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.

Dynabrade 92911 - 1" (25 mm) Dia. x 1-1/2" (38 mm) W Slotted Wheel
Dynabrade 02504 Rotor
Dynabrade 79166 1/2" W x 30" L 40 Grit Ceramic DynaCut Belt, 50/pack
Dynabrade 46000 .4 hp Right Angle Die Grinder, Rear Exhaust, 12,000 RPM, 1/4" Collet
Dynabrade 90424 1/4" W x 24" L 220 Grit A/O DynaCut Belt, 50/pack
Dynabrade 92209 1/8" W x 12" L 220 Grit A/O DynaCut Belt, 50/pack
Dynabrade 32010 Dolly for RaptorVac DrumVac Kits
Dynabrade 56727 .4 hp 7 Degree Offset Die Grinder, Central Vacuum, 5,000 RPM, 1/4" Collet
Dynabrade 78583 1/4" Dia. x 1-1/2" W x 1/8" Center Hole, 60 Grit, 100/pack
Standard Abrasives 708564, A/O Straight Cartridge Roll, 1/2 in x 2 in x 1/8 in 80, 7100093093
Dynabrade 95461 3/8" NPT Original Aluminum Dynaswivel
Dynabrade 82574 1/2" W x 24" L 60 Grit Ceramic DynaCut Belt, 50/pack
Dynabrade 96173 Motor Tune-Up Kit
Dynabrade Dynacut 94021, 10-piece, Alloy Specific Burr Kit (for Nickel & Titanium), 1/8" Shank
Dynabrade 79874 3" 600 Grit Dynacut Extreme Orange Film Vac Hook Face Disc, 50 per box
Dynabrade 78565 4" Dia. 2-Set, 1/4-20 Female Center Thread, 60 Grit, Dynacut A/O Overlap Slotted Disc, 100/pack
Dynabrade 50343 2" (51 mm) Dia. Depressed Center Grinder, .4 HP, 25,000 RPM, 3/8"-24 Spindle
Dynabrade 78315 2" Dia. x 1" W x 1/4" Shank, Coarse, NWN DynaBrite Wheel, 10/pack
Dynabrade 57127 3" (76 mm) Dia. Right Angle Depressed Center Wheel Grinder, Steel Housing, .55 HP, 15,000 RPM, 3/8"-24 Spindle
Dynabrade 02093 Drop-In Motor
Dynabrade 78101 2" Dia. x 80 Grit A/Z DynaCut Locking-Type Disc, 2 Ply Cloth, 25/pack
Dynabrade 57126 3" Dia. Dynabuffer Random Orbital Polisher
Dynabrade 78769 3" Dia. x 2" W x 1/4" Shank, Fine, NWN DynaBrite Wheel, 10/pack
Dynabrade 78572 2" Dia. x 1/4"-20 Female Center Thread, 60 Grit, A/O, 3-Ply, J-DynaCut Eyelet Star, 50/pack
Dynabrade 54785 3" (76 mm) Dia. Extended Right Angle Type 27 Depressed Center Wheel Grinder, Steel Housing, .7 HP, 18,000 RPM, 3/8"-24 Spindle
Dynabrade 78639 3/8" Dia. x 1-1/2" W x 1/8" Center Hole, Z/A, 120 Grit, 100/pack
Dynabrade 93245 8" Dia. x 1/2" Center Hole, 120 Grit, A/O, Arbor-Mount Sanding Star
Dynabrade 78550 1-1/2"Dia. 2-Set, 8-32 Female Center Thread, 80 Grit, Dynacut A/O Overlap Slotted Disc, 100/pack
Dynabrade 01543 Air Control Ring
Standard Abrasives 727394, Buff and Blend Cross Buff HS, A/O Coarse, 1-1/2 in x 1/2 in x 2 Ply x 8-32, 7010330886
Dynabrade 93960 3" x 1/4-20 Female Center Thread, Medium, Dynabrite Surface Conditioning Eyelet Star, 50/pack
Dynabrade 97175 Screw
Dynabrade 11801 Motor Lock
Dynabrade 54359 .7 hp Right Angle Die Grinder, Rear Exhaust, 18,000 RPM, 1/4" Collet 
