3M 31487 – 800 Grit Cubitron™ II Hookit™ Clean Sand Disc (6 in, 50 Pack)

3M 31487 800+ Grit Cubitron™ II Hookit™ Clean Sand Disc (6 in, 50 Pack) is a high-performance abrasive disc engineered for ultra-fine finish sanding and surface refinement in automotive collision repair and refinishing applications. Featuring advanced Cubitron™ II ceramic abrasive grain, this sanding disc delivers precise, consistent scratch patterns while minimizing heat buildup and glazing during sanding, making it ideal for fine finish work prior to polishing or coating application. The Hookit™ hook-and-loop backing system enables quick disc changes and secure attachment to compatible 6-inch backing pads, supporting efficient workflow in professional body shops and refinishing environments. The 800+ grit provides an optimal balance of surface refinement for final sanding and contour blending.

Key Features

• Abrasive: Ideal for surface refinement and final finish sanding
• Abrasive: Self-sharpening grain for consistent performance and extended life
• Backing: Enables quick disc changes and secure attachment 6 in
• Diameter: Designed for use with standard 6-inch backing pads and sanders
• Design: Reduces heat and glazing during fine sanding 50
• Pack: Professional quantity for collision repair and refinishing

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.