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3M Products Cubitron II 33446 File Belt, 1/2 in W x 18 in L, 80 Grit, Purple
3M Products Cubitron II 33446 File Belt, 1/2 in W x 18 in L, 80 Grit, Purple — view 2
3M Products Cubitron II 33446 File Belt, 1/2 in W x 18 in L, 80 Grit, Purple — view 3
3M Products Cubitron II 33446 File Belt, 1/2 in W x 18 in L, 80 Grit, Purple
3M Products Cubitron II 33446 File Belt, 1/2 in W x 18 in L, 80 Grit, Purple — view 2
3M Products Cubitron II 33446 File Belt, 1/2 in W x 18 in L, 80 Grit, Purple — view 3

Cubitron II 33446 File Belt, 1/2 in W x 18 in L, 80 Grit, Purple

by 3M Products
Sale Sale
$57.57
$57.57 - $57.57
$57.57
$52.99
$52.99 - $52.99
$52.99
Save $4.58 (7% off)

3M™ Cubitron™ II File Belts 786F is a 3M™ best-in-class abrasive belt, designed for use with the 3M™ File Belt Sander, for tasks like grinding out rivets and removing spot welds. 3M™ Precision Shaped Grain is resin-bonded on a heavy duty backing for a more consistent finish, cooler operation and two times more belt…

Why Pros Choose 3M Products MMM

  • 3M™ tough and best in class Cubitron™ II mineral
  • Grains of ceramic/aluminum oxide blend are precisely shaped, uniformly sized and vertically oriented
  • Slices through hard metal for fast cut
  • Cubitron™ II abrasives run cooler, reducing risk of metal discoloration/oxidation and heat related stress cracks
  • High cut rate
  • Durable
  • Long lasting
  • High productivity

Compatibility

Compatible substrates: Aluminum.

Specifications

Technical specifications for Cubitron™ II 33446 File Belt, 1/2 in W x 18 in L, 80 Grit, Purple
Part No. 33446
Product Line MMM
MFR Model 33446
Manufacturer 3M Products
Alternate Part Number-1 60455082069
UPC 051131334465
Brand Cubitron™ II
Maximum Sale Quantity 5
Maximum Sale Day 7
Belt Width (in) 1/2
Grit 80
Belt Length (in) 18
Color Purple

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. 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 33446. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.

Documents & Safety

Warning: This abrasive belt contains materials that may cause eye damage, skin irritation, and respiratory issues with prolonged exposure. Always wear eye protection and appropriate respiratory protection when sanding. The product may also contain materials with potential carcinogenic and reproductive health concerns. If material gets in eyes, flush immediately with large amounts of water. Wash skin contact areas with soap and water. 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.