3M™ Roloc™ Disc, 777F, P120, 2 in (50.8 mm)

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"A blend of ceramic and aluminum oxide mineral offers improved durability and cut-rate over aluminum oxide 3M™ Roloc™ attachment system enables efficient and secure attachment and removal of the disc Polyester backing is extremely tough to support medium-pressure applications while maintaining consistent performance in both wet and dry applications Grinding aid reduces grinding temperatures for processes involving heat-sensitive alloys such as stainless steel, nickel alloys, and titanium Heat-resistant resin coating bonds abrasive to backing for durability under pressure, heat, and water"