3M 7000120803 Abrasive Disc 7 Inch Coarse Se-dh Series

Product Description

The 3M 7000120803 is a Scotch-Brite SE Surface Conditioning Disc designed for heavy-duty deburring, blending, and finishing on metal and wood substrates. The disc measures 7 inches in diameter and uses aluminum oxide abrasive bonded into a non-woven nylon fiber construction. Aluminum oxide is a self-fracturing mineral, meaning it continuously exposes fresh cutting edges during use rather than dulling like conventional abrasives. The open-web fiber matrix runs cool and resists loading, maintaining consistent cut performance through the life of the disc. A hook and loop attachment system allows fast disc changes on compatible backing pads.

This disc is rated Coarse grade and is suited for aggressive material removal tasks including deburring, edge blending, and surface preparation on ferrous and non-ferrous metals as well as wood. The non-woven construction conforms to irregular, contoured, and profiled surfaces, making it a practical choice for work where a rigid bonded abrasive would skip or gouge. It is commonly used by metalworkers, fabricators, and finishing technicians in both production shop and field service environments where consistent surface results are required across multiple passes.

Key Features

• Aluminum oxide abrasive self-fractures to continuously expose sharp cutting edges
• Non-woven fiber construction conforms to contoured and irregular surfaces
• Open-web material resists loading and runs cool to extend disc life
• Hook and loop attachment for fast, tool-free disc changes
• Coarse grade for aggressive deburring and heavy surface conditioning
• Suitable for ferrous alloys, non-ferrous metals, and woodworking applications

Compatibility

Designed for use with hook and loop backing pads compatible with 7-inch diameter discs in the Scotch-Brite SE-DH series format.

Installation Notes

Installation is performed by attaching the disc to a compatible hook and loop backing pad mounted on a right-angle grinder or random orbital tool. Confirm the tool RPM rating meets or exceeds the disc maximum speed before operation. Inspect the backing pad for wear or debris that could cause uneven disc seating. Always wear appropriate eye and face protection and ensure workpieces are secured before beginning surface conditioning work.

Technical Specifications

• Diameter: 7 inches
• Abrasive Mineral: Aluminum Oxide
• Grade: Coarse
• Construction: Non-woven nylon fiber
• Attachment Type: Hook and Loop
• Series: SE-DH

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000120803