Premium Performance Tackles Carbon Steel 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 782C contains Precision Shaped Grain (PSG) to optimize the balance of speed and longevity for many of your carbon steel operations. Disc construction includes a stiff fiber backing and strong resin bond that provide durability and tear-resistance, which along with fast-cutting abrasive grain enables operators to complete more parts per disc and requires fewer disc changes.
The exceptional life and cut of our 782C Fibre Disc make it one of 3M’s best grinding discs for high production environments, providing significant gains over conventional fiber discs. When our highest-tier fiber disc may be under-utilized but productivity is still your bottom line, our 782C 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. Because the grain wears evenly and stays sharp, 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.
Attachment Styles
To suit many different project needs, we offer these discs in a range of sizes and a variety of attachment styles. We offer 7/8″ center hole (CH) discs that require the use of a 3M disc pad face plate and 3M hub. This ensemble is attached to a right angle grinder with a disc retainer nut (all sold separately). Also available are GL and TN style discs with convenient built-in fasteners to provide reliable attachment to the tool and easy disc changes between applications. Smaller sized discs with quick change attachments are sold separately as 3M™ Roloc™ Fibre Disc 782C.
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 we offer a complete line of high quality metalworking abrasive solutions to meet your tough jobs. Our 3M™ Fibre Disc 782C 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.

 Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander						 ACS Diamond Cloth Belt, CX1250 3" X 30" 9U
ACS Diamond Cloth Belt, CX1250 3" X 30" 9U						 3M 29834, Sanding Screen, 100 Grit, 18 in x NH, 7100160819
3M 29834, Sanding Screen, 100 Grit, 18 in x NH, 7100160819						 3M 55053, Cubitron II Cloth Belt 984F, 80+ YF-weight, 1/2 in x 12 in, Fabri-lok, Single-flex, 7000119518, 200 per case
3M 55053, Cubitron II Cloth Belt 984F, 80+ YF-weight, 1/2 in x 12 in, Fabri-lok, Single-flex, 7000119518, 200 per case						 Dynabrade 91430 1/2" W x 12" L 120 Grit A/O DynaCut Belt, 50/pack
Dynabrade 91430 1/2" W x 12" L 120 Grit A/O DynaCut Belt, 50/pack						 3M 20465, Hookit Clean Sanding Low Profile Disc Pad 861 Plus, 6 in x 3/8 in x 5/8 in CH x 5-16/24 in External 53 Holes Red Foam, 7100022038
3M 20465, Hookit Clean Sanding Low Profile Disc Pad 861 Plus, 6 in x 3/8 in x 5/8 in CH x 5-16/24 in External 53 Holes Red Foam, 7100022038						 3M 29844, Sanding Screen, 120 Grit, 16 in x NH, 7100160823
3M 29844, Sanding Screen, 120 Grit, 16 in x NH, 7100160823						 3M 31381, Cubitron II Hookit Marine Sanding Abrasive Disc 737U, 31381, 6 in, 120+, 7100062433
3M 31381, Cubitron II Hookit Marine Sanding Abrasive Disc 737U, 31381, 6 in, 120+, 7100062433						 3M 22404, Roloc Disc 361F, 80 YF-weight, TR, 3 in, Die R300V, 7000045100
3M 22404, Roloc Disc 361F, 80 YF-weight, TR, 3 in, Die R300V, 7000045100						 3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095						 3M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757
3M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757						 3M 29837, Sanding Screen, 180 Grit, 17 in x NH, 7100160762
3M 29837, Sanding Screen, 180 Grit, 17 in x NH, 7100160762						 Standard Abrasives 701616, PSA A/O Disc, 12 in x NH, 50, 7010369977
Standard Abrasives 701616, PSA A/O Disc, 12 in x NH, 50, 7010369977						 3M 07414, Hand Sanding Metal Finishing Pad 7414NA, 4.375 in x 11 in, Maroon Medium, 7010315820
3M 07414, Hand Sanding Metal Finishing Pad 7414NA, 4.375 in x 11 in, Maroon Medium, 7010315820						 3M 29823, Sanding Screen, 100 Grit, 20 in x NH, 7100160246
3M 29823, Sanding Screen, 100 Grit, 20 in x NH, 7100160246						 3M 20444, Hookit Clean Sanding Disc Pad Hook Saver, 5 in 44 Holes, 7000045012
3M 20444, Hookit Clean Sanding Disc Pad Hook Saver, 5 in 44 Holes, 7000045012						 3M 20350, Hookit Clean Sanding Low Profile Disc Pad, 3 in x 1/2 in x 1/4-20 External 3 Holes Red Foam, 7000028147
3M 20350, Hookit Clean Sanding Low Profile Disc Pad, 3 in x 1/2 in x 1/4-20 External 3 Holes Red Foam, 7000028147						 3M 16976, Scotch-Brite Light Cleansing Hand Pad 7445, HP-HP, Nepheline Syenite Super Fine, White, 6 in x 9 in, 7000000727, 60/Case
3M 16976, Scotch-Brite Light Cleansing Hand Pad 7445, HP-HP, Nepheline Syenite Super Fine, White, 6 in x 9 in, 7000000727, 60/Case						 3M 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097
3M 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097						 3M 29828, Sanding Screen, 100 Grit, 19 in x NH, 7100160248
3M 29828, Sanding Screen, 100 Grit, 19 in x NH, 7100160248						 3M 29830, Sanding Screen, 60 Grit, 19 in x NH, 7100160131
3M 29830, Sanding Screen, 60 Grit, 19 in x NH, 7100160131						 Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint						

 
				 
				 
				