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SKU 7100105580
Legacy SKU 60440309890
UPC 00076308653408
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
Estimated date of shipment July 6  


Minimum Order 100 Items
Order Increment 100 Items
  Immense Durability
  Long-Life Performance
  Easy To Use
  Lowest Price Per Item
Product Dimensions
Imperial Metric
Width 3 in 76.2 mm
Length 3 in 76.2 mm
Thickness 1/2 in 12.7 mm
Shipping Dimensions
Weight 19.41 lb
Length 12 in
Width 12 in
Height 11.063 in
Color Brown
Maximum RPM 9,000
Grit P100


  1. What is the 3M™ Square Pad 341D?

    The 3M™ Square Pad 341D is a sanding pad that is perfect for preparing surfaces for painting and finishing.

  2. What are the dimensions of each square pad, and what grade of sandpaper does it use?

    Each pad measures 3 inches by 3 inches with a thickness of half an inch. The pads use P100 X-weight grade sandpaper.

  3. How many square pads come per inner and case, respectively?

    There are fifty (50) pads included in an inner while there are one hundred (100) in a case.

  4. Is this product suitable for professional contractors or do-it-yourself projects only?

    The versatile design and durability make the 3M™ Square Pad 341D ideal for both professional contractors as well as DIY enthusiasts.

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 construct 3M™ Square Pad 341D we adhere aluminum oxide mineral to an X-weight cloth backing with resin. Each ingredient plays an important role in the abrasive's performance and longevity. The X-weight cloth backing is durable, heavy and won't deflect when in use. It helps the pad aggressively tackle channels, fillet welds and corners. Aluminum oxide mineral delivers a soft scratch pattern that is often desirable for finishing and polishing. Aluminum oxide is a popular mineral choice among industrial professionals because of its fast cut and long life. It's suitable for use on many metals, including softer metals and carbon steel. Aluminum oxide mineral is adhered to the backing in a closed coat construction — meaning the mineral covers 100% of the backing. The greater grain density of this coated abrasive equates to finer finishes.

Tips for Optimal Use
Strips of abrasive material are folded 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 given their square design, so they're a good choice for tougher grinding and blending applications. The 341D square pads may be used with portable die grinders to facilitate easier and closer access to the workpiece, and the metal eyelet attaches to a mandrel —long or short — enabling the operator to tighten or extend the abrasive's proximity to the part. For added versatility, the pad is available in a range of grades and sizes, so operators can secure a fine or coarse scratch depending on their project needs.

Conquer Corners
Square pads are useful across industries and markets, commonly applied in metalworking and maintenance repair operations. Altogether, their square shape and cushioned pad render 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. 3M™ Square Pad 341D is great to have on hand when faced with tight corners.
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