3M 7000008837 Diamond Lapping Film Disc 8 Inch

Product Description

The 3M 7000008837 is a diamond lapping film disc designed for precision finishing of extremely hard materials. Precisely graded diamond abrasive particles are coated onto a polyester film backing, delivering a consistent, repeatable surface finish across every pass. The disc measures 8 inches in diameter and is suited for applications where tight surface geometry and edge sharpness are critical. This product is part of the most widely used diamond lapping film line in the industry, offering fast material removal with controlled, uniform results. Technicians and machinists working with ceramics, carbide, glass, or optical components rely on this disc for predictable, repeatable outcomes.

This disc is used in precision lapping and polishing operations across manufacturing, optical, electronics, and toolroom environments. It performs well on substrates that standard abrasives cannot effectively process, including hardened tool steel, technical ceramics, and fiber optic end faces. The polyester film backing provides dimensional stability during use, helping maintain flat surfaces and sharp edges throughout the lapping process. It is available as an individual disc and is also offered in sheet and roll formats to match various fixture and machine configurations.

Key Features

• Precisely graded diamond particles for consistent, repeatable finish results
• Polyester film backing provides dimensional stability and flatness
• Fast cut rate increases throughput on hard-to-process materials
• Produces flatter surfaces and sharper edges compared to conventional abrasive films
• Uniform finish across the full disc surface
• Available in multiple grades ranging from 0.10 to 30.0 micron

Compatibility

Designed for use on extremely hard materials including ceramics, carbide, glass, and optical components where conventional abrasive films are insufficient. Verify grade selection against required surface finish specification before use.

Installation Notes

This disc is installed and used by machinists, optical technicians, and precision toolroom professionals. Secure the disc to a flat lapping plate or appropriate fixture before use to ensure consistent contact pressure. Inspect the disc surface before each use and replace when abrasive loading or wear is evident. Do not exceed the recommended load or speed rating for the lapping equipment in use.

Technical Specifications

• Diameter: 8 inches
• Abrasive Type: Diamond
• Backing Material: Polyester Film
• Grade Range: 0.10 to 30.0 micron
• Unit of Measure: Each
• Minimum Order Quantity: 25
• Weight: 0.02 pounds

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000008837