3M 30670 – 800 Grit Hookit™ Purple Finishing Film Disc (6", 50 Pcs, No Holes)

3M 30670 800 Grit Hookit™ Purple Finishing Film Discs are ultra-fine finishing discs designed for final surface refinement, blending, and preparation prior to clear coat or paint in automotive refinishing and industrial sanding applications. Built with 3M’s Purple finishing film technology, these discs offer a smooth, consistent cut with excellent resistance to clogging, helping achieve a swirl-free, uniform finish. The 6-inch diameter and no-hole design make them ideal for use on orbital sanders without dust collection systems or in finish-only applications where a solid abrasive surface is preferred.

Key Features

• Film: Ideal for ultra-smooth surface refinement and final finish prep
• Technology: Open-coated abrasives resist clogging and loading for a cleaner, consistent sanding experience 6"
• Holes): Solid disc design suited for orbital sanders without dust extraction or when a continuous surface is needed
• System: Secure hook-and-loop backing enables quick, tool-free disc changes 50-
• Pack: Large quantity for professional collision centers, body shops, and frequent finishing work

Frequently Asked Questions

What is finishing film vs regular sandpaper?

Finishing film uses uniform grain on a flexible film backing, producing a more consistent scratch pattern — critical for clearcoat sanding where finish quality matters.

What grit for sanding clearcoat?

Start with 1000 or 1200 grit to level the surface, then follow with 1500 and/or 2000 grit before polishing for best results.

Dust free vs no holes — what's the difference?

Dust free discs (with holes) work with vacuum-equipped DA sanders. No-hole discs provide continuous abrasive contact for wet sanding or without vacuum.