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▷▷ 2021 ▷ How to use a Dremel to polish aluminum

5 julio, 2021

How to use a Dremel to polish aluminum

by Mary Lougee

Motorcycle Image by Goran Bogicevic from

The new aluminum items have a deep polish finish that reflects like a mirror. Wheels, motorcycle parts, bumpers, or any other aluminum will become dull over time and can acquire holes due to the weather. Dremel manufactures rotary hand tools with accessories that are effective for polishing dull surfaces. Start by using the Dremel to completely sand the aluminum with coarse sandpaper and work towards a fine sandpaper to remove any pits and small scratches. This creates a smooth surface for polishing.

Step 1

Unplug your Dremel from the electrical outlet if you have a corded model.

Step 2

Press and hold the spindle lock button on the top of the spindle near the collar. The collar is a round metal nut that holds the Dremel accessories in the tool.

Step 3

Rotate the tip of the Dremel clockwise by hand until it stops moving. Place the nozzle wrench over the nozzle nut and turn it counterclockwise to loosen it.

Step 4

Slide a 60-grit sanding drum into the nozzle and turn the nozzle wrench clockwise to fully tighten.

Step 5

Plug the Dremel into an electrical outlet.

Step 6

Hold the Dremel as you would a pencil between your thumb, index, and middle finger, in the notch near the tip of the shaft. Turn the Dremel to the low speed setting, or 5,000 rpm on a variable speed Dremel. Slide the “On / Off” button to the “On” position.

Step 7

Run the Dremel over the aluminum object in slow movements from side to side, making sure to sand all areas of the metal.

Step 8

Turn off the Dremel and unplug a model with a cord. Loosen the collar and slide a 120-grit sanding belt into the sanding drum.

Step 9

Repeat the sanding process in the same way. Remove the drum and sanding belt, replace with a 180-grit sanding disc, then a 220-grit disc, and finally a 240-grit disc to finish sanding. Wipe the aluminum with a dry cloth to remove particles.

Step 10

Put a polishing wheel on the Dremel and tighten it completely. Place the tip of the Dremel in a can of polishing blush to apply the blush to the polishing wheel.

Polish the aluminum in the same way that you sanded. Apply more polishing blush as needed to obtain a high-gloss mirror finish on aluminum.


  • Repetitive sanding creates an extremely smooth aluminum product that accepts polishing to a mirror finish.


  • Do not press the aluminum with the Dremel tip. The tool will run on its own without pressure from an operator. Pressing hard can bend, break, or destroy a Dremel accessory.
  • Make sure the collar is snug on each Dremel accessory. A loose collar allows the tips to wobble on the collar, or they can fall off and nick aluminum projects.

Articles will need

  • Nozzle wrench
  • 60 grit sanding drum
  • 120 grit sanding belt
  • 180, 220 and 240 grit sanding discs
  • Washcloth
  • Polishing wheel
  • Blush polish

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