Product Details
The 3M™ Diamond Lapping Film 661X measures 4" x 50' x 3" and features precisely graded diamond particles coated on a polyester film, providing a consistent, repeatable finish on extremely hard materials. It is available in several grades ranging from 0.10 to 30.0 micron. Key applications include fiber optic connector polishing, flat lapping, and superfinishing, with primary use in the electronics industry.








