










⚙️ Slice, grind, and conquer with Cubitron II – the ultimate abrasive edge!
The 3M Cubitron II File Belt 33439 is a premium 60+ grit resin-bonded abrasive designed for industrial use. Featuring precision-shaped ceramic grains, it delivers 30% faster cutting and twice the lifespan of conventional belts. Ideal for spot weld removal, deburring, and metal finishing, it ensures reliable, heavy-duty performance when paired with 3M File Belt Sanders.
| Material | Alloy Steel, Metal, Resin | 
| Grit Material | Ceramic | 
| Item dimensions L x W x H | 1.38 x 2.63 x 5.5 inches | 
| Brand | Cubitron | 
| Grit Type | 60+ Grit | 
| Item Weight | 2.4 ounces | 
| Grit Number | 60 | 
| UPC | 051131334397 | 
| Number of Items | 10 | 
| Global Trade Identification Number | 00051131334397, 50051131334392 | 
| Manufacturer | 3M | 
| Model | 33439 | 
| Product Dimensions | 1.38 x 2.63 x 5.5 inches | 
| Item model number | 33439 | 
| Is Discontinued By Manufacturer | No | 
| Manufacturer Part Number | 33439 | 
| OEM Part Number | 33439 | 
| Construction | Bonded |