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 51226 2" Dia. Right Angle Disc Sander, Self-Generated Vacuum, 15,000 RPM
Dynabrade 53651 Spacer
Dynabrade 56818 5" Dia. Self-Generated Vacuum Dynorbital Supreme Random Orbital Sander, 3/16" Orbit
Dynabrade 14064 'O' Ring
Dynabrade 57328 Shroud
Dynabrade 55160 Housing Ass'y for 3" Dynabuffer
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
Dynabrade 78376 4" Dia. x 4" W x 3/4" Center Hole, 40 Grit, A/O, DynaCut Flap Wheel w/Flange 
