Built for the job.
Scotch-Brite™ durable flex belt is engineered to perform tough detail work such as deburring, blending and finishing on a variety of metals. The reinforced, low stretch backing and superior edge durability aid in supplying an aggressive cutting ability. Conformable, non-woven Scotch-Brite™ abrasives refine and prep…
Why Pros Choose 3M MMM
- Tough, long-lasting non-woven belt is effective for deburring, blending and cleaning
- Offers great edge durability
- Higher flexibility resists “chunking” and performs well on belt sanders with small contact wheels
- Reinforced low stretch backing provides aggressive conditioning capability and good flexibility
- Provides controlled cut to eliminate gouging and leaves a burr-free finish
- Offers the best flexibility in the Scotch-Brite™ surface conditioning belt family
How to Use
For cleaning, deburring, finishing, grinding, surface preparation, general industrial, marine, metalworking, MRO, transportation and heavy equipment, file belt sanders, inline sanders, manual backstand
Specifications
| Part No. | 77256 |
|---|---|
| Product Line | MMM |
| MFR Model | 77256 |
| Application | For cleaning, deburring, finishing, grinding, surface preparation, general industrial, marine, metalworking, MRO, transportation and heavy equipment, file belt sanders, inline sanders, manual backstand |
| Manufacturer | 3M Products |
| UPC | 0007630877256 |
| Brand | Scotch-Brite™ |
| Belt Width (in) | 3/8 |
| Belt Length (in) | 13 |
| Grade | Medium |
| Abrasive Material | Aluminum Oxide |
| Color | Maroon |
About 3M
3M is a global leader in abrasives, masking, and body repair products. Trusted by OEM collision centers for high-performance prep and finishing solutions.
Frequently Asked Questions
How fast does autofxmart ship 3M MMM?
Most in-stock orders for 3M MMM ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Is this 3M product genuine?
Yes. autofxmart is an authorized distributor of 3M products. Every unit is factory-fresh, sealed, and backed by the manufacturer’s standard warranty. If you have a concern, contact [email protected] and we will make it right.
What is the manufacturer part number (MPN) for 3M MMM?
The MPN for 3M MMM is 77256. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Documents & Safety
- Safety Data Sheet (SDS)
- cubitronii_33455_catalog.pdf
- 3m_14264_user_manual.pdf
Warning: This abrasive belt contains materials that may cause serious health hazards including cancer, reproductive harm, and organ damage. Dust generated during use can cause respiratory irritation and eye damage. Required PPE: safety glasses or goggles and appropriate respirator. Avoid breathing dust. Use adequate ventilation. Wash hands thoroughly after handling. In case of eye contact, flush immediately with water. Always refer to the full SDS before use.
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at [email protected].








