Faster Cut, Finer Finish
Uniquely engineered to tackle the toughest jobs, 3M™ Diamond Cloth Belt 641WY is constructed with micron-graded diamond particles encapsulated in a ceramic bead. As the ceramic erodes, diamond particles continue to be exposed.
Diamond is extremely useful in grinding and polishing hard materials for its unique ability to produce excellent surface finishes combined with high removal rates.
This belt is engineered with a tough resin bond. This bond is durable and excellent for hard-to-grind materials. This product material can be used with oil and water based lubricants.
Use Wet or Dry
A water-resistant X-weight cloth backing means it can be used wet as well as dry. Coolant is useful to clear grinding swarf and prevent debris from scratching the surface of a workpiece. It also keeps grinding temperatures cooler.
Tough Abrasive for Hard-to-Grind Materials
This belt’s overall toughness makes it ideal for polishing and finishing ceramics, chilled cast iron, thermal spray coatings, HVOF coatings and the many extremely hard composites being used more in industries.

3M 06847, Overspray Masking Liquid Dry, 1 Gallon, 7010309222
3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
ACS Diamond Grinding Disc, 4-1/2" Dia. X 5/8"-11 Center Hub Thread, Type 29, 36 Grit
3M 22409, Roloc Disc 361F, P120 XF-weight, TR, 1-1/2 in, Die R150S, 7000045103
Dynabrade 78594 3/8" Dia. x 1-1/2" W x 1/8" Center Hole, 60 Grit, 100/pack
3M 20912, PSA Cloth Disc 348D, 40 X-weight, 2 in x NH, Die 200P, 7000118920
3M 11419, Roloc Disc 361F, P240 XF-weight, TR, 2 in, Die R200P, 7000045105
3M 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
3M 85391, Cloth Belt 963G, 50 YN-weight, 2 in x 72 in, Film-lok, L-flex, 7010299930, 50 per case
3M 29611, 641WY 1/4" X 24", 100 Mesh Diamond Cloth Belt, 7010534832
ACS Diamond Cloth Belt, CX1250 1" X 72" 125U 
