3M 7000028121 Diamond Lapping Film Disc 5 Inch

Product Description

The 3M 7000028121 is a 5-inch diameter diamond lapping film disc engineered for precision surface finishing and material removal. Built on the 662XW platform, it features a higher diamond concentration and a stronger resin bond compared to standard diamond lapping film, delivering increased cut rate and longer abrasive life. The result is a flat, consistent surface finish with minimal rounding. This disc is suited for technicians and tradespeople who require repeatable, high-quality finishes on fiber optic connectors, hard metals, ceramics, and similar precision components.

This disc is used in applications that demand tight surface tolerances, including fiber optic polishing, precision tool finishing, and component lapping in telecommunications and industrial maintenance settings. The 662XW series is available in multiple micron grades ranging from 0.50 to 9.0 microns, allowing technicians to work through progressive finishing stages with a consistent product family. The 7000028121 represents a specific grade within that lineup.

Key Features

• Higher diamond concentration for increased cut rate over standard diamond lapping film
• Stronger resin bond adds durability and extends abrasive service life
• Flat surface finish with no rounding of edges or profiles
• Long abrasive life reduces disc change frequency and downtime
• Available in discs, rolls, and sheets for flexible workflow integration
• Part of the 662XW series spanning 0.50, 1.0, 1.50, 3.0, 6.0, and 9.0 micron grades

Compatibility

Designed for use in precision lapping and polishing applications requiring a 5-inch diameter disc format, compatible with standard lapping film disc holders and polishing fixtures used in fiber optic and industrial finishing setups.

Installation Notes

Installation and use of lapping film discs should be performed by qualified technicians familiar with precision surface finishing procedures. Ensure the lapping plate or fixture is clean and free of contamination before mounting the disc. Apply consistent, controlled pressure during use to maintain flat contact and avoid uneven wear. Follow all applicable workplace safety guidelines when working with abrasive materials.

Technical Specifications

• Diameter: 5 inches
• Product Series: 662XW Diamond Lapping Film
• Available Micron Grades: 0.50, 1.0, 1.50, 3.0, 6.0, 9.0 micron
• Weight: 0.01 pounds
• Package Length: 7.71 inches
• Package Width: 6.88 inches
• Package Height: 4.7 inches
• Unit of Measure: Each
• UPC: 00051111500538

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000028121