3M 7000045163 Cubitron Ii 987C Fiber Disc 60 Grit

Product Description

The 3M 7000045163 is a Cubitron II 987C coated fiber disc designed for medium to heavy-duty metal grinding applications. It uses 3M Precision-Shaped Grain, a ceramic abrasive mineral engineered to maintain sharp cutting points throughout the disc life, delivering a higher cut rate with less applied pressure than conventional abrasive discs. The stiff fiber backing and strong resin bond keep the disc rigid and tear-resistant under aggressive grinding conditions such as weld grinding and beveling. A built-in grinding aid helps manage heat at the work surface, making this disc suitable for heat-sensitive alloys.

This fiber disc is used in industrial metal fabrication environments where high stock removal rates and long disc life are priorities. It is well suited for weld grinding, bevel preparation, and surface conditioning on carbon steel, stainless steel, and other alloys. The disc is also designed to hold up in robotic and pressure-assisted grinding setups, where consistent performance and reduced changeout frequency reduce downtime. Trade professionals in metal fabrication, structural steel, and heavy manufacturing install and operate these discs with standard angle grinders and disc holders.

Key Features

• 3M Precision-Shaped Grain maintains sharp cutting points for fast stock removal with reduced grinding pressure
• Higher cut rate and longer disc life compared to conventional fiber discs, reducing changeout frequency
• Stiff fiber backing with strong resin bond provides tear resistance for high-pressure weld grinding and beveling
• Integrated grinding aid minimizes heat buildup, protecting heat-sensitive alloys during grinding
• Suitable for robotic and pressure-assisted grinding applications requiring consistent, repeatable performance

Compatibility

Designed as a coated fiber disc replacement for medium to heavy-duty angle grinder applications requiring a 9.125-inch diameter disc at 60 grit.

Installation Notes

This disc is installed and operated by metal fabricators, welders, and industrial grinding technicians. Always ensure the grinder is rated for a minimum of 6600 rpm before mounting this disc. Power down and disconnect the grinder from its power source before changing discs. Inspect the fiber disc for damage or delamination before each use and do not use a disc that shows signs of cracking or delamination.

Technical Specifications

• Disc Type: Coated Fiber Disc
• Series: Cubitron II 987C
• Diameter: 9.125 inches
• Grit: 60
• Maximum Speed: 6600 rpm
• Weight: 0.18 pounds
• UPC: 00051141276564
• Unit of Measure: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000045163