Premium Performance Tackles Carbon Steel Applications
Balance cost and output by selecting the abrasive with precisely the right amount of cut and life. 3M™ Roloc™ 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 many applications such as:
- Edge chamfering
- Beveling
- 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.
Roloc™ System Enables Easy Tool Attachment
To suit many different project needs, we offer these discs in a range of sizes and a variety of attachment styles. The 3M™ Roloc™ Fibre Disc 782C is available in 2-4″ diameters for use with the following Roloc attachment systems: TR and TSP. Please select discs with the attachment design made for your system. We also offer 3M™ Fibre Disc 782C in larger sizes with a center hole and with GL and TN attachments (sold separately).
Tips for Optimal Use
Fiber discs are heavy-duty abrasives that feature a tough, stiff backing made from vulcanized fibre that resist wear and can handle tough grinding applications. For optimal performance, the disc should be used with a 3M™ Roloc™ Disc Pad of the appropriate density for the application—a softer disc pad for lighter weight grinding applications, and a harder density disc pad for more heavyweight grinding applications. Using the correct pad 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™ Roloc™ 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 93349 Carbide Burr, 1/8" Dia., SN-42 D/C Burr, 10 Degree Inverted Cone, 3/16" Flute L, 1/8" Shank
3M™ 07010, Supplied Air Respirator Hose W-9435-25/07010(AAD), 25 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005374, 1 EA/Case
Dynabrade 48371 .4 hp Straight-Line Die Grinder, Rear Exhaust, 25,000 RPM, 1/4" Collet
Dynabrade 82442 6" Dia. x 60 Grit A/O Hook Non-Vacuum Film-Backed DynaCut Disc, 100/Box
Dynabrade 51700 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 60,000 RPM, 1/8" Collet
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
Dynabrade 01025 O-Ring
3M 53914, Performance Plus Duct Tape 8979N Nuclear Red, 48 mm x 54.8 m 12.1 mil, 7000049014, 24/ case
Dynabrade 11321 Contact Arm Ass'y, 7/16" Dia. x 3/8" W, Rubber Wheel, with 1/2" W Platen
Dynabrade 57737 Overskirt Shroud for Orbital Sander
Dynabrade 80459 HEPA 13 Vacuum Cartridge Filter
3M 11137, Roloc Disc 361F, 50 YF-weight, TR, 1-1/2 in, Die R150S, 7000045094
Dynabrade X3252V - 3" Mini Extreme & 5" Extreme Random Orbital Sander, Vac, Combo Kit 12,000 RPM, 3/32" Dia., Rear Exhaust
Dynabrade 51705 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 50,000 RPM, 3/32" Collet
Dynabrade 52438 5" (127 mm) Dia. 7 Degree Offset Vacuum Cut-Off Wheel Tool
Dynabrade 51304 .5 hp Straight-Line Die Grinder, Rear Exhaust, 15,000 RPM, 1/4" Collet
3M 45714, Cubitron II Hookit Cloth Disc 947A, 120+ X-weight, 3 in x NH, D/F 3HL, Die 300BE, 7100113113
Dynabrade 52580 4" (102 mm) Dia. Straight-Line 6" (152 mm) Extension Cut-Off Wheel Tool, Rear Exhaust, 1 HP, 18,000 RPM, 3/8"-24 Spindle
Dynabrade 11304 Contact Arm Ass'y, 5/8" Dia. x 3/8" W, Rubber Wheel, Banana Arm
Dynabrade 52290 .7 hp 7 Degree Offset Die Grinder, Front Exhaust, Short Shank, 20,000 RPM, 1/4" Collet
Dynabrade 52102 .5 hp Straight-Line Die Grinder, Rear Exhaust, 4,500 RPM, 1/4" Collet
Dynabrade 14303 Dynangle II Abrasive Belt Tool, Dual Motor w/Platen
Dynabrade 51702 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 60,000 RPM, 3/32" Collet
Dynabrade 90273 3-1/2" W x 15-1/2" L 80 Grit A/Z DynaCut Belt, 10/pack
Dynabrade 48201 .4 hp Straight-Line Die Grinder, Rear Exhaust, 25,000 RPM, 1/4" Collet
Dynabrade 54730 3" (76 mm) Dia. Right Angle Type 1 Cut-Off Tool, Rear Exhaust, .7 HP, 18,000 RPM, 3/8"-24 Spindle
Dynabrade 96211 Bearing Removal Tool
Dynabrade 52717 Cone or Plug Wheel Grinder, 18,000 RPM, 3/8"-24 Male Thread Spindle
Dynabrade 48350 .4 hp Straight-Line Die Grinder, Rear Exhaust, 35,000 RPM, 1/8" Collet
Dynabrade 69359 Muffler Body
Dynabrade 95676 1/4" Female Coupler with 1/4" Male Plug Assembly
Dynabrade 51151 7" Dia. Disc Backup Pad, Medium Density, 5/8"-11 Thread
3M 29611, 641WY 1/4" X 24", 100 Mesh Diamond Cloth Belt, 7010534832
Dynabrade 51106 Collet, 5/16"-24 Female Thread, 1/4" Capacity, 4-Piece Collet
Dynabrade 56183 6" Dia. Vacuum Disc Pad, Hook-Face, Short Nap
Dynabrade RB2 - 8" Right Angle Buffer/Polisher
Dynabrade 52576 3" (76 mm) Dia. Straight-Line 6" (152 mm) Extension Cut-Off Wheel Tool, Rear Exhaust, 1 HP, 15,000 RPM, 3/8"-24 Spindle
Dynabrade 18594 Pinion Gear
Dynabrade 53532 Cone or Plug Grinder (Double Extension), 18,000 RPM, 3/8"-24 Male Thread Spindle
Dynabrade 92283 Bolt, Dynazip Hub
Dynabrade 96044 Motor Tune-Up Kit
Dynabrade 13206 Dynastraight Finishing Tool, .7 HP, Rear Exhaust, 4,500 RPM, 1/2" Dia. Arbor
Dynabrade 52660 1 hp Straight-Line Die Grinder, Rear Exhaust, 950 RPM, 1/4" Collet
Dynabrade 96304 Gasket
Dynabrade 52633 5" Dia Right Angle Depressed Center Wheel Grinder, 1.3 HP, 12,000 RPM, 5/8"-11 Spindle
Dynabrade 59020S - 5" Non-Vac Dynorbital Spirit Random Orbital Sander
3M 01326, PSA Cloth Disc 348D, P240 X-weight, 3 in x NH, Die 300V, 7000045069 
