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  • Diamond mineral encapsulated in a ceramic bead provides consistent finishes on tough metals and ceramics
  • Heavy duty, cloth backing is waterproof for use with coolant
  • Diamond mineral for hard-to-finish materials like stone, glass, ceramic, carbide and composites
  • X-weight cloth backing
  • Available in grades 100mesh through 1800mesh

3M™ Diamond Cloth Belt 641WY is engineered with micron-graded diamond, a long-lasting resin bond and a durable, water-resistant X-weight cloth backing, making it ideal for grinding and polishing ceramics, carbide, cast iron and other hard-to-grind materials.

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3M™ Diamond Cloth Belt 641WY, 100 Mesh, Config 3M™ Diamond Cloth Belt 641WY, 120 Mesh, Config 3M™ Diamond Cloth Belt 641WY, 1200 Mesh, Config
3M™ Diamond Cloth Belt 641WY, 100 Mesh, Config
Full Retail Price $0.01
Online Only Price $0.01
3M™ Diamond Cloth Belt 641WY, 120 Mesh, Config
Full Retail Price $0.01
Online Only Price $0.01
3M™ Diamond Cloth Belt 641WY, 1200 Mesh, Config
Full Retail Price $0.01
Online Only Price $0.01
3M™ Diamond Cloth Belt 641WY, 1800 Mesh, Config 3M™ Diamond Cloth Belt 641WY, 220 Mesh, Config 3M™ Diamond Cloth Belt 641WY, 400 Mesh, Config
3M™ Diamond Cloth Belt 641WY, 1800 Mesh, Config
Full Retail Price $0.01
Online Only Price $0.01
3M™ Diamond Cloth Belt 641WY, 220 Mesh, Config
Full Retail Price $0.01
Online Only Price $0.01
3M™ Diamond Cloth Belt 641WY, 400 Mesh, Config
Full Retail Price $0.01
Online Only Price $0.01
3M™ Diamond Cloth Belt 641WY, 600 Mesh, Config 3M™ Diamond Cloth Belt 641WY, 600 Mesh, 1/4 in x 24 in 3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1 in x 64 in
3M™ Diamond Cloth Belt 641WY, 600 Mesh, Config
Full Retail Price $0.01
Online Only Price $0.01
3M™ Diamond Cloth Belt 641WY, 600 Mesh, 1/4 in x 24 in
Full Retail Price $11.80
Online Only Price $7.49
You save $4.31!
3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1 in x 64 in
Full Retail Price $125.78
Online Only Price $79.87
You save $45.91!
3M™ Diamond Cloth Belt 641WY, 600 Mesh, 1 in x 24 in 3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1 in x 72 in, Film-lok, Full-
flex 3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1 in x 42 in, Film-lok, Single-
flex
3M™ Diamond Cloth Belt 641WY, 600 Mesh, 1 in x 24 in
Full Retail Price $141.52
Online Only Price $89.86
You save $51.66!
3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1 in x 72 in, Film-lok, Full- flex
Full Retail Price $141.52
Online Only Price $89.86
You save $51.66!
3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1 in x 42 in, Film-lok, Single- flex
Full Retail Price $165.10
Online Only Price $104.84
You save $60.26!
3M™ Diamond Cloth Belt 641WY, 100 Mesh, 3/8 in x 24 in 3M™ Diamond Cloth Belt 641WY, 120 Mesh, 3/8 in x 24 in 3M™ Diamond Cloth Belt 641WY, 220 Mesh, 3/8 in x 24 in
3M™ Diamond Cloth Belt 641WY, 100 Mesh, 3/8 in x 24 in
Full Retail Price $176.88
Online Only Price $112.32
You save $64.56!
