The 3M Lapping Film Discs with Plain Back are engineered for precision grinding and polishing across a range of industrial and precision finishing applications. Available in multiple diameters and abrasive types, these discs provide controlled, uniform material removal for consistent, repeatable surface finishes on metals, glass, ceramics, and composites.
Key Features:
Sizes: 4″ x NH (102mm x NH), 5″ x NH (127mm x NH), 8″ x NH (203mm x NH), and 12″ x NH (305mm x NH)
Backing: Plain Back for compatibility with standard holders and lapping/polishing equipment
Abrasive Materials: Aluminum Oxide (AlOx), Silicon Carbide (SiC), and Cerium Oxide (CeOx)
Pack Quantity: 50 discs per pack (8″ and 12″); 100 discs per pack (4″ and 5″)
Weight: 0.48 lbs per pack (8″)
Benefits:
Precise Material Removal: Graded abrasive particles deliver consistent, controlled cutting action for smooth, defect-free surfaces
Broad Size Range: Four diameters support applications from small-format tooling to large-area surface preparation
Versatile Mounting: Plain back design is compatible with a wide range of holders, backing plates, and lapping fixtures
Reliable, Repeatable Results: Uniform abrasive coating ensures consistent finish quality across discs and production runs
Applications:
Metal Finishing: Precision grinding and polishing of steel, aluminum, and other alloys
Optical Surfaces: Glass and optical component finishing
Ceramics & Composites: Smoothing and polishing ceramic and composite materials
Tool & Die Making: Surface preparation and refinement for precision components
General Industrial: Surface preparation prior to plating, coating, or additional finishing steps
Available Configurations:
Size Abrasive Pack Qty
4″ x NH (102mm x NH) AlOx or SiC 100/pk
5″ x NH (127mm x NH) AlOx or SiC 100/pk
8″ x NH (203mm x NH) AlOx or SiC 50/pk
12″ x NH (305mm x NH) AlOx, SiC, or CeOx 50/pk
Quantity Discounts: Available for orders of 10 & 30 packs (4″ and 5″); 10 & 30 packs (8″); 2 & 6 packs (12″).
3M Lapping Film Discs, Plain Back, AlOx/SiC/CeOx, multiple sizes.
This 3M Product is for industrial use only, not for consumer sale or use.
See RESOURCES > 3M Disclaimer.
