Answer
For chair spindles, use 180 for rough spots, then 220 and 320 with light pressure.
Why it happens
Round spindles need light sanding that follows the curve without flattening the profile.
Recommended grit
Use 180 for roughness, then 220 and 320 for a smoother hand feel.
Wet or dry
Dry.
Success check
The spindle feels smooth and keeps its rounded shape.
What to do
- Clean dust and old residue from the spindle.
- Sand rough areas with 180.
- Refine with 220.
- Use 320 lightly for a smoother feel before finish.
Avoid: Do not flatten round spindle profiles with hard pressure.