Disc
3M
3M 76634 777F Coated Grinding Disc 3 in 80 Grit Yellow, Medium Grade
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Overview
Built for the job.
3M™ Roloc™ disc 777F features 3M™ engineered high performing ceramic abrasive grain blended with aluminum oxide for a combination of durability and cutting efficiency that increases productivity for both stock removal and finishing. The heavy, water-resistant polyester backing supports…
Why Pros Choose 3M MMM
- A blend of ceramic and aluminum oxide mineral self-sharpens and offers improved durability and cut rate over aluminum oxide
- 3M™ Roloc™ attachment enables efficient and secure installation and removal of the disc
- Polyester backing is extremely tough to support medium pressure applications while maintaining consistent performance in both wet and dry applications
- Grinding aid reduces grinding temperatures for processes involving heat sensitive alloys such as stainless steel, nickel alloys, and titanium
- Heat-resistant resin coating bonds abrasive to backing for durability under pressure, heat and water
How to Use
Aerospace, Defense, Facilities Management, General Industrial, Marine, Metalworking, MRO, Transportation and Heavy Equipment
Compatibility
Compatible substrates: Steel, Aluminum, Stainless.
Compatible paint systems: Polyester.
Specifications
| Part No. | 76634 |
|---|---|
| Product Line | MMM |
| MFR Model | 76634 |
| Application | Aerospace, Defense, Facilities Management, General Industrial, Marine, Metalworking, MRO, Transportation and Heavy Equipment |
| Manufacturer | 3M Products |
| Alternate Part Number-1 | 60650017704 |
| UPC | 051144766345 |
| Brand | 3M™ |
| Grit | 80 |
| Grade | Medium |
| Disc Diameter (in) | 3 |
| Abrasive Material | Ceramic |
| Maximum Speed (rpm) | 20000 |
| Series | 777F |
| Color | Yellow |
| Backing Material | Polyester Cloth |
| Attachment Type | Roloc™ TR |
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
What surfaces can 3M MMM be used on?
3M MMM is compatible with Steel, Aluminum, Stainless. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
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 support@autofxmart.com and we will make it right.
What is the manufacturer part number (MPN) for 3M MMM?
The MPN for 3M MMM is 76634. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Documents & Safety
Warning: This grinding disc contains materials that may cause serious health effects including cancer, reproductive harm, and respiratory issues. Dust generated during use can damage eyes and lungs. Required safety equipment: safety glasses or face shield and appropriate respirator. Avoid skin contact and inhalation of dust particles. Use adequate ventilation and follow proper dust collection procedures. 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 support@autofxmart.com.
How to apply
Steps
1Pick the right grit for the stage of work.
2Mount on your sander or backing block.
3Work evenly and let the abrasive cut.
4Step through finer grits to refine.
5Blow off and wipe the surface before the next step.
Specifications
Full data
Frequently asked
Good to know
3M Products MMM is compatible with Steel, Aluminum, Stainless. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
Most in-stock orders for 3M Products 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.
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 support@autofxmart.com and we will make it right.
The MPN for 3M Products MMM is 76634. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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