3M™ Diamond Lapping Film Sheet 661X is made from precisely graded diamond particles coated on a polyester film. 3M film 661X provides a consistent, repeatable finish on extremely hard materials while delivering fast cut and increased throughput.

For diamond lapping on extremely hard materials such as ceramics, stone and glass, choose 3M™ Diamond Lapping Film 661X. Our films cut fast for a more efficient process. A tightly graded diamond mineral, precision coated on a 3.0 mil polyester film backing, they provide a flat surface, sharp edges and a uniform finish. Available in discs, sheets and rolls.