3M™ Diamond Cloth Belt 641WY, 120 Mesh, 3/8 in x 24 in
Full Retail Price $176.88
Online Only Price $112.32
You save $64.56!
3M™ Diamond Cloth Belt 641WY, 220 Mesh, 3/8 in x 24 in
Full Retail Price $176.88
Online Only Price $112.32
You save $64.56!
3M™ Diamond Cloth Belt 641WY, 1200 Mesh, 3 in x 30 in 3M™ Diamond Cloth Belt 641WY, 100 Mesh, 3 in x 30 in 3M™ Diamond Cloth Belt 641WY, 600 Mesh, 3 in x 30 in
3M™ Diamond Cloth Belt 641WY, 1200 Mesh, 3 in x 30 in
Full Retail Price $176.89
Online Only Price $112.33
You save $64.56!
3M™ Diamond Cloth Belt 641WY, 100 Mesh, 3 in x 30 in
Full Retail Price $176.89
Online Only Price $112.33
You save $64.56!
3M™ Diamond Cloth Belt 641WY, 600 Mesh, 3 in x 30 in
Full Retail Price $176.89
Online Only Price $112.33
You save $64.56!
3M™ Diamond Cloth Belt 641WY, 400 Mesh, 3 in x 30 in 3M™ Diamond Cloth Belt 641WY, 220 Mesh, 3 in x 30 in 3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1/4 in x 24 in
3M™ Diamond Cloth Belt 641WY, 400 Mesh, 3 in x 30 in
Full Retail Price $176.89
Online Only Price $112.33
You save $64.56!
3M™ Diamond Cloth Belt 641WY, 220 Mesh, 3 in x 30 in
Full Retail Price $176.89
Online Only Price $112.33
You save $64.56!
3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1/4 in x 24 in
Full Retail Price $176.94
Online Only Price $112.36
You save $64.58!
3M™ Diamond Cloth Belt 641WY, 400 Mesh, 1/4 in x 24 in 3M™ Diamond Cloth Belt 641WY, 220 Mesh, 1/4 in x 24 in 3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1 in x 91 in
3M™ Diamond Cloth Belt 641WY, 400 Mesh, 1/4 in x 24 in
Full Retail Price $176.94
Online Only Price $112.36
You save $64.58!
3M™ Diamond Cloth Belt 641WY, 220 Mesh, 1/4 in x 24 in
Full Retail Price $176.94
Online Only Price $112.36
You save $64.58!
3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1 in x 91 in
Full Retail Price $178.86
Online Only Price $113.58
You save $65.28!
3M™ Diamond Cloth Belt 641WY, 120 Mesh, 1 in x 91 in 3M™ Diamond Cloth Belt 641WY, 1200 Mesh, 1 in x 91 in 3M™ Diamond Cloth Belt 641WY, 1800 Mesh, 1 in x 91 in
3M™ Diamond Cloth Belt 641WY, 120 Mesh, 1 in x 91 in
Full Retail Price $178.86
Online Only Price $113.58
You save $65.28!
3M™ Diamond Cloth Belt 641WY, 1200 Mesh, 1 in x 91 in
Full Retail Price $178.86
Online Only Price $113.58
You save $65.28!
3M™ Diamond Cloth Belt 641WY, 1800 Mesh, 1 in x 91 in
Full Retail Price $178.86
Online Only Price $113.58
You save $65.28!
3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1/2 in x 24 in 3M™ Diamond Cloth Belt 641WY, 120 Mesh, 1/2 in x 24 in 3M™ Diamond Cloth Belt 641WY, 1800 Mesh, 1/2 in x 24 in
3M™ Diamond Cloth Belt 641WY, 100 Mesh, 1/2 in x 24 in
Full Retail Price $188.64
Online Only Price $119.79
You save $68.85!
3M™ Diamond Cloth Belt 641WY, 120 Mesh, 1/2 in x 24 in
Full Retail Price $188.64
Online Only Price $119.79
You save $68.85!
3M™ Diamond Cloth Belt 641WY, 1800 Mesh, 1/2 in x 24 in
Full Retail Price $188.64
Online Only Price $119.79
You save $68.85!
   
 
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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.