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Pro-grade auto-body supply · Any quantity · 13,000+ SKUs in stock
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3M Products

3M Products 76634 777F Series Coated Grinding Disc, 3 in Dia, 80 Grit, Medium Grade, 20000 rpm, Yell

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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 Products 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

Technical specifications for 3M™ 76634 777F Series Coated Grinding Disc, 3 in Dia, 80 Grit, Medium Grade, 20000 rpm, Yellow
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 Products

3M Products is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.

Frequently Asked Questions

What surfaces can 3M Products MMM be used on?

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.

How fast does autofxmart ship 3M Products MMM?

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.

Is this 3M Products product genuine?

Yes. autofxmart is an authorized distributor of 3M Products 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 Products MMM?

The MPN for 3M Products 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

Brand3M Products
Part #76634
UPC051144766345
ApplicationAerospace, Defense, Facilities Management, General Industrial, Marine,
Sizebx
ColorYellow
OriginUS
ConditionNew
Alternate Part Number-160650017704
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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