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SKU 7100195940
Legacy SKU 60440319295
UPC 00638060304006
Product Number 787C

Engineered for ultra-rapid cut, 3M Fibre Disc 787C features 3M Precision Shaped Grain. With its outstanding cut, durability, and ease of use, this disc offers a step up in performance over conventional fiber discs. Constructed with a grinding aid, it is an excellent choice for weld removal, blending, and finish refinement on stainless steel and high nickel alloys.

  • Rapidly cuts hard to grind metals like stainless steel and high nickel alloys
  • Premium mineral excels at heavyweight applications such as weld grinding, beveling, and edge chamfering
  • 3M Precision Shaped Grain yields higher cut rates and cooler cut while completing more parts per disc than conventional fibre discs
  • Grinding aid minimizes grinding temperatures for heat-sensitive alloys
  • Long-lasting disc helps reduce cost
  • Stiff fiber backing and strong resin bond provide durability and tear-resistance
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On it's way to you April 24  

Qty

Minimum Order 100 Items
Order Increment 100 Items
  Multi-Functional
  Easy To Use
  Time Saving
  Industry Low Price
Product Dimensions
Imperial Metric
Diameter 3 in 76.2 mm
Center Hole Diameter 3/8 in 9.525 mm
Shipping Dimensions
Weight 2.917 lb
Length 11.21 in
Width 6.7 in
Height 6.95 in
Color Orange
Thread Size Non Pertinent
Maximum Speed 20,200 rpm

PRODUCT FAQ

  1. What is the size of 3M™ Fibre Disc 787C?

    The size of 3M™ Fibre Disc 787C is 3 in x 3/8 in.

  2. What does "36+" mean for the product?

    "36+" refers to grade or grit, which means that it has a coarse abrasive surface suitable for grinding and sanding operations.

  3. What is Die 300B used for?

    Die number (Die-#) indicates how hard or soft the bond of the abrasive material is. Die 300B means a medium-hard resinous bond best suited to MRO metalworking applications.

  4. How many pieces are included in each inner pack and outer case for this product?

    There are total of twenty-five (25) discs that come inside one inner pack while four (4) such packs make up an outer case containing one hundred (100) discs per case.

  5. Is it durable enough to use on materials like stainless steel or aluminum?

    Absolutely! Its premium ceramic mineral technology provides faster cut rates, longer life, better overall performance than conventional abrasives when used properly. It's expected lifespan exceeds traditional fiber disc as well as other similar brands' products out there.

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.
The Advanced Solution for Challenging Applications

Balance cost and output by selecting the abrasive with precisely the right amount of cut and life, no more and no less. 3M™ Fibre Disc 787C contains the exact amount of precision shaped grain (PSG) you need to optimize the balance of speed and longevity for challenging applications from grinding to deburring. Moreover, to keep the disc and workpiece cool, a grinding aid is incorporated, further prolonging disc life. Disc construction includes a stiff fiber backing and strong resin bond that provide durability and tear-resistance, which along with abrasive grain enables operators to complete more parts per disc and requires fewer disc changes.

The exceptional life and cut of the 787C Fibre Disc make it one of 3M's best grinding discs for high production environments, providing significant gains over conventional fiber discs. When a highest-tier fiber disc may be under-utilized but productivity is still your bottom line, the 787C Fibre Disc delivers outstanding throughput. This fiber disc is an excellent choice for a range of applications such as:

  • Edge chamfering
  • Beveling
  • Deburring
  • Weld removal
Step Up Production with 3M Precision Shaped Grain

Developed for improved output on light to heavy stock removal, 3M Precision Shaped Grain lets operators finish tough tasks faster and with less fatigue. It wears evenly, and because the abrasive itself stays cooler and sharper, PSG abrasives last significantly longer than their conventional ceramic counterparts, ensuring extended high performance in production applications.

To accomplish this level of performance, 3M engineers apply proprietary microreplication technology to create precise triangular structures of 3M™ Ceramic Abrasive Grain, and then electrostatically orient them on the backing to form sharp peaks. These ultra-sharp peaks slice cleanly through metal rather than gouging or "plowing" as conventional abrasives do, and continuously self-sharpen as the points break off.

Choice of Power Tool Attachment

To suit many different project needs, 787C discs are offered in a range of sizes and a variety of attachment styles. Larger sized discs have a 7/8 inch center hole and require the use of a 3M™ disc pad face plate and hub, which are attached to a right angle grinder with a disc retainer nut (all sold separately). GL and TN quick change attachments are an option for 4-1/2 inch to 7 inch discs. Smaller sized quick change Roloc™ Discs are also available (sold separately) and provide reliable attachment to the tool and easy disc changes between applications.

Tips for Optimal Use

Fiber discs are heavy-duty abrasives that feature a tough, stiff backing made from vulcanized fiber that resist wear and can handle tough grinding applications. For optimal performance, the disc should be used with a face plate of the appropriate density for the application—a lighter density face plate for lighter weight grinding applications, and a harder density face plate for more heavyweight grinding applications. Using the correct face plate for the application ensures that the abrasive mineral will re-sharpen, maximizing the life of the abrasive.

3M Engineered for Peak Productivity

3M Abrasives engineers know abrasive construction. For more than 100 years 3M has been a leading abrasive supplier for the metalworking and woodworking industries, and 3M offers a complete line of high quality metalworking abrasive solutions to meet your tough jobs. The 3M™ Fibre Disc 787C is designed to enable operators to take production to the next level by completing more work in less time. It is a prime example of how 3M science provides advanced solutions to help industrial businesses operate faster, better and more efficiently.

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