320 Grit Sanding Discs: Ultra-Fine Finishing for a Professional Touch

320 grit sanding discs are the choice for ultra-fine surface preparation and between-coat sanding. Found in the 5-Inch 8-Hole Sanding Discs, Hook & Loop, Assorted Grit (50-Pack), these discs deliver a silky smooth texture ideal for high-end finishes and final polishing steps.

Why 320 Grit is the Finishing Touch

It’s perfect for removing tiny imperfections and creating an even, polished base for topcoats. Whether on wood, metal, or painted surfaces, 320 grit ensures the surface is ready for that flawless final layer.

Best Uses for 320 Grit

• Between Coats: Light scuff sanding to improve finish adhesion.
• Final Prep on Wood: Smooths surfaces for ultra-clear finishes.
• Automotive Clear Coats: Levels the surface before polishing.
• Detail Work: Ideal for high-end cabinetry and trim.

Tools & Setup

• 320 Grit Sanding Disc from the 50-Pack
• Random orbital sander with hook & loop pad
• Dust collection or vacuum system
• Safety glasses and dust mask

Step-by-Step: Using 320 Grit

1. Prep the Surface: Sand to 220 grit first for a clean base.
2. Attach the Disc: Align the 8-hole pattern for optimal dust removal.
3. Sand Lightly: Let the abrasive do the work; avoid heavy pressure.
4. Cover Evenly: Use overlapping passes for consistent results.
5. Clean Thoroughly: Remove all dust before applying the final coat.

Pro Tips

• Use a fresh disc to avoid micro-scratches.
• Good lighting helps spot imperfections before the final finish.
• Always sand with the grain for the cleanest look on wood.

Common Mistakes

• Skipping 320 Grit: Can leave micro-defects visible after finishing.
• Using Too Early: Not effective for heavy smoothing or shaping.
• Oversanding: Can over-polish, reducing coating adhesion.

FAQs

• Can I use 320 grit wet? Yes, if the disc is rated for wet/dry use.
• Is it good for metal? Excellent for final prep before polishing.
• Can it be used between paint coats? Absolutely—it helps remove dust nibs and improve smoothness.

Watch 320 Grit in Action

For those final, critical passes that make your project stand out, 320 grit sanding discs deliver unmatched smoothness. Stock up on the 5-Inch 8-Hole Sanding Discs (50-Pack) and achieve a true professional finish every time.