3M 777F High performance, ultra-durable discs with ceramic 3M CubitronTM abrasive mineral - perfect for use on stainless steels. Features and Benefits Highly durable stiff fibre backing and strong resin bond provide durability and tear resistance, even during heavyweight applications Ideal for grinding and finishing weld seams on all types of metals Notes Maximum rpm: 25mm discs = 25,000rpm 38, 50 and 75mm discs = 20,000rpm Disc pad face plates and fibre discs separately
