3M Cubitron II 33440 786F Series Sanding Belts, 80+ Grit, 3/8" x 13", Purple, 10-Pack
3M Cubitron II 33440 786F Series Sanding Belts, 80+ Grit, 3/8" x 13", Purple, 10-Pack
- The 3M Cubitron II 33440 786F Series sanding belts deliver fast, long-lasting abrasive performance for metalworking tasks such as spot weld removal, grinding, deburring, blending, and finishing in collision centers and metal fabrication shops.
- 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
- Includes:
- Ten (10) sanding belts, each 3/8" × 13", 80+ grit, purple color
- 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
- 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
- 3M Cubitron II 33440 786F Series Sanding Belts are also referred to as 3M 33440, 3M Cubitron II belts, 786F sanding belts, 3M file belt sander belts, Cubitron II 3/8 x 13 belts, 3M sanding belts 80 grit, precision shaped grain belts, metal grinding belts, spot weld removal belt, rivet grinding belt, ceramic abrasive belts, purple sanding belts, Cubitron II 80+, heavy duty sanding belt, 3M Cubitron II 786F.
3M is a global innovator in industrial-grade abrasives, combining decades of expertise with cutting-edge Precision-Shaped Grain technology in its Cubitron II line to deliver faster cutting, cooler operation, and twice the belt life compared to conventional abrasives.
Q: Will these belts fit my existing file belt sander?
A: Yes, the 3M 33440 belts are compatible with most standard file belt sanders that accept 3/8″ × 13″ belts, including 3M's own File Belt Sander series.
Q: Can these belts be used for stainless steel applications?
A: Yes, the precision-shaped ceramic grains slice through both steel and stainless steel efficiently, with reduced heat generation to minimize oxidation and discoloration.
Q: How often should I replace a belt?
A: Replace when the cutting performance slows or the belt shows excessive wear—Cubitron II belts typically last up to twice as long as conventional abrasives, extending cycle time between changes.
