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3M™ Cubitron™ II Hookit™ Clean Sanding Abrasive Disc 31374, 6 in, 180+

Model number
31374

The 3M Cubitron II Hookit Clean Sanding Abrasive Disc 31374 is a 6-inch disc built for feather-edging, stock removal, and surface refining on automotive panels and composites. Precision-shaped triangular grain provides faster cut rates and extended service life compared to conventional abrasives. The multi-hole clean sanding pattern delivers virtually dust-free operation when connected to vacuum extraction. Hookit hook-and-loop attachment ensures secure disc retention and quick removal. Sold in 50-disc cartons for professional bodyshop use.

identifiers stable · addressable
Model no.
31374
Brand
3M
Category
Sanding Disc
Canonical URL
/3m/sanding-disc/31374-3m-cubitron-ii-hookit-clean-sanding-disc-6in/
Official page 3m.com →
8 spec rows · each row is anchorable

§ Specifications

#specifications
Product Type
Sanding Disc
Diameter In
6
Attachment
Hookit (hook-and-loop)
Abrasive Type
Cubitron II (triangular precision-shaped grain)
Available Grits
180+
Backing
Film
Dust Holes
Yes
Barcode (UPC)

§ FAQ

What applications is the 31374 best suited for?

The 31374 at 180+ grit is ideal for feather-edging damaged paint, blending spot repairs, final stock removal before primer, and surface prep on metal and composite automotive panels.

How many discs are included in a carton?

The 31374 is sold in a 50-disc carton, designed for professional bodyshop throughput.

Is the 6-inch 31374 compatible with standard random orbital sanders?

Yes. The Hookit hook-and-loop system fits any 6-inch random orbital sander with a compatible backing pad, including professional DA sanders used in collision repair.

Does the multi-hole pattern work with all dust extraction systems?

The multi-hole pattern is designed to align with most 6-inch sander dust port configurations. For best extraction, connect the sander to a shop vacuum or central extraction system. Results vary depending on the sander and vacuum setup used.