3M 31373 150 Grit Cubitron II Clean Sanding Abrasive Discs are high-performance sanding discs engineered for surface preparation, feather-edging, and intermediate sanding in automotive refinishing and industrial finishing applications. Utilizing 3Ms precision-shaped Cubitron II ceramic grain and Clean Sanding technology, these discs provide fast cutting action, extended life, and reduced clogging for smoother, more consistent results. The 6-inch diameter with pre-cut holes makes them ideal for use with random orbital sanders and dust collection systems, helping keep your workspace cleaner and more efficient.
Key Features
- Abrasive: Great for surface prep between coarse and fine stages, feather-edging, and blending
- Grain: Fast cutting performance with longer life and cooler sanding
- Technology: Minimizes clogging and buildup for consistent sanding performance 6″
- Holes: Optimized hole pattern for use with orbital sanders and dust extraction systems 50-
- Pack: Large quantity suited for professional body shops, collision repair, and industrial use
Frequently Asked Questions
What makes Cubitron II different from regular sandpaper?
Cubitron II uses precision-shaped ceramic grain that self-sharpens as it wears, cutting up to 2x faster and lasting up to 2x longer than conventional abrasives.
How long do Cubitron II sheets last?
Cubitron II typically lasts 2x or more compared to standard aluminum oxide abrasives because the ceramic grain self-sharpens rather than dulling.
How much material is on the roll?
Each roll provides 8.75 yards of 2.75-inch wide abrasive.








