Abrasive and Backing Design
3M Precision Shaped Grain is resin-bonded on a heavy duty backing for a more consistent finish, cooler operation and two times more belt life.
3M™ Cubitron™ II File Belt, 786F, Carton
3M™ Cubitron™ II File Belt, 786F, Carton
SKU:33437
3M · PBE product guide
3M™ Cubitron™ II File Belt, 786F, Carton
Cubitron™ II File Belts 786F is a 3M best-in-class abrasive belt, designed for use with the 3M™ File Belt Sander, for tasks like grinding out rivets and removing spot welds. 3M Precision Shaped Grain is resin-bonded on a heavy duty backing for a more consistent finish, cooler operation and two times more belt life.
THE ESSENTIALS
At a glance
- Product type
- File Belts
- Size
- 3/8" x 13", 1/2" x 18", 3/4" x 20-1/2"
- Grit
- 36+, 60+, 80+
- Available configurations
- 9
- Manufacturer part numbers
- 33437, 33439, 33440, 33443, 33445, plus 4 more
- Sold by PBE Direct
- 1 package for the selected option
WHY IT WORKS
Why this product
CHOOSE WITH CONFIDENCE
Choose the abrasive for the job
- Match the size and grit option to the sanding step, workpiece, and finish requirement.
- Use the coarsest grit needed for the required cut, then plan a progression that removes the previous scratch pattern.
- Confirm the backing, attachment, dimensions, and maximum speed fit the tool or hand block before use.
WHAT YOU'LL RECEIVE
Options and package details
| MPN | Customer choice | Sold by PBE Direct | UPC |
|---|---|---|---|
| 33437 | Size: 3/8" x 13" · Grit: 36+ | 1 package for the selected option | 051131334373 |
| 33439 | Size: 3/8" x 13" · Grit: 60+ | 1 package for the selected option | 051131334397 |
| 33440 | Size: 3/8" x 13" · Grit: 80+ | 1 package for the selected option | 051131334403 |
| 33443 | Size: 1/2" x 18" · Grit: 36+ | 1 package for the selected option | 051131334434 |
| 33445 | Size: 1/2" x 18" · Grit: 60+ | 1 package for the selected option | 051131334458 |
| 33446 | Size: 1/2" x 18" · Grit: 80+ | 1 package for the selected option | 051131334465 |
| 33449 | Size: 3/4" x 20-1/2" · Grit: 36+ | 1 package for the selected option | 051131334496 |
| 33451 | Size: 3/4" x 20-1/2" · Grit: 60+ | 1 package for the selected option | 051131334519 |
| 33452 | Size: 3/4" x 20-1/2" · Grit: 80+ | 1 package for the selected option | 051131334526 |
COMPATIBILITY
Abrasive and tool compatibility
- Match the abrasive diameter or sheet size and attachment style to the exact tool or block.
- Use only at or below the abrasive's rated speed and with the tool's required pad, guard, or dust-control equipment.
- Test the selected grit and process on a small area when the finish system or substrate is unfamiliar.
QUICK ANSWERS
Common questions
Which size should I choose?
Choose among 3/8" x 13", 1/2" x 18", 3/4" x 20-1/2". Match the selection to the work and the manufacturer's current instructions.
What arrives when I order one?
One order adds one package for the selected option. The table above shows the exact choice tied to each MPN.
How do I choose the right grit?
Start with the surface condition and the next coating or finishing step. Follow the paint or repair system's grit sequence rather than choosing only by how fast the abrasive cuts.
What should I verify before using 3M™ Cubitron™ II File Belt, 786F, Carton?
Confirm the selected MPN, application, required companion products or accessories, and current 3M instructions before use.
Regular price
$29.00
Regular price
$32.59
Sale price
$29.00
Shipping calculated at checkout.
Quantity
Couldn't load pickup availability
- Ships in 1–2 business days from Eugene, OR
- Free ground shipping over $425 · $9.99 under
- Free pickup in Eugene, OR — usually ready in 24 hours
- 30-day returns on unopened, resalable items
In stock
Product features
Product features
Technical details
General
- Part number
- 33437
- Brand
- 3M
- Product type
- File Belts
3M™ Cubitron™ II File Belt, 786F, Carton
$29.00