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The 3M Cubitron II File Belt 33439 is a premium resin-bonded abrasive belt featuring 60+ grit precision-shaped ceramic grains. Designed for industrial use, it delivers 30% faster cutting and twice the lifespan of traditional belts, making it ideal for spot weld removal, rivet grinding, and detailed metal finishing in confined spaces. Compatible with most file belt sanders, it maximizes productivity with reliable, heavy-duty performance.
| 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 | 3M |
| Grit Type | 60+ Grit |
| Item Weight | 0.15 Pounds |
| Grit Number | 60 |
| UPC | 051131334397 |
| Number of Items | 10 |
| Global Trade Identification Number | 00051131334397, 50051131334392 |
| Manufacturer | 3M |
| Model | 33439 |
| Item Weight | 2.4 ounces |
| 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 |
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