3M™ Cubitron™ II Depressed Center Grinding Wheel, 64320, Quick Change,T27, 4-1/2 in x 1/4 in x 5/8"-11, 10/Carton, 20 ea/Case

3M™ Cubitron™ II Grinding Wheel is constructed of 3M precision-shaped ceramic grain to bring you an exceptionally fast-cutting and long-lasting rigid bonded wheel for heavy weld removal and other heavy-duty grinding applications. This grinding wheel works well on almost all materials and is specially formulated for use on stainless steel, mild steel, and aerospace alloys.
Special Price $13.23 Regular Price $15.57
UPC 00076308643201
3M ID 7100244823
Packaging Carton
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Cuts Fast and Cool

3M™ Cubitron™ II Depressed Center Grinding Wheel is built to perform at a level that surpasses competitive wheels in both cut and life to deliver significant gains in productivity. Experience the power of 3M Precision-Shaped Grain to provide a cool, extra-sharp, quick cut long after other wheels are consumed.

Ideal for Robotic Weld Grinding

In medium and high-pressure applications like robotic weld grinding, it's important to choose a high-performance abrasive that cuts fast and lasts long. The self-fracturing mineral in 3M™ Cubitron™ II Depressed Center Grinding Wheel will keep your robot grinding welds long after other abrasives call it quits, reducing downtime and maximizing efficiency.

Grinding Wheel: Tips for Optimum Use

A grinding wheel is a rigid resin-bonded wheel that is approximately 1/4" thick and is useful for removing welds from internal angles. Fiber discs, on the other hand, typically work best for grinding welds on flat surfaces. A grinding wheel must be run on a right angle grinder with a wheel guard that is designed specifically for the size of wheel used. Type 27 wheels have a depressed center to allow grinding at any angle without damaging the surrounding surface with the attachment. The grinding wheel must have a maximum operating speed greater than or equal to the maximum speed of the grinder used.

3M Precision-Shaped Grain Maximizes Cutting Potential

3M™ Cubitron™ II products have raised the bar for high-performing abrasives. 3M engineers started with 3M™ ceramic abrasive grain and used proprietary precision-shaped grain technology to maximize cutting potential. Precision-shaped grain continually fractures into super-sharp points and edges that slice cleanly through metal like a knife, rather than plowing as traditional abrasives do, ensuring extended high performance in heavy-duty production applications. The grains wear evenly and provide extra-long life and consistency with less grinding pressure. 3M™ Cubitron™ II abrasives outcut and outlast competitive ceramic abrasives, maximizing productivity and minimizing operator fatigue.


