Discs
Pro
Grit · 50-3000 set
Diamond Hand Polishing Pad Set (50-3000 grit)
For the hard surfaces that don't open up for just anything.
Grit profile
600 grit sandpaper
Super Fine
Lacquer between coats. Auto primer prep.
What 600 grit is for
600-grit is the lower bound of true polishing prep. It removes 400-grit scratches and leaves a uniform haze ready for finer wet sanding or compound. On lacquer and clear coat, 600 is the cut-back grit for repairs.
Projects at 600 grit
- · Cutting back lacquer drips and runs
- · Wet sanding auto primer before color
- · Metal polishing intermediate step
- · Smoothing CA glue applications on pens
- · Pre-polish on plastic restoration (headlight lenses)
Abrasive materials
- · silicon carbide (wet/dry standard)
- · aluminum oxide
- · ceramic
Common mistake
On bare wood, 600 over-polishes the surface and prevents stain absorption — never use 600 on raw lumber.
Top pick at 600
Diamond Hand Polishing Pad Set (50-3000 grit)
For the hard surfaces that don't open up for just anything.
Catalog fit
2
Current SKU matches in this grit lane.
Common forms
1
Forms represented here, led by discs.
Head to head
1
Comparison pages currently touching this stage of the sanding climb.
Use this grit when
The surface still needs this stage.
- · Lacquer between coats. Auto primer prep.
- · This is refinement territory. It improves the surface that is already close rather than rescuing a rough one.
- · On this site, 600 grit shows up most around auto primer, between lacquer coats, ceramic, and concrete.
Skip this grit when
The job is earlier or later than this.
- · Skip this grit if the surface still has deep scratches, filler ridges, or obvious machine marks from coarse paper.
- · Skip it unless the abrasive itself is labeled for wet use when you plan to add water.
Recommended at this grit.
Discs
Mid
Grit · 600-1500 assorted
3M Wetordry Assorted Pack — 600 to 1500 Grit
The grits between the rough work and the reveal.
Head to head
Comparisons in this lane.
Questions people ask
The practical part.
What is 600 grit actually for?
600 grit is for lacquer between coats. auto primer prep. This is refinement territory. It improves the surface that is already close rather than rescuing a rough one.
What should come before and after 600 grit?
The safe lane is usually 400 -> 600 -> 800. You can stretch that a little on easy material, but large jumps usually leave scratches behind.
Which forms make the most sense at 600 grit?
On UltraRough, this grit shows up most in discs. That reflects where shoppers usually need this cut level in the real world.