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SKU 7000122199
Legacy SKU 66000101106
UPC 00051115425103
Part Number 613425

Designed to keep dust off the workpiece, the Standard Abrasives™ Aluminum Oxide Flexible Flap Wheel produces a straight line finish on inside diameters or contours. Use this wheel to deburr edges, remove flash, and smooth parting lines. A wide range of diameters with different attachment styles enables consistent coverage on many different workpieces.

  • Flexible flaps provide excellent finish on flat and contoured surfaces
  • Coated abrasive flaps clean and deburr inner diameters and contours
  • Produces a linear scratch pattern
  • Steel mandrel reduces chatter
  • 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
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On it's way to you March 5   


Minimum Order 10 Items
Order Increment 10 Items
  Immense Durability
  Easy To Use
  Global Shipping
  Lowest Price Per Item
Product Dimensions
Imperial Metric
Width 1 in 25.4 mm
Diameter 2 in 50.8 mm
Shipping Dimensions
Weight 15.809 lb
Length 23.75 in
Width 9.625 in
Height 5.125 in
Maximum RPM 23,000
Grit 60


  1. What is the size of the 3M Standard Abrasives™ A/O Flexible Flap Wheel 613425?

    The size of this flap wheel is 2 inches x 1 inch x 1/4 inch.

  2. How many are included in each box and case?

    There are ten pieces per inner box, and one hundred pieces per case.

  3. What type of abrasive material does this flap wheel use?

    This flap wheel utilizes aluminum oxide abrasive material.

  4. What grit level does it have?

    It has a grit level of 60, which makes it suitable for deburring and blending on a wide range of materials.

  5. Can I use this with different power tools?

    Yes! You can utilize this versatile product with a variety of power tools including bench grinders or bench-top motors equipped with grinding wheels up to two inches.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Improved Finish and Dust Control on Radiused and Contoured Parts

A flap wheel is a useful tool for 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. The Standard Abrasives™ Aluminum Oxide Flexible Flap Wheel is designed with radiused flaps that provide greater flexibility for improved finishing compared to standard Flap Wheel. The radiused flaps also brush dust away from the contact area for a cleaner work environment.

The Flexible Flap Wheel is available in smaller diameters for attachment to hand-held tools and larger diameters for off-hand applications. Some power tools may require an additional reducer bushing or adapter for attaching the wheel. 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.

Small Wheels Access Inner Radiuses and Maintain Maximum Control

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

These smaller wheels are 1-3˝ in diameter and have a 1/4˝ steel mandrel or a 1/4˝-20 threaded steel shank to enable fast yet secure product changeouts. In each case, the steel attachment runs the full width of the wheel center, reducing chatter in the rotation. As a result, you get a smoother finish, and the operator maintains greater control of the tool with less pressure.

Large Wheels Supply Broader Coverage

For larger hand tools or off-hand applications, flap wheels are available in diameters from 3-1/2˝ to 8˝ with 1-2˝ 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 a broad array of high-performance products, including coated, bonded, and non-woven abrasive lines.

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