We used aluminum oxide abrasive, which is a popular choice among industrial professionals because of its fast cut-rate and long life. This mineral makes a tough, durable abrasive that self-fractures to expose fresh cutting edges, whereas traditional natural abrasives dull more quickly. Due to its fast cut-rate, hardness, and strength, it is widely used in grinding applications in addition to sanding and finishing applications. Aluminum oxide is suitable for a wide variety of materials in both woodworking and metalworking, including ferrous alloys.
Heat-resistant resin is a sturdy binding agent that adheres the abrasive to the backing and maintains the stability of the bond even in conditions of high heat or pressure. Cloth-backed discs are known for their durability and flexibility. They’re a good first choice when working with metal or for heavy wood stock removal.
3M Roloc Disc 361F is available for use with the following Roloc attachment systems: TSM, TR, TP and TS. Please select discs with the attachment design made for your system.

Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 22392, Roloc Disc 361F, 24 YF-weight, TR, 3 in, Die R300V, 7000045090
3M 28625, DISC PAD FACE PLATE RIBBED 81732L, 5 IN EXTRA HARD RED, 7010362529
Dynabrade 40320 Dynafile II Abrasive Belt Tool
3M 05208, Hookit Sanding Block D/F, 70MM x 198MM, 7000028311
Dynabrade 78293 3" Dia. x 2S Fine, Type R Unitized Locking-Type Disc, 25/pack
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
Dynabrade 78185 3" Dia., Extra Coarse, NWN DynaBrite, TR Locking-Type Disc, 25/pack
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
Dynabrade 78425 4-1/2" Dia. x 3/8" Coarse DynaBrite Surface Conditioning Disc, 25/pack
3M Super Abrasives Roloc Disc, 2" Type-R, Medium AO High Strength, Box of 50
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
Dynabrade 92087 3" Dia. x 50 Grit Ceramic Non-Vacuum DynaCut Locking-Type Disc, 25/pack 
