3M™ Cubitron™ II Hookit™ Clean Sanding Abrasive Disc, 31366, 5 in, 80+ grade, 50 discs per carton, 4 cartons per case
We developed our Cubitron™ II Hookit™ Clean Sanding Abrasive Discs 737U for superior cut and long disc life during key stages in auto body repair. It features 3M™ Precision Shaped Grain technology – triangular shaped, electrostatically oriented grains form sharp peaks, each acting like an individual cutting tool that slices through paint and body filler. This grain cuts 30% faster than traditional premium abrasives. The disc is ideal for feather edging, as a final sanding step before priming, or during prep before blending. Individual edges in the shaped grain also self fracture to continually present a sharp cutting surface, making the cut more consistent and prolonging the life of the disc.
About 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 superior performance. The result is that 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, ensuring extended high performance in production applications.
3M offers a complete range of hook and loop style Hookit™ discs for work spaces where adhesive backed discs may become contaminated by dust, dirt, or flying debris. They are often used in applications where an adhesive backed disc may be too aggressive, as Hookit™ discs tend to leave finer finishes. Hookit™ sanding discs conveniently and firmly attach to a hook and loop backup disc pad (sold separately) on a random orbital sander, can be removed cleanly and easily, and can be re used again and again for the extent of the abrasive life.
About 3M™ Clean Sanding
The multi hole pattern on 3M™ Clean Sanding discs evacuates dust better than 5 or 6 hole products—significantly increasing cut rate and disc life. When used with a 3M™ Clean Sanding Disc Pad, the disc holes do not require alignment with the pad holes, making switching the discs fast, easy, and convenient. You can also pair Clean Sanding abrasives with Clean Sanding disc pads for use on a central vacuum ready sander.
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