3M 7100099269 Quick Change Fibre Disc 80 Grit 4.5 Inches

Product Description

The 3M 7100099269 is a quick-change coated fibre disc engineered for high-speed material removal on carbon steel. Built around 3M Precision Shaped Grain abrasive technology, this 4.5-inch disc delivers faster cut rates and longer service life than conventional fibre discs. The stiff fibre backing and strong resin bond resist tearing under heavy load, making it a reliable choice for demanding grinding tasks. At 80 grit, it sits in the aggressive-cutting range suited to weld removal, beveling, edge chamfering, and surface blending. Metal fabricators, ironworkers, and maintenance welders are the primary users of this disc.

This disc is designed for use in professional metal fabrication and industrial maintenance environments. It performs well in both production and repair settings where carbon steel is the primary workpiece material. Typical applications include weld grinding, bevel preparation, edge chamfering, and intermediate blending before finish work. The quick-change attachment system reduces wheel-change time on the floor, supporting higher throughput in production environments. Compatible disc pad face plates and hubs are available separately from 3M.

Key Features

• 3M Precision Shaped Grain abrasive delivers higher cut rates and more parts per disc than conventional abrasive minerals
• 80 grit rating suited for aggressive material removal including weld grinding and beveling
• Stiff fibre backing and strong resin bond provide durability and tear resistance under heavy load
• Quick-change mounting system reduces downtime during wheel changes
• 4.5-inch diameter fits standard right-angle grinders commonly used in fabrication and field work
• Long-lasting abrasive mineral helps lower cost per part over the course of a job

Compatibility

Compatible with 3M disc pad face plates and hubs sold separately. Designed for use on carbon steel in weld removal, blending, and finish refinement applications.

Installation Notes

Installation should be performed by a qualified operator familiar with angle grinder safety practices. Ensure the grinder is disconnected from power before mounting or removing the disc. Verify that the tool RPM rating meets or exceeds the disc RPM rating before operation. Inspect the disc for damage before each use and do not use a disc that shows tears, cracks, or delamination.

Technical Specifications

• Diameter: 4.5 inches
• Grit: 80
• Disc Type: Coated Fibre
• Attachment Style: Quick Change
• Application Material: Carbon Steel
• Package Weight: 6.221 pounds
• Package Length: 21.59 inches
• Package Width: 6.7 inches
• Package Height: 6.95 inches
• Unit of Measure: Each
• Minimum Order Quantity: 100
• UPC: 076308896138

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100099269