3M 31361 – 80 Grit Cubitron™ II Hookit™ Clean Sand Disc (3 in, 50 Pack)
3M 31361 80+ Grit Cubitron™ II Hookit™ Clean Sand Disc (3 in, 50 Pack) is a high-performance abrasive sanding disc engineered for aggressive material removal and surface preparation in automotive collision repair, metalworking, and fabrication environments. Featuring advanced Cubitron™ II ceramic abrasive grain, this clean sand disc delivers fast cutting action, reduced heat buildup, and extended life compared to conventional abrasive discs — making it ideal for weld blending, paint removal, and other prep tasks on smaller surfaces and detailed areas.
Designed with Hookit™ hook-and-loop backing, the disc enables quick changes and secure attachment to compatible 3-inch backing pads and sanders, improving workflow efficiency in professional body shops and refinishing applications. The 80+ grit offers strong stock removal while still allowing surface refinement where needed.
Key Features
- 80+ Grit Aggressive Abrasive: Great for material removal, weld blending, and surface prep
- Cubitron™ II Ceramic Abrasive: Self-sharpening grain for fast, cool cutting and extended 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
Specifications
| Brand | 3M |
| Part Number | 31361 |
| Product Type | DA Sanding Disc |
| Series / Line | Cubitron II |
| Country of Origin | USA |
| — ABRASIVES — | |
| Grit | P80 |
| Disc Diameter | 3 in |
| Hole Pattern | Multi-Hole |
| Backing Material | Coated Paper |
| Abrasive Mineral | Precision-Shaped Ceramic Grain (Cubitron II) |
| Attachment Type | Hook-and-Loop (Hookit) |
| — GENERAL — | |
| Pack Quantity | 50 |
| Unit of Measure | Pack |
| Application | Stock removal in tight areas, Dust-Free Sanding, DA Sanding |
| Safety / PPE Required | Safety Glasses, Dust Mask |
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