Rotary Tool Accessories

Choose a sanding drum, flapwheel or finishing buff

Use the shape of the work to narrow the choice. A drum presents a curved contact surface that can follow the inside of a cutout if its working diameter clears the opening. A flapwheel presents overlapping abrasive leaves and may suit a contour where a rigid contact surface is awkward. For a final pass, look at the finishing buff's material and grit and compare them with the mark you still need to remove.

If you already have a drum, shop from the drum model. For the Dremel 407, Dremel identifies its half-inch replacement bands as models 408, 432 and 445. Compare their grits after you have confirmed the size. A band-only refill makes sense when you have the correct drum. A set that includes a carrier is more useful when you are changing size or starting from scratch.

Compare the carrier shank with your tool's holder separately. For example, Proxxon lists 3 mm carriers for its sanding bands and a different shank size for its nylon fleece brushes. A shared manufacturer and a shared finishing task do not tell you whether the same collet fits both.

Which dimension matters for a narrow recess?

Compare the assembled working diameter to the recess. Then check the width of the abrasive and access to the spot you want to touch. Shank diameter tells you about the tool connection and belongs in a separate check.

Manufacturer references

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