Designed for grinding materials to final dimension, our 3M™ Trizact™ Diamond Cloth Belts 663FC can tackle hard-to-grind materials including ceramics, carbides, chilled iron and composites. They also work well for stripping old thermal spray coating during the refurbishment process. These belts cut up to 70% faster than bonded wheels – without chatter. And because they are easy to use, even less-experienced operators can achieve consistent, effective stock removal throughout the life of the belt.
3M™ Trizact™ Diamond Cloth Belts 663FC feature a waterproof YF-weight cloth backing, which means these belts can support high-pressure tough applications when run wet or dry. The abrasive side of the belt features three-dimensional structures derived from proprietary 3M technology. Unlike conventional abrasives, which are constructed from randomly-spaced and irregular-shaped minerals, Trizact abrasives feature precisely-shaped three-dimensional structures that help deliver more consistent performance and eliminate belt-to-belt variation.

Dynabrade 30472 Housing for Model 52102
Dynabrade 57053 Speed Regulator
Dynabrade 01547 Sleeve
Dynabrade 78598 3/8" Dia. x 2" W x 1/8" Center Hole, 60 Grit, 100/pack
Dynabrade 59467 Dynorbital-Spirit Drop-In Motors (10 Pack) with Repair Tools Included
Dynabrade 90377 2" W x 34" L 60 Grit A/O DynaCut Belt, 10/pack
Dynabrade 52722 Cone or Plug 6" (152 mm) Extension Wheel Grinder, 20,000 RPM, 3/8"-24 Male Thread Spindle
Dynabrade 01560 Rear Exhaust Cover
Dynabrade 46002 .4 hp Right Angle Die Grinder, Rear Exhaust, 20,000 RPM, 1/4" Collet
Dynabrade 93173 4" Dia. X 1/4" Dia. Shank, 400 Grit, A/O, Spindle-Mount Sanding Star
Dynabrade 96004 [1-1/4" Thread - 1-1/4" Non-Thread], Non-Conductive Vacuum Hose Swivel Cuff
ACS 1/2 in x 24 in Diamond Metal Bond Belt, 120M/125u 
