3M Cubitron II Hookit Clean Sanding Abrasive Disc, 31364, 3 in, 180+, 50 Discs, Fast-Cutting, Long-Lasting Abrasive for Collision Repair

Our Cubitron II Hookit Clean Sanding Abrasive Disc 737U was developed for long disc life and superior cut during key stages in auto body repair.

It features 3M Precision-Shaped Grain technology, where triangular-shaped, electrostatically oriented grains form sharp peaks that act like individual cutting tools slicing through paint and body filler.

This grain cuts faster than traditional premium abrasives.

The disc is ideal for feather-edging, as a final sanding step before priming, or during prep before blending.

The shaped grain's individual edges also self-fracture to continually present a sharp cutting surface, making the cut consistent and prolonging the disc's life.

Cubitron II and Precision-Shaped Grain 3M Cubitron II products have raised the bar for high-performing abrasives.

Cubitron utilizes 3M Precision-Shaped Grain, which outcuts and outlasts conventional ceramic industrial abrasives and requires less grinding force to achieve performance.

Operators can grind faster and complete more parts per disc with less muscle-work and fatigue.

To create PSG, 3M engineers started with 3M Ceramic Abrasive Grain and used proprietary technology to form the grains into triangular structures and electrostatically orient them on the backing to form sharp peaks that maximize cutting potential.

These peaks slice cleanly through metal like a knife through butter, rather than gouging or plowing as traditional abrasives do, and continuously self-sharpen as the points break off.

This generates a super-fast cut and lessens heat build-up due to friction, reducing heat-related stress cracks and discoloration.

PSG also wears evenly, and because the abrasive itself stays cooler and sharper, Cubitron II products last significantly longer than their conventional ceramic counterparts, extending high performance in production applications.