320 Grit Sanding Discs: Ultra-Fine Prep for a Flawless Finish

320 grit sanding discs are designed for ultra-fine finishing and surface refinement. Found in the 5-Inch 8-Hole Sanding Discs, Hook & Loop, Assorted Grit (50-Pack), these discs produce a silky-smooth surface ready for high-end finishes, clear coats, or delicate touch-ups.

Why 320 Grit is the Finisher's Choice

It’s perfect for removing the smallest imperfections and creating a uniform texture without altering the shape or dimensions of your project. This grit is often used between coats or just before the final layer for an ultra-smooth result.

Best Uses for 320 Grit

• Between Coats: Light scuff sanding to improve finish adhesion.
• Final Prep: Prepares bare wood or primer for the last coat.
• Automotive Finishing: Smooths clear coats before polishing.
• Delicate Woodwork: Fine sanding for high-end furniture and cabinetry.

Tools & Setup

• 320 Grit Sanding Disc from the 50-Pack
• Random orbital sander with hook & loop pad
• Dust extraction system or vacuum
• Dust mask and protective eyewear

Step-by-Step: Using 320 Grit

1. Prep the Surface: Ensure it’s already sanded to 220 grit or finer.
2. Attach the Disc: Align the 8 holes for proper dust collection.
3. Sand with Light Pressure: Let the abrasive do the work—avoid forcing it.
4. Work in Overlapping Passes: Cover the surface evenly.
5. Clean Before Coating: Vacuum and tack cloth to remove all dust.

Pro Tips

• Use a fresh disc for best results—worn discs may scratch.
• Always sand with the grain when working with wood.
• Good lighting helps reveal any surface imperfections.

Common Mistakes

• Starting with 320 Grit: Not suitable for heavy material removal.
• Skipping This Step: May leave a less-than-perfect final finish.
• Over-Sanding: Can polish the surface too much, reducing adhesion.

FAQs

• Is 320 grit good for wet sanding? Yes, if the disc is rated for wet/dry use.
• Can it be used on metal? Yes, for light finishing before polishing or painting.
• Should I sand between coats? Yes, to remove dust nibs and improve adhesion.

Watch 320 Grit in Action

When the goal is a flawless, ultra-smooth surface, 320 grit is the professional’s choice. Equip yourself with the 5-Inch 8-Hole Sanding Discs (50-Pack) and make every final pass count.