3M 7010308138 Cubitron Ii 987C Fiber Disc 60 Grit 7 in

Product Description

The 3M 7010308138 is the Cubitron II 987C coated fiber disc, a high-performance abrasive engineered for medium to heavy-duty metal grinding and stock removal. Built around 3M Precision-Shaped Grain, this disc maintains consistently sharp cutting points that deliver a faster cut rate at lower grinding pressure than conventional abrasive fiber discs. The 7-inch diameter disc runs at a maximum of 8,600 rpm and uses a stiff fiber backing bonded with a strong resin system, giving it the structural rigidity required for demanding weld grinding, beveling, and surface conditioning tasks. An integrated grinding aid helps manage heat buildup during operation, making it suitable for heat-sensitive alloys and extended production runs. Licensed tradespeople and fabrication professionals working with structural steel, stainless, and exotic alloys will find this disc purpose-built for high-throughput environments.

This disc is intended for use on right-angle grinders and pressure-assisted or robotic grinding systems in fabrication shops, manufacturing facilities, and heavy industrial settings. At 60 grit, it is suited for aggressive stock removal, weld blending, and edge beveling on ferrous and non-ferrous metals. The combination of a stiff fiber backing and Precision-Shaped Grain makes it particularly effective in applications where consistent cut rate across a full disc life is critical. It is sold per each unit with a minimum order quantity of 100 discs, making it appropriate for production purchasing and shop-floor replenishment programs.

Key Features

• 3M Precision-Shaped Grain sustains sharp cutting points for fast material removal at reduced grinding pressure
• Stiff fiber backing with strong resin bond resists tearing under high-pressure weld grinding and beveling loads
• Integrated grinding aid reduces disc surface temperatures, extending performance on heat-sensitive alloys
• Higher cut rate and longer disc life reduce changeouts and downtime in robotic and pressure-assisted applications
• 7-inch diameter at 60 grit targets aggressive stock removal and weld blending operations
• Rated to 8,600 rpm for compatibility with standard right-angle grinder speed ranges

Compatibility

Designed for use on right-angle grinders and automated or pressure-assisted grinding systems that accept 7-inch fiber discs with a standard arbor hole configuration. Suited for grinding ferrous metals, stainless steel, and heat-sensitive alloys in fabrication and heavy industrial applications.

Installation Notes

This disc is installed and replaced by qualified grinding machine operators or metal fabrication tradespeople following the grinder manufacturer's mounting instructions. Always power down and disconnect the grinder from its power source before mounting or removing any abrasive disc. Verify that the grinder's rated free speed meets or exceeds the disc's 8,600 rpm maximum speed rating before operation. Inspect the disc for damage before each use and do not use any disc that shows cracks, tears, or delamination.

Technical Specifications

• Disc Diameter: 7 inches
• Grit: 60
• Maximum Speed: 8,600 rpm
• Abrasive Type: Coated, 3M Precision-Shaped Grain
• Backing: Stiff fiber
• Construction: Resin bond with integrated grinding aid
• Weight: 0.13 pounds
• Unit of Measure: Each
• UPC: 00051141276632

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010308138