The 3M™ Cloth Belt 777F is a ceramic grain abrasive belt constructed on a YF-weight, polyester cloth backing. It is resin bonded for heat resistance. It can be run wet or dry. 3M™ Cloth Belts 777F are versatile belts that can be run wet or dry. They are made of a 3M™ Ceramic Aluminum Oxide blend abrasive grain and a heavy YF-weight cloth backing to support high pressure and tough applications. 3M™ Cloth Belts 777F are recommended in offhand and pressure grinding. Tjeu incorporate a grinding aid to reduce heat and improve performance when used on stainless steel and other exotic metals. The resin bonding withstands high heat and pressure for a longer service life. 3M™ Coated Belts are available in a variety of sizes and performance levels for all of your coated abrasive belt needs.