3M 31362 – 120 Grit Cubitron™ II Hookit™ Clean Sand Disc (3 in, 50 Pack)

3M 31362 120+ Grit Cubitron™ II Hookit™ Clean Sand Disc (3 in, 50 Pack) is a professional-grade abrasive sanding disc engineered for surface preparation, material removal, and refinement in automotive collision repair and metalworking applications. Featuring 3M’s advanced Cubitron™ II ceramic abrasive grain, this clean sand disc delivers fast and controlled cutting performance while reducing heat buildup and extending disc life compared to traditional abrasive products. The 120+ grit offers balanced material removal with surface finish quality, making it suitable for prep work and refinement tasks. Equipped with a Hookit™ hook-and-loop backing system, the disc allows quick changes and secure attachment to compatible 3-inch backing pads and sanders, supporting efficient workflow in busy body shops and professional refinishing environments.

Key Features

• Abrasive: Ideal for surface preparation, material removal, and refinement
• Abrasive: Self-sharpening grain for fast, cool cutting and extended life
• Backing: Enables fast disc changes and secure attachment 3 in
• Diameter: Designed for use with standard 3-inch backing pads and sanders
• Design: Reduces heat buildup and glazing during sanding 50
• Pack: Professional quantity for frequent 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.