3m Cubitron 3 Abrasive File Belt 33478, 80+, 1/2 In X 18 In (12.7 Mm X 457.2 Mm)

Features and Benefits:

• Re-engineered precision-shaped grain to cut faster and last longer than conventional ceramic abrasives or 3M Cubitron II products*
• Slices through hard metal for fast cut with re-engineered precision shaped grain
• Exceptionally long-lasting belt performs consistently and reliably throughout its life
• Fits various types of tools available on the market.
• Used with the 3M File Belt Sander, easily grinds out rivets and spot welds
• Available in a range of coarse grades



Use 3M Cubitron 3 Abrasive File Belt for enhanced productivity and efficiency in your workshop. This upgraded file belt features re-engineered precision-shaped ceramic grains with a proprietary breakthrough in grain shape, including curved sides, offering faster cutting and longer-lasting performance compared to predecessors* and also select leading global competitors**. Ideal for tough detail work such as cleaning, deburring, blending, and finishing, it excels in small, confined spaces. The 3M Cubitron 3 File Belt is available in various coarse grades, widths, and lengths, making it compatible with a wide range of file belt tools. Its extended life and reduced need for changeouts help decrease waste and lower overall grinding costs, contributing to maximize productivity in the workshop. *Based upon 3M internal automatedtesting against Cubitron II in 2025 // **Based upon 3M internal automatedtesting against leading global competitors in 2025