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 78112 2" Dia. x 60 Grit Premium Ceramic Non-Vacuum DynaCut Locking-Type Disc, 25/pack
Dynabrade 69315 Housing Replacement for Model No. 69025
Dynabrade 92078 3" Dia. x 180 Grit A/O Non-Vacuum Hook-Face Filmbac DynaCut Disc, 50/Pack
Dynabrade 95973 Washer
Dynabrade 53522 Polisher (Double Extension), 1 HP, 3,400 RPM, 1/2"-20 Spindle Thread
Dynabrade 13014 Arbor, 1/2"-20 Male Tool Spindle, 14 mm Arbor Bore
Dynabrade 58400 5" Dia. Two-Hand Dynorbital Random Orbital Sander, Non-Vacuum
Dynabrade 93348 Carbide Burr, 1/8" Dia., SM-42 D/C Burr, 14 Degree Cone, 7/16" Flute L, 1/8" Shank
Dynabrade 54551 Shim
Dynabrade 56863BK - 6" Dia. Central Vacuum Dynorbital Supreme Random Orbital Sander
Dynabrade 49420 .4 hp Angle-Head Die Grinder, Rear Exhaust, 3,200 RPM, 1/4" Collet
Dynabrade 65750 2" x 48" (51 mm x 122 cm) Electric Tool Post Grinder, 3 hp, 3,450 RPM, Wet, 240 V (AC), 1 Phase, 60 Hz
Dynabrade 04032 Nut
Dynabrade 52580 4" (102 mm) Dia. Straight-Line 6" (152 mm) Extension Cut-Off Wheel Tool, Rear Exhaust, 1 HP, 18,000 RPM, 3/8"-24 Spindle
Dynabrade 50348 7" (178 mm) Dia. Right Angle Depressed Center Wheel Grinder, 2 HP, 6,000 RPM, 5/8"-11 Spindle
Dynabrade 53511 - .5 hp Straight-Line 3" (76 mm) Extension Die Grinder, Rear Exhaust, 20,000 RPM, 1/4" Collet
Dynabrade 78782 DynaCut Wire Cup Brush 3" Dia. x .014 5/8-11 UNC AH Steel
Dynabrade 52378 3" (76 mm) Dia. Straight-Line Type 1 Extension Wheel Grinder, 1 HP, 18,000 RPM, 3/8"-24 Spindle
Dynabrade 98261 - 3/8" Female Coupler
Dynabrade 48316 .4 hp Right Angle Die Grinder, Rear Exhaust, 15,000 RPM, 1/4" Collet
Dynabrade 11889 Contact Wheel, 4" Dia. x 5/8" W x 5/8" I.D., Scoop Face, 90 Duro Urethane
Dynabrade 96607 Raptor Vac Cleaning Kit, w/ 10ft. Hose
Dynabrade 50018 Collet, M8 x 1.0 Female Thread, 3/8" Capacity
Dynabrade 91728 DynaMesh 6" 180 Grit Hook & Loop Discs, 50 per box
Dynabrade 91251 8" Dia. x 120 Grit A/O Vacuum PSA DynaCut Disc, 25/Box
Dynabrade 96412 [1-1/4" Thread - 1-1/4" Thread], Non-Conductive Vacuum Hose Cuff
Dynabrade 46001 .4 hp Right Angle Die Grinder, Rear Exhaust, 15,000 RPM, 1/4" Collet
Dynabrade 92058 3" Dia. x 180 Grit A/O Vacuum Hook-Face DynaCut Disc, 50/Pack
Dynabrade 02388 Housing Ass'y for 53808, 24,000 RPM
Dynabrade 52280 .55 hp Right Angle Die Grinder, Rear Exhaust, 15,00 RPM, 1/4" Collet
Dynabrade 51704 .1 hp Straight-Line Pencil Grinder, 50,000 RPM, 3mm Collet
Dynabrade 58446 8" Dia. Two-Hand Gear-Driven Sander, Central Vacuum, .45 HP, 900 RPM, PSA
Dynabrade DN1 - 1-1/4" Pistol Grip Mini Orbital Denibber, 8,500 RPM, 1/8" Orbit, Rear Exhaust, For Thread Type Pad
Dynabrade 40330 Vacuum Dynafile II Abrasive Belt Tool
Dynabrade 78774 9" Dia. x 7/8", 80 Grit, Dynacut Ceramic Fibre Disc, 25/box
Dynabrade 15111 Felt Silencer
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
Dynabrade 52099 Spiral Bevel Gear
Dynabrade 52239 - .4Hp Straight Die Grinder, 30K RPM, Front Exhaust, 1/4" Collet
Dynabrade 53501 - .5 hp Straight-Line 7-1/4" Extension Die Grinder, Rear Exhaust, 18,000 RPM, 1/4" Collet
Dynabrade 66635 5 Micron Disposable Filter Cartridge
Dynabrade 51402 3" Dia. 7 Degree Offset Rotary Buffer, .4 hp, 3,600 RPM, Rear Exhaust, 3/8"-24 Spindle Thread
Dynabrade 79890 8" Dynacut 80 Grit Extreme Orange Scalloped Edge Discs, 25 per box 
