Our 3M™ Cubitron™ II Roloc™ Fibre Disc 987C uses precision-shaped grain technology (PSG) for heavy duty metalworking applications. 3M’s PSG is an exceptionally high-performing ceramic, resin-bonded to a stiff fiber backing.
Our 3M™ Fibre 987C products incorporate a grinding aid to keep the workpiece cooler, protecting heat-sensitive alloys from heat damage and reducing re-work. These features offer increased productivity for heavy-duty grinding on all metals, including stainless steel.
Recommended Applications
- Heavy duty metalworking applications
- Flame-cut edge cleanup
- Grinding
- High pressure grinding
- Right angle grinding
- Edge chamfering
- Weld removal and finishing
- Edge beveling
- Gate removal
123 PSG
To create PSG, engineers start with 3M™ Ceramic Abrasive Grain and use 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, rather than gouging or plowing as traditional abrasive grains 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 stays cooler and sharper, Cubitron II products last significantly longer than their conventional ceramic counterparts, ensuring extended high performance in production applications. Our Cubitron™ II products achieve a fast cut rate and a long product life.

Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool
3M 76751, Roloc Disc 777F, 60 YF-weight, TS, 3 in, Die RS300V, 7010363900
3M 23930, Tape Primer 94, Light Yellow, 1 Gallon Drum (Can), 7000001583
3M 31388, Scotch-Weld Instant Adhesive Primer AC79, Clear, 2 fl oz Bottle, 7100039262
3M 39289, Fastbond Spray Activator 1, 30 Gallon Closed Head, 7000121403
3M 08693, Auto Glass Urethane Windshield Adhesive, 10.5 fl oz Cartridge, 7000120424
3M 40268, Cloth Spiral Band 341D, 60 X-weight, 1 in x 2 in, 7100138148
Standard Abrasives 707115, Spiral Band, 1 in x 1 in 50, 7010331384 
