

⚙️ Work smarter, not harder — the ultimate abrasive belt for relentless pros!
The 3M Cubitron II File Belt 33445 is a premium resin-bonded abrasive belt featuring advanced Precision-Shaped Grain technology. It delivers 30% faster cutting speed and twice the lifespan of conventional belts, making it ideal for industrial metalworking tasks like spot weld removal, deburring, and cleaning. Compatible with 3M File Belt Sanders, this heavy-duty belt ensures consistent, efficient performance in demanding workshop environments.
| Manufacturer | 3M |
| Brand | 3M |
| Model | 33445 |
| Item Weight | 3.2 ounces |
| Product Dimensions | 1.38 x 3.5 x 7.88 inches |
| Item model number | 33445 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 33445 |
| Construction | Bonded |
E**W
Outstanding Performance for Spot Weld Removal – Highly Recommend!
The 3M Cubitron II File Belt, 33445 is an excellent tool for anyone needing to perform precise and efficient spot weld removal. The 60+ grit provides an aggressive cut while maintaining control, making it perfect for tackling tough spot welds. These 1/2 in x 18 in belts fit perfectly, offering a smooth and consistent sanding experience. The resin-bonded construction ensures durability and longevity, reducing the frequency of belt replacements. With a pack of 10, it's great value for the money, especially for professionals working on multiple projects. Whether you're working on auto body repairs or other metalworking tasks, the Cubitron II file belts make the job faster and more efficient. Highly recommended for anyone who needs a reliable and high-performance sanding belt!
B**B
worth the 3m price
3m. Costs 3x the price but lasts 3x as long. Great belts.
M**.
Excellent quality
My husband has been the same one for a hot minute. Stays in place and lasts a long time. He normally goes through several in a day for his projects.
A**R
Best belts you can get
Best belts you can buy. Work great for grinding down welds or cleaning rust off of hard to reach areas.
R**O
The expensive becomes worth it
I don’t know what cubitron ll is, but it sure performs well grinding hard steel. High or low speed with prolonged grinding on edges, corners and surfaces, these belts stand up showing little wear. Bi-directional. Worth the higher price compared to cheaper belts that quickly wear out or fall apart. These belts last.
J**E
Excellent File Belt – Durable and Efficient
This file belt is highly durable and efficient, providing smooth and precise sanding. It’s easy to install and delivers consistent performance. A great tool for effective material removal.
M**R
Excellent for Spot Weld Removal
The 3M Cubitron II file belts are fantastic for removing spot welds. The grit is just right for tough jobs, and they last much longer than I expected. I've used them on various metal surfaces, and they consistently deliver smooth results. Highly recommend these belts!
A**K
3m is solid stuff
You can't beat 3m as far as sanding products. Lasts twice as long as everything else out there. Recommend 100 times over
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