3M 7000044735 Diamond Lapping Film Disc 8 Inch

Product Description

The 3M 7000044735 is a diamond lapping film disc engineered for precision abrasive finishing and surface preparation applications. This 8-inch diameter disc features the 662XW formulation, which uses a higher diamond concentration and a stronger resin bond compared to standard diamond lapping film. The result is increased durability, a faster cut rate, and a longer service life between disc changes. At a 0.50 micron grade, it is suited for ultra-fine finishing passes where tight surface tolerances and consistent flatness are required. Technicians and machinists working on optical, fiber optic, semiconductor, or precision mechanical components rely on this disc for repeatable, controlled material removal.

This disc is used in precision lapping and polishing operations where flat, burr-free surfaces are required. The 662XW formulation maintains a flat cutting surface throughout its service life, which reduces edge rounding and helps hold geometric tolerances on critical workpieces. It is well suited for use on lapping machines and rotary fixture setups in manufacturing and repair environments. The disc format allows quick mounting and removal, supporting higher throughput in production settings where multiple finishing grades are cycled in sequence.

Key Features

• Higher diamond concentration for increased cut rate versus standard diamond lapping film
• Stronger resin bond provides added durability and extended abrasive life
• Flat cutting surface minimizes edge rounding and maintains geometric tolerances
• 0.50 micron grade for ultra-fine surface finishing
• 8-inch disc format for use on rotary lapping fixtures and machines
• Long abrasive life reduces frequency of disc changes in production use

Compatibility

Designed as an OEM-style replacement disc for precision lapping and polishing equipment accepting 8-inch diameter abrasive film discs.

Installation Notes

This disc is typically installed by machinists or precision finishing technicians using standard rotary lapping equipment. Ensure the lapping plate or fixture surface is clean and free of debris before mounting the disc to prevent uneven wear or surface defects. Power down and de-energize all rotating equipment before disc changes. Follow equipment manufacturer guidelines for proper disc seating and backing plate preparation.

Technical Specifications

• Diameter: 8 inches
• Abrasive Grade: 0.50 micron
• Abrasive Type: Diamond
• Product Series: 662XW
• Weight: 0.02 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 25

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000044735