  • 3M Precision-shaped grain engineered to cut faster than competitive ceramic products, offering significant productivity gains
  • Triangular shaped ceramic grain wears evenly, runs cool, and optimizes mineral breakdown, for extra-long life
  • Reduces changeouts and downtime in robotic and pressure-assisted applications
  • Rigid, reinforced resin-bonded wheel slices through almost all materials including stainless steel, mild steel, and aerospace alloys
  • Wheel must have a maximum operating speed greater than or equal to the maximum speed of the power tool used
  • Must be used with ANSI-approved guard that fits the size of the wheel
More Information
3M ID 7100244823
Part number 64320
Keywords 3M, Cubitron II, Depressed Center Grinding Wheel, precision-shaped ceramic grain, fast-cutting wheel, long-lasting grinding wheel, heavy weld removal, heavy-duty grinding applications, stainless steel grinding wheel, mild steel grinding wheel, aerospace alloys grinding wheel, productivity gains, self-fracturing mineral, extra-long life grinding wheel, robotic weld grinding, pressure-assisted applications, rigid resin-bonded wheel, triangular shaped ceramic grain, ANSI-approved guard, high-performance abrasive, Type 27 wheels, right angle grinder, high-performing abrasives, ceramic abrasive grain, extended high performance, heavy-duty production applications, metal grinding, construction grinding, energy sector grinding, manufacturing grinding, transportation grinding, metalworking, marine grinding, infrastructure maintenance, rail industry grinding, wind energy industry tools
Global Product Hierarchy Abrasives > Abrasive Wheels > Cut-off & Flexible Grinding Wheels
Abrasive Material Precision Shaped Ceramic
Bond Type Resin
Center Hole Diameter (Imperial) 0.0 NP
Center Hole Thread Size 40760
Center Hole Diameter (Metric) 0.0 NP
Color Family Black
Grit 36+
Product Color Black
Product Type simple
Quantity 0
Trademark 1 3M™
Trademark 2 Cubitron™
Country of Origin Austria
Sales Unit EA
SAP Shelf Life In Days 1095
Base - Billing Unit EA
Base - Customary Height Dimension 0.625 INCH
Base - Customary Length Dimension 0.25 INCH
Base - Customary Width Dimension 4.5 INCH
Base - Metric Gross Weight 260.816 G
Base - Metric Height Dimension 0.01587 M
Base - Metric Length Dimension 0.006 M
Base - Metric Width Dimension 0.114 M
Base - Item Quantity 1
Base - Unit EA
Unit of Use - Billing Unit EA
Unit of Use - Customary Cubic Dimension 31.257216057739203 ci
Unit of Use - Customary Gross Weight 0.5750008537401103 lbs
Unit of Use - Customary Net Weight 0.5349979762666642 lbs
Unit of Use - Metric Cubic Dimension 512.214 CCM
Unit of Use - Metric Net Weight 242.671 G
Unit of Use - Item Quantity 1
Unit of Use - Total Unit Quantity 1
Unit of Use - Previous Packaging Level Quantity 1
Unit of Use - Item Unit EACH
Unit of Use - Unit EA
Inner - Billing Unit EA
Inner - Customary Cubic Dimension 261.0168606163984 ci
Inner - Customary Gross Weight 5.564998811598175 lbs
Inner - Customary Net Weight 5.349979762666643 lbs
Inner - Customary Height Dimension 8.25 in
Inner - Customary Length Dimension 5.624803149606299 in
Inner - Customary Width Dimension 5.624803149606299 in
Inner - Metric Cubic Dimension 4277.3 CCM
Inner - Metric Net Weight 2426.71 G
Inner - Metric Height Dimension 20.955 CM
Inner - Metric Length Dimension 14.287 CM
Inner - Metric Width Dimension 14.287 CM
Inner - Item Quantity 10
Inner - Total Unit Quantity 10
Inner - Previous Packaging Level Quantity 10
Inner - Item Unit EACH
Inner - Previous Packaging Level Unit EACH
Inner - Unit KAR
Shipper - Billing Unit EA
Shipper - Customary Cubic Dimension 625.144321154784 ci
Shipper - Customary Gross Weight 11.49999943782123 lbs
Shipper - Customary Net Weight 10.699959525333286 lbs
Shipper - Customary Height Dimension 8.686614173228346 in
Shipper - Customary Length Dimension 11.75 in
Shipper - Customary Width Dimension 6.124803149606299 in
Shipper - Metric Cubic Dimension 10244.28 CCM
Shipper - Metric Weight 5216.312 G
Shipper - Metric Net Weight 4853.42 G
Shipper - Metric Height Dimension 22.064 CM
Shipper - Metric Length Dimension 29.845 CM
Shipper - Metric Width Dimension 15.557 CM
Shipper - Item Quantity 20
Shipper - Total Unit Quantity 20
Shipper - Previous Packaging Level Quantity 2
Shipper - Previous Packaging Level Unit CTNS
Shipper - Item Unit EACH
Shipper - Unit CS
Pallet - Billing Unit EA
Pallet - Customary Cubic Dimension 79880.08102000455 ci
Pallet - Customary Gross Weight 1276.9989936118193 lbs
Pallet - Customary Net Weight 1155.5948350718509 lbs
Pallet - Customary Height Dimension 39.62992125984252 in
Pallet - Customary Length Dimension 48.0 in
Pallet - Customary Width Dimension 42.0 in
Pallet - Metric Cubic Dimension 1.309 M3
Pallet - Metric Net Weight 524.169 KG
Pallet - Metric Height Dimension 100.66 CM
Pallet - Metric Length Dimension 121.92 CM
Pallet - Metric Width Dimension 106.68 CM
Pallet - Item Quantity 2160
Pallet - Total Unit Quantity 2160
Pallet - Previous Packaging Level Quantity 108
Pallet - Previous Packaging Level Unit BOX
Pallet - Item Unit EACH
Pallet - Unit PAL
Pallet - Pallet Layer Quantity 4
Pallet - Shipping Container Per Layer Quantity 27
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