Disc
3M
3M 34403 Hookit Flexible Dust-Free Abrasive Disc - 6 in, P400 Gray, Medium Grade
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WARNING: Cancer & Reproductive Harm
This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.Tap for details → P65Warnings.ca.gov
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Overview
Built for the job.
3M™ Hookit™ flexible abrasive disc 270J is precision-coated with high quality minerals and resins to deliver longer-lasting performance for primer sanding, blend preparation and paint finishing. Our versatile discs provide excellent cut and finish performance with high flexibility, anti-loading technology and…
Why Pros Choose 3M MMM
- Offers high flexibility and conformability
- Premium quality delivers uniform, consistent finishes every time
- Reduced burn through when sanding thin-coated surfaces
- Wide range of grades for precision perfect results
- 3M™ Hookit™ attachment system provides easy reuse, optimizing disc life
- Long-lasting abrasives reduce material consumption
How to Use
For primer sanding, blend preparation and paint finishing
Compatibility
Compatible substrates: E-Coat.
Specifications
| Part No. | 34403 |
|---|---|
| Product Line | MMM |
| MFR Model | 34403 |
| Application | For primer sanding, blend preparation and paint finishing |
| Manufacturer | 3M Products |
| Alternate Part Number-1 | 60455072649 |
| UPC | 051131344037 |
| Brand | 3M™ |
| Vacuum (yes/no) | Yes |
| Grit | P400 |
| Grade | Medium |
| Abrasive Material | Aluminum Oxide |
| Wet/Dry | Wet/Dry |
| Series | 270J |
| Color | Gray |
| Backing Material | Film |
| Diameter (in) | 6 |
| Attachment Type | Hookit™ Hook and Loop |
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 E-Coat. 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 34403. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Documents & Safety
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 E-Coat. 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 34403. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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