- Micron-graded diamond mineral achieves finer surface finishes
- Resin bond
- Engineered to handle hard-to-grind materials
- Diamond belts pose an alternative to conventional superfinishing techniques
3M™ Diamond Polishing Cloth Belt 642WY is engineered with micron-graded diamond, a long-lasting resin bond and a water-resistant X-weight cloth backing for polishing and finishing materials harder than 62 on the Rockwell C scale.

3M 20967, Portable Utility Cloth Roll 314D, P240 J-weight, 1 in x 20 yd, 7010290604
3M 19764, Utility Cloth Sheet 314D, 9 in x 11 in P320 J-weight, 7000000352
3M 35124, Grippy Sanding Cloth Trial Kit, 7100230957
Dynabrade 78700 D9-8 Cartridge Roll Mandrel 1/8" Pilot Dia. x 1" Pilot Length, 1/4" Dia. Shank x 8" Shank Length
Dynabrade 95848 Dynabrade Gear Oil
ACS Diamond Cloth Belt, CX1250 3" X 90" 45U 
