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.

Insize 6311-1, MICROMETER SETTING STANDARD, 1", 6928640348365
Dynabrade 91429 1/2" W x 12" L 80 Grit A/O DynaCut Belt, 50/pack
Dynabrade 91315 11-1/4" Dia. x 36 Grit A/O Non-Vacuum Hook-Face DynaCut Disc, 10/Box
3M 04021, Unitized Wheel Mandrel 934, 3-1/16 in x 1/4 in x 2-1/2 in, 7000028562
Dynabrade 15101 Tension Arm (for Mini Dynafile II) 
