3M 777F Perfect for grinding stainless, nickel alloy and titanium. 3M material bonded to a tough backing. Incorporate a grinding aid to ensure long life and high cut rates on all metals. Can be used to blend scratches left by coated abrasive belts. Features and Benefits Class-leading efficiency - 3M ceramic aluminum oxide grain blend out-performs aluminum oxide abrasives in cut-rate Durable ceramic/aluminum oxide blend results in a class-leading belt life, producing more parts per belt and requiring fewer belt changes Ultra-durable, heavyweight polyester backing supports high-pressure, tough applications and can be run wet or dry Contains a grinding aid to reduce heat and increase performance when used stainless steel and other exotic metals Durable resin bond protects belt from heat damage and extends the life of the belt Notes Further sizes and grits available on request