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31446 Sanding Disc, 6 in Dia, 320 Grit β€” Gold

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Original price $8.97
Original price $8.97 - Original price $8.97
Original price $8.97
Current price $8.25
$8.25 - $8.25
Current price $8.25
Save $0.72 (8% off)

3Mβ„’ sanding abrasive discs make sanding easy and convenient; just press the disc on the pad and sand. The disc peels off easily when the job is done, making disc changes fast and convenient. Long-lasting, tough abrasive minerals resist loading for longer disc life and better performance. Premium discs work on a wide…

Why Pros Choose 3M Products MMM

  • Cuts fast - combination of minerals and materials makes auto body sanding faster and easier
  • Lasts longer - coarse aluminum oxide mineral lasts long
  • Clog-resistant sheets - unique 3M mineral blend resists clogging and loading meaning less dust removal
  • Super strong abrasive - 3M's minerals make a tough abrasive that self-fractures to expose new edges which allows for high durability
  • Features durable yet flexible lightweight (A - weight) paper backing to conform to auto body surfaces
  • Range of abrasive grits for each step of auto body repair
  • Discs work with vinyl backup pads and dual action orbital sanders

How to Use

For blending and smoothing primer and paint

Compatibility

Compatible substrates: Aluminum, Fiberglass, SMC.

Specifications

Technical specifications for 3Mβ„’ 31446 Sanding Disc, 6 in Dia, 320 Grit
Part No. 31446
Product Line MMM
Application For blending and smoothing primer and paint
Manufacturer 3M Products
Alternate Part Number-1 60455089361
UPC 051131314467
Brand 3Mβ„’
Grit 320
Disc Diameter (in) 6
Abrasive Material Aluminum Oxide
Color Gold
Backing Material Paper
Attachment Type PSA

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 Aluminum, Fiberglass, SMC. 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 31446. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.

Why Buy from autofxmart

  • Authorized distributor β€” authentic, factory-fresh stock.
  • Fast US shipping β€” most orders ship within 1 business day.
  • 30-day returns β€” buy with confidence.
  • Pro-shop pricing β€” bulk discounts available on request.
  • Expert support β€” questions? Email us at support@autofxmart.com.