3M 3M-84780 Scotch-Brite Clean and Strip Buffing Discs, 4" Dia, Extra Coarse, 8,000 RPM

Q: How do these compare to wire brushes for rust removal? A: Provide more consistent coverage without wire residue, less vibration, and smoother finish with no breaking bristles.

Q: How do these compare to wire brushes for rust removal? Provide more consistent coverage without wire residue, less vibration, and smoother finish with no breaking bristles.

Q: What tools can I use with these 4-inch buffing discs? A: Work with standard angle grinders and die grinders accepting 4-inch discs up to 8,000 RPM rating.

Q: What tools can I use with these 4-inch buffing discs? Work with standard angle grinders and die grinders accepting 4-inch discs up to 8,000 RPM rating.

Q: Will these discs work on stainless steel? A: Yes, excellent for stainless steel prep as silicon carbide won't contaminate like iron-based abrasives.

Q: Will these discs work on stainless steel? Yes, excellent for stainless steel prep as silicon carbide won't contaminate like iron-based abrasives.

Q: How long do these strip buffing discs typically last? A: Load-resistant design significantly extends working time vs standard discs by preventing clogging throughout disc life.

Q: How long do these strip buffing discs typically last? Load-resistant design significantly extends working time vs standard discs by preventing clogging throughout disc life.

$31.19

Product variants

Professional 3M Scotch-Brite clean and strip buffing discs in 4-inch diameter showing silicon carbide non-woven web construction, displayed on industrial metalworking bench with angle grinder and metal surfaces showing paint removal and rust stripping capabilities for heavy-duty surface preparation applications

Heavy-Duty Rust and Paint Removal – 3M Scotch-Brite Clean and Strip Buffing Discs (3M-84780, 1 Disc)

Professional Strip Buffing Discs with 8,000 RPM Rating

Need buffing discs that deliver aggressive cutting without gouging metal surfaces? These 3M Scotch-Brite clean and strip discs provide 3X faster paint removal than standard abrasives while operating safely at 8,000 RPM maximum speed. The 4-inch diameter silicon carbide construction removes rust, coatings, and scale 50% more efficiently than wire brushes without contamination risk. Perfect for automotive restoration, weld cleaning, and industrial maintenance requiring professional surface preparation with consistent results and extended disc life.

The non-woven web design prevents clogging and maintains cutting action throughout the disc's life, reducing replacement frequency and project costs.

Key Features & Benefits

Product Features Overview
Feature	Benefit
3X Faster Paint Removal	Silicon carbide abrasive removes paint, rust, and coatings 3X faster than standard abrasives while the non-woven web design prevents deep scratches or damage to underlying metal surfaces. This aggressive cutting action reduces project time while maintaining surface integrity for professional results.
Load-Resistant Non-Woven Construction	Open web construction resists clogging with debris, maintaining consistent cutting action throughout the disc's life and reducing the need for frequent replacements. This design prevents loading with paint and contaminants that would reduce effectiveness in traditional abrasive discs.
8,000 RPM High-Speed Rating	Rated for up to 8,000 RPM operation, these buffing discs work smoothly with angle grinders and die grinders without excessive vibration or heat buildup. This high-speed capability allows faster material removal while maintaining operator control and safety during extended use.
50% More Efficient Than Wire	Provides 50% better rust and coating removal efficiency compared to wire brushes while eliminating wire contamination risk and residue concerns. This efficiency reduces labor time and ensures cleaner surface preparation for subsequent coating or welding operations.
4-Inch Professional Diameter	Optimally sized 4-inch diameter provides excellent coverage and control for detailed work on metal surfaces, fitting standard angle grinder and die grinder attachments. This size balances aggressive material removal with precision control for various surface preparation applications.

Perfect Applications for Strip Buffing Discs

These Scotch-Brite abrasive discs excel in demanding metalworking environments where consistent results matter:

Automotive restoration and body work prep.
Weld cleaning and surface preparation.
Industrial maintenance and equipment refurbishing.
Marine repair and coating removal.
Metal fabrication and pipeline work.
Removing scale, corrosion, and old finishes.

Specifications

3M Scotch-Brite Clean and Strip Disc – Complete Specifications
Specification	Value
Model Number	3M-84780
Brand	3M
Diameter	4 inches
Maximum RPM	8,000
Abrasive Material	Silicon Carbide
Grade	Extra Coarse
Construction	Non-Woven Web
Compatible Tools	Angle Grinders, Die Grinders

Frequently Asked Questions

How do these compare to wire brushes for rust removal?

Provide more consistent coverage without wire residue, less vibration, and smoother finish with no breaking bristles.

What tools can I use with these 4-inch buffing discs?

Work with standard angle grinders and die grinders accepting 4-inch discs up to 8,000 RPM rating.

Will these discs work on stainless steel?

Yes, excellent for stainless steel prep as silicon carbide won't contaminate like iron-based abrasives.

How long do these strip buffing discs typically last?

Load-resistant design significantly extends working time vs standard discs by preventing clogging throughout disc life.

Get Professional Results with 3M Scotch-Brite Strip Buffing Discs

Stop wasting time with discs that clog up or wear out quickly. These professional-grade clean and strip discs deliver consistent performance and longer life, saving you money and keeping your projects moving forward.

Order your 3M Scotch-Brite buffing discs today for fast, reliable surface preparation.

About the Brand

3M

View All 3M Products

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