Sanding Belts

3M CUBITRON 3 PURPLE FILE BELT 20 X 520MM

3M™ Cubitron™ 3 Abrasive File Belt is an advanced abrasive file belt designed for superior performance in spot weld removal and other grinding/sanding applications within the collision repair market. Available in a range of grades and sizes, this file belt can be used with various types of file belt sanding tools available in the market.

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. 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 automated testing against Cubitron™ II in 2025 //
**Based upon 3M internal automated testing against leading global competitors in 2025

• 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
Product Name Price Quantity
Code: 3M33486
3M 33486 P80 LARGE SANDING BELTS 20MM X 520MM BOX 10
$55.00