3M 31376 – 80 Grit Cubitron™ II Hookit™ Clean Sand Disc (8 in, 25 Pack)

3M 31376 80+ Grit Cubitron™ II Hookit™ Clean Sand Disc (8 in, 25 Pack) is a high-performance abrasive disc designed for aggressive material removal, surface preparation, and blending tasks in automotive body repair and metalworking applications. Utilizing advanced Cubitron™ II ceramic abrasive grain, this sanding disc delivers fast cutting action, reduced heat buildup, and extended disc life compared to traditional abrasives, making it ideal for heavy stock removal, weld blending, and shaping tasks. The Hookit™ hook-and-loop backing provides quick disc changes and secure attachment to compatible 8-inch backing pads and sanders, improving workflow efficiency in professional body shops and refinishing environments. The 80+ grit delivers a balance of fast cut rates with surface refinement for effective prep work.

Key Features

• Abrasive: Ideal for material removal, weld blending, and surface preparation
• Abrasive: Self-sharpening grain for fast, cool cutting and long life
• Backing: Allows quick disc changes and secure attachment 8 in
• Diameter: Designed for use with standard 8-inch backing pads and sanders
• Design: Reduces heat buildup and glazing during sanding 25
• Pack: Professional quantity for collision repair and metalworking

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.