At 3M, we discover and innovate in nearly every industry to help solve problems around the world.
Most widely used diamond lapping film
Fast cut, increased throughput
Flatter surface and sharp edges
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.