3M 31363 – 150 Grit Cubitron™ II Hookit™ Clean Sand Disc (3 in, 50 Pack)

3M 31363 150+ Grit Cubitron™ II Hookit™ Clean Sand Disc (3 in, 50 Pack) is a high-performance abrasive sanding disc designed for surface preparation, material removal, and refinement in automotive collision repair and metalworking applications. Featuring advanced Cubitron™ II ceramic abrasive grain, this clean sand disc delivers fast, controlled cutting action with reduced heat buildup and longer life compared to traditional abrasive discs — ideal for refining surfaces prior to painting, coating, or polishing.

Equipped with Hookit™ hook-and-loop backing, the disc allows for quick changes and secure attachment to compatible 3-inch backing pads and sanders, making it a reliable choice for professional body shops, fabrication shops, and refinishing technicians working in tight or detailed areas. The 150+ grit provides a balanced combination of material removal and surface finish quality.

Key Features

• 150+ Grit Abrasive: Ideal for surface preparation and material refinement
• Cubitron™ II Ceramic Abrasive: Self-sharpening grain for fast, cool cutting and extended service life
• Hookit™ Hook-and-Loop Backing: Enables quick disc changes and secure attachment
• 3 in Diameter: Designed for use with standard 3-inch backing pads and sanders
• Clean Sand Disc Design: Reduces heat buildup and glazing during sanding
• 50 Discs Per Pack: Professional quantity for frequent use