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SKU 7100105520
Legacy SKU 60440307225
UPC 00051144977239
Product Number 341D

3M Square Pad 341D was designed to help operators with a variety of metalworking tasks from slab cleaning, weld grinding and deburring to finishing and blending.

  • Mandrel use increases range and versatility
  • Ideal for deburring and finishing channels, fillet welds and corners
  • Resin bond system provides good grain retention and life
  • Closed coat construction helps deliver fine finishes
  • Available in a range of grades, so operators can choose the right grade for their unique application
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On it's way to you July 12  


Minimum Order 100 Items
Order Increment 100 Items
  Immense Durability
  Long-Life Performance
  Easy To Use
  Lowest Price Per Item
Product Dimensions
Imperial Metric
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Width 0 null
Length 0 null
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Thickness 1/4 in 6.35 mm
Shipping Dimensions
Weight 11.48167 lb
Length 12 in
Width 12 in
Height 11.06299 in
Color Brown


  1. What is the size of each 3M™ Square Pad 341D?

    The size of each pad is 3 inches x 3 inches x 1/4 inch.

  2. What grit level does the P120 X-weight represent?

    The P120 X-weight represents a coarse sandpaper grit level.

  3. How many pads come in an inner pack and case for the 3M™ Square Pad?

    There are 50 pads per inner pack and 100 pads per case.

  4. Can these pads be used for both wet and dry sanding?

    Yes, they can be used for both wet and dry sanding applications.

  5. What types of surfaces can I use these square pads on?

    These square pads are designed to work on multiple surfaces such as metals, plastics, composites, paints, and wood.

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.
Anatomy of a Square Pad

To create the 3M™ Square Pad 341D, we use a combination of aluminum oxide mineral, X-weight cloth backing, and resin. Each component plays a crucial role in the abrasive's performance and longevity. The X-weight cloth backing is heavy, durable, and does not deflect during use. This allows the pad to aggressively tackle channels, fillet welds, and corners. Aluminum oxide mineral delivers a soft scratch pattern that is often desirable for finishing and polishing. It is a popular choice among industrial professionals due to its fast cut and long life. Additionally, it is suitable for use on many metals, including softer metals and carbon steel. The mineral is adhered to the backing in a closed coat construction, meaning it covers 100% of the backing. This greater grain density equates to finer finishes.

Tips for Optimal Use

The 3M™ Square Pad 341D is made by folding strips of abrasive material over a metal eyelet to form a square abrasive pad. As the pad rotates, the corners provide fast cutting action, wearing down to expose fresh abrasive mineral. Square pads run smoothly and offer great control and access for corner weld grinding, finishing, and cleaning. They are slightly more aggressive than cross pads due to their square design, making them a good choice for tougher grinding and blending applications. The 341D square pads can be used with portable die grinders to facilitate easier and closer access to the workpiece. The metal eyelet attaches to a mandrel, either long or short, enabling the operator to tighten or extend the abrasive's proximity to the part. The pad is available in a range of grades and sizes, providing added versatility to secure a fine or coarse scratch depending on the project needs.

Conquer Corners

Square pads are useful across industries and markets, commonly applied in metalworking and maintenance repair operations. Their square shape and cushioned pad make them a good abrasive for grinding, blending, and finishing flat surfaces, channels, and corners. They tackle these unique workpiece contours by cleanly abrading the surface with their square tips. The 3M™ Square Pad 341D is particularly useful when faced with tight corners.

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