3M 7000047073 Surface Conditioning Disc 4.5 in Very Fine

Product Description

The 3M 7000047073 is a Standard Abrasives Surface Conditioning RC Disc designed for deburring, blending, cleaning, and finishing on composites and soft metals. The disc uses Aluminum Oxide abrasive bonded to an RC (non-woven) substrate, which combines edge durability with enough flexibility to conform to workpiece contours. It is rated for operation up to 8,000 RPM and features a Hook and Loop attachment system for fast disc changes on compatible angle grinders and disc sanders. Metalworkers, fabricators, and finishing technicians use this disc where a consistent, controlled cut rate is needed across extended run time.

This disc is suited for general surface preparation work at average pressure on flat or mildly contoured surfaces. Typical applications include blending weld seams, removing coatings, light deburring of edges, and final finishing passes on aluminum, fiberglass, and other soft or composite materials. The Very Fine grade makes it appropriate for finishing and blending stages rather than aggressive stock removal. The RC non-woven construction resists loading, which extends usable disc life on soft metals that tend to clog conventional abrasive media.

Key Features

• Aluminum Oxide abrasive on RC non-woven substrate for good initial and extended cut rate
• High edge durability with flexible construction that conforms to surface contours
• Hook and Loop attachment for quick disc changes without tools
• Very Fine grade suited for blending, coating removal, and finishing stages
• Resists loading on composites and soft metals for extended disc life
• Rated to 8,000 RPM for use with standard angle grinders and disc sanders

Compatibility

Designed for use with Hook and Loop angle grinder backup pads and disc sanders accepting 4.5-inch diameter surface conditioning discs. Best suited for composites and soft metals including aluminum and fiberglass.

Installation Notes

Installation and disc changes should be performed with the tool unplugged or the power source isolated. Verify the tool spindle speed does not exceed the 8,000 RPM disc rating before mounting. Inspect the Hook and Loop backing pad for wear before attaching the disc, as a worn pad reduces secure engagement. Personal protective equipment including eye protection and gloves is required during operation per standard shop safety practice.

Technical Specifications

• Diameter: 4.5 inches
• Abrasive Material: Aluminum Oxide
• Substrate: RC Non-Woven
• Grade: Very Fine
• Max Speed: 8,000 RPM
• Attachment Type: Hook and Loop
• Package Dimensions: 12.38 x 12.38 x 5.75 inches
• Package Weight: 4.445 pounds
• UOM: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000047073