Standard Abrasives™ Aluminum Oxide Flap Wheel, 661407, 100, 6 in x 1 in x 1 in, 5 ea/Case

The Standard Abrasives™ Aluminum Oxide Flap Wheel works well on inside and outside diameters of metal workpieces for high stock removal and aggressive blending, finishing and cleaning, and leaves a straight line finish. Choose from a wide range of diameters with different attachment styles to achieve consistent coverage on many different contours and shapes.
Special Price $54.83 Regular Price $64.50
UPC 00051115427343
3M ID 7010331212
Packaging Case
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Flaps Offer Aggressive Cut on Radiused and Contoured Parts

A flap wheel comes in handy when faced with the challenge of cleaning up burrs and parting lines on radiused or specially shaped parts where coated discs are not conformable enough or do not have the necessary reach. 3M offers the Standard Abrasives™ Aluminum Oxide Flap Wheel in smaller diameters for attachment to hand-held tools, and larger diameters for off-hand applications. A broad selection of grades is available to deburr edges, remove flash and parting lines, blend machine marks, apply a linear scratch pattern, or provide light blending, cleaning, or polishing.

Compared with non-woven products, flap wheels offer a more aggressive cut for cleaning or finishing. If a silicon carbide product is preferred for finishing applications, consider our Standard Abrasives™ Silicon Carbide Flap Wheel, available in 1-3? diameters (sold separately). When a job requires even more flexibility for improved finishing, or to reduce dust, use a Standard Abrasives™ Flexible Flap Wheel (sold separately), which has flaps with increased flexibility and a slight radius to the flaps.

Some tools may require an additional reducer bushing or adapter for wheel attachment.

Small Wheels Access Inner Radiuses and Maintain Maximum Control

The flap wheels with smaller diameters provide access to smaller and harder-to-access inner radiuses or contours on irregular parts. These flap wheels are especially useful for cleaning or deburring the insides of tubing. For these smaller areas, flap wheels provide a softer touch than rolls or bands, which are suitable when more aggressive material removal is required.

The smaller wheels are 1-3? in diameter have a 1/4? steel mandrel or a 1/4?-20 threaded steel shank to enable fast yet secure product change outs. In each case the steel attachment runs the full width of the wheel center, reducing chatter in the rotation. As a result, a smoother finish can be achieved and the operator maintains greater control of the tool with less pressure and increasing productivity.

Large Wheels Supply Broader Coverage

For larger hand tools or off-hand applications, 3M provides flap wheels in diameters from 3-1/2? to 8? with 1? or 2? widths. These sizes have a 5/8? or 1? center hole compatible with larger tool arbors. The larger wheels contain more flaps per wheel for faster cutting, increased productivity and longer life.

Durable Wheel, Fast Cut

Aluminum oxide is a popular choice among industrial professionals because of its versatility on different surfaces, fast cut-rate and long life. It is a tough, durable abrasive that self-fractures to expose fresh cutting edges in use, whereas traditional abrasives such as garnet quickly wear down with use. Aluminum oxide mineral is suitable for a wide variety of materials including ferrous and non-ferrous metals.

Quality Standard Abrasives™ Products for Industrial Applications

The Standard Abrasives brand has supplied quality abrasives to the metalworking industry for over 50 years. Customers rely on 3M's broad offering of high performance products including coated, bonded, and non-woven abrasive lines.


  • Flaps provide coverage on contoured or radiused surfaces
  • Coated abrasive flaps provide aggressive stock removal, blending, finishing and cleaning
  • Produces a straight line finish
  • Steel mandrel reduces chatter and operator fatigue
  • Aluminum oxide cuts quickly and suits ferrous and non-ferrous materials
  • Available in a broad range of sizes and grades to suit almost any part
More Information
3M ID 7010331212
Part number 661407
Global Product Hierarchy Abrasives > Abrasive Wheels > Flap Wheels
Abrasive Material Aluminum Oxide
Center Hole Diameter (Imperial) 1.0 in
Center Hole Thread Size Non Pertinent
Center Hole Diameter (Metric) 25.4 mm
Grit 100
Product Type simple
Quantity 0
Trademark 1 Standard Abrasives™
Country of Origin Mexico
SAP Shelf Life In Days 3650
Base - Billing Unit EA
Base - Metric Gross Weight 406.872 G
Base - Metric Height Dimension 25.4 MM
Base - Metric Length Dimension 152.4 MM
Base - Metric Width Dimension 152.4 MM
Base - Item Quantity 1
Base - Unit EA
Unit of Use - Billing Unit EA
Unit of Use - Customary Cubic Dimension 35.999981448781796 ci
Unit of Use - Customary Gross Weight 0.8969992153968551 lbs
Unit of Use - Customary Net Weight 0.8963995580437123 lbs
Unit of Use - Customary Height Dimension 1.0 in
Unit of Use - Customary Length Dimension 6.0 in
Unit of Use - Customary Width Dimension 6.0 in
Unit of Use - Metric Cubic Dimension 589.934 CCM
Unit of Use - Metric Net Weight 406.6 G
Unit of Use - Metric Height Dimension 25.4 MM
Unit of Use - Metric Length Dimension 152.4 MM
Unit of Use - Metric Width Dimension 152.4 MM
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 WHLS
Unit of Use - Unit EA
Shipper - Billing Unit EA
Shipper - Customary Cubic Dimension 285.1875113199045 ci
Shipper - Customary Gross Weight 4.748757127462263 lbs
Shipper - Customary Net Weight 4.4819977902185615 lbs
Shipper - Customary Height Dimension 6.75 in
Shipper - Customary Length Dimension 6.5 in
Shipper - Customary Width Dimension 6.5 in
Shipper - Metric Cubic Dimension 4673.386 CCM
Shipper - Metric Weight 2.154 KG
Shipper - Metric Net Weight 2.033 KG
Shipper - Metric Height Dimension 17.145 CM
Shipper - Metric Length Dimension 16.51 CM
Shipper - Metric Width Dimension 16.51 CM
Shipper - Item Quantity 5
Shipper - Total Unit Quantity 5
Shipper - Previous Packaging Level Quantity 5
Shipper - Previous Packaging Level Unit WHLS
Shipper - Item Unit WHLS
Shipper - Unit CS
Pallet - Billing Unit EA
Pallet - Customary Cubic Dimension 105336.00161688513 ci
Pallet - Customary Gross Weight 1431.9993962861413 lbs
Pallet - Customary Net Weight 1317.707350324257 lbs
Pallet - Customary Height Dimension 52.25 in
Pallet - Customary Length Dimension 48.0 in
Pallet - Customary Width Dimension 42.0 in
Pallet - Metric Cubic Dimension 1726147.8 CCM
Pallet - Metric Net Weight 597.702 KG
Pallet - Metric Height Dimension 132.715 CM
Pallet - Metric Length Dimension 121.92 CM
Pallet - Metric Width Dimension 106.68 CM
Pallet - Item Quantity 1470
Pallet - Total Unit Quantity 1470
Pallet - Previous Packaging Level Quantity 294
Pallet - Previous Packaging Level Unit BOX
Pallet - Item Unit WHLS
Pallet - Unit PAL
Pallet - Pallet Layer Quantity 7
Pallet - Shipping Container Per Layer Quantity 42
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