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⚡ Slice faster, last longer — the ultimate abrasive edge for pros.
The 3M Cubitron II File Belt 33446 (80+ grit, 1/2 in x 18 in) is a premium resin-bonded abrasive belt designed for industrial metalworking. Featuring 3M’s Precision-Shaped Grain technology, it delivers 30% faster cutting speed and twice the lifespan of conventional abrasives. Ideal for spot weld removal, deburring, and rivet grinding, this pack of 10 heavy-duty belts ensures consistent, reliable performance in demanding workshop environments.
| ASIN | B00PB3OFSO |
| Best Sellers Rank | #51,777 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #56 in Sander Belts |
| Brand | 3M |
| Brand Name | 3M |
| Compatible Material | Metal |
| Customer Reviews | 4.8 out of 5 stars 254 Reviews |
| Global Trade Identification Number | 00051131334465, 50051131334460 |
| Grit Material | Aluminum Oxide, Ceramic |
| Grit Material Type | Aluminum Oxide, Ceramic |
| Grit Number | 80 |
| Grit Type | 80+ Grit |
| Included Components | Item |
| Item Diameter | 0.5 inches |
| Item Dimensions | 1.38 x 3.5 x 7.88 inches |
| Item Weight | 3.68 ounces |
| Item dimensions L x W x H | 1.38 x 3.5 x 7.88 inches |
| Manufacturer | 3M |
| Material | Alloy Steel , Metal, Resin |
| Material Type | Alloy Steel, Metal, Resin |
| Model | 33446 |
| Number of Items | 10 |
| Part Number | 33446 |
| Set Name | Pack of 10 |
| UPC | 051131334465 |
| Unit Count | 1 Count |
| Warranty Description | 1 yr warranty from date of shipment from vendor |
C**J
The only brand to buy
10x the lifespan of the cheaper belts. These are awesome and well worth the price!
A**N
These sanding belts were my go-to for these carvings
Right out of the box, I could tell these sanding belts were solid. The grit didn’t just rub off on my fingers like some cheaper ones do—it felt like it was built to last. I used it on a big wood project, and the grit held up way longer than the other sanding belts I’ve tried. Even the expensive big name brands from Lowes and Home Depot fell short in comparison. These stayed effective, sanding efficiently without losing grit, even after a lot of use. This is definitely a quality product that lasts longer than most, and I’ll be stocking up on more for sure
J**N
Little pricy but great quality and worth the money .
These are excellent for sanding and grinding .
C**E
Try the rest... then buy the best.
They're not expensive, they're fairly priced for what you get. I can run through 5 or 6 of the cheap ones to one of these and still not get good results with the cheap ones. Cubitron is magic... they don't contaminate my aluminum for welding, they are durable beyond expectations, I've never had one snap ..
J**R
Will get again
They work great and last a long time
A**R
Great belts
Awesome belts. Have lasted quite a while doing truck floor pans and get mill scale off hard to reach spots on stamped sheet metal.
D**S
Good
Good
T**S
Good quality, belts last a decent amount of time
Great quality, another great product from 3M. Works great with Milwaukee m12 grinder.
A**R
Works Great! Long lasting!
Spend the money on good ones. I used cheap no name ones and they all broke on the first job. These are the real deal. These or the Norton Blaze is all I use for belts now.
P**T
rien
Le produit commander correspond ce dont j'avais besoin ,livraison rapide prix compétitif trois boîte pour le prix de deux sur un autre site Rien a dire de plus Merci
M**N
Great purchase
These work fantastic for removing spot welds.
Trustpilot
1 day ago
3 weeks ago