round sanding discs, check three separate fields: diameter, attachment and extraction-hole pattern. DEWALT DCW210B and Bosch GEX18V-5N are 5 in examples with hook-and-loop attachment and eight-hole pads. This gives you a way to screen consumables, while the exact pad and abrasive instructions still decide suitability. The DCW210 Type 2 manual specifically excludes drywall applications, so its general sanding title should not become a drywall recommendation.

A quarter-sheet arrangement is a different purchase path. RYOBI PCL401B uses a paper clamp system and its manufacturer package prose lists a dust bag, sandpaper assortment and paper punch. Research the permitted sheet preparation and paper requirements for that model. Its 1/4-sheet format is not a smaller round-disc size and should not be compared as one.

For an angle grinder, add wheel type, dimensions, mounting hardware, speed rating and the required guard to the shortlist. Milwaukee’s 2880-20 instructions require a suitable accessory speed rating and matched guard arrangement; the package lists Type 27 and Type 1 clip-on guards. Its paddle switch without lock-on also differs from XAG16Z’s slide switch with lock-on. Compare the exact controls and instructions rather than assuming every braking grinder behaves the same way.

Plan collection as part of the complete setup. A supplied dust bag or tool port does not mean every hose connects directly, and a matching connector does not establish that the vacuum supports the material. Bosch lists specific hose and adapter options for GEX18V-5N. Save the tool, intended abrasive and required connection together, then verify the current instructions before buying. Tool Drip makes no measured finish, extraction or runtime ranking.