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3M Cubitron II 33440 786F Series Sanding Belts, 3/8" W x 13" L, 80+ Grit, Purple, 10 belts per package

33440 (MMM)

3M Cubitron II 33440 786F Series Sanding Belts, 3/8

Product Information

  • Part number: 33440 (MMM)
  • Manufacturer: 3M (MMM)
  • 3M CUBITRON II FILE BELT
$30.36
Retail: 
$38.50

9 In stock

Product Details

3M Cubitron II 33440 786F Series Sanding Belts, 3/8 in W x 13 in L, 80+ Grit, Purple, 10 belts per package

  • 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 life. The resin bond and a grinding aid keep this belt cutting cool and sharp.


  • Features
    • Features 3M's 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
    • A grinding aid further enhances cooler running on high-strength steel
    • Exceptionally long-lasting belt performs consistently and reliably throughout its life
    • Used with the 3M File Belt Sander, easily grinds out rivets and spot welds


  • Specifications
    • Part No.: 33440
    • Product Line: MMM
    • MFR Model: 33440
    • Applications: For tough detail work like cleaning, deburring, blending and finishing as well as working in small confined spaces
    • Manufacturer: 3M Products
    • Alternate Part Number-1: 60455081996
    • UPC: 051131334403
    • Brand: Cubitron II
    • Belt Width (in): 3/8
    • Grit: 80+
    • Belt Length (in): 13
    • Abrasive Material: Precision Shaped Ceramic
    • Wet/Dry: Dry
    • Series: 786F
    • Color: Purple
    • Backing Material: Polyester
  • Part Number 33440, 3M Product Number 786F, 3M ID 60455081996, UPC 051131334403