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 78710 5/16" x 5/8"-B53 Dynacut A/O Mounted Point, 5/pack
Dynabrade 80076 Disposable Vacuum Paper Bag, 64 Ltr./17 Gal.
Dynabrade 53170 Drop-In Motor
Dynabrade 92252 - 1/2" Wide Hub Assembly
Dynabrade 92847 3" Dia. x 2-1/4" W Standard Dynacushion Pneumatic Wheel
Dynabrade 94980 1/4" Composite-Style Coupler, 1/4" Male
Dynabrade 61123 High Efficiency Collection Filter Bag (15-22 Gallon)
Dynabrade 64862 Variable Speed Versatility Grinder, Slack-Action, 3 hp, 240 V (AC), 3 Phase, 50/60 Hz, 2,000-8,000 SFPM, 1/4"-2" W x 72" L (6-51 mm x 122 cm) Belts
Dynabrade 98580 Motor Tune-Up Kit for National Detroit Sander Models 
