3M 7100141921 Scotch-brite 7 Inch Surface Conditioning Disc

Product Description

The 3M 7100141921 is a Scotch-Brite surface conditioning disc designed for right-angle grinder use with a hook-and-loop attachment system. Built from durable non-woven fiber construction, the disc conforms to irregular and contoured surfaces without gouging or undercutting the base material. At 7 inches in diameter, it is suited for cleaning, blending, deburring, and finishing operations across a range of substrates. The open web construction runs cool and resists loading, extending disc life during prolonged use. Trade professionals in metal fabrication, HVAC sheet metal work, and plumbing rough-in rely on this disc for controlled surface conditioning without altering base material dimensions.

This disc is designed for use with right-angle grinders equipped with a compatible hook-and-loop backing pad. It performs across metal, composite, plastics, and other common trade materials. The hook-and-loop system allows fast disc changes during multi-step finishing processes, making it practical for job-site or shop use where multiple grits or disc types are cycled through in sequence. It is especially useful in situations requiring surface prep on curved or irregular workpieces where rigid abrasives would cause uneven material removal.

Key Features

• Non-woven fiber construction conforms to contoured and irregular surfaces without undercutting
• Open web material runs cool and resists loading for extended service life
• Hook-and-loop attachment enables fast disc changes in multi-step finishing workflows
• Suitable for cleaning, blending, deburring, and finishing on metal, composites, and plastics
• Right-angle grinder compatible with standard 7-inch hook-and-loop backing pads

Compatibility

Designed for use with right-angle grinders fitted with a 7-inch hook-and-loop backing pad. Suitable for metal, composite, plastic, and other common substrate materials.

Installation Notes

Installation and disc changes should be performed with the grinder powered off and unplugged or battery removed. Verify the backing pad thread and disc diameter match before mounting. Inspect the disc for damage before each use and do not exceed the maximum RPM rating of the grinder or disc. Wear appropriate PPE including eye protection and gloves during operation.

Technical Specifications

• Diameter: 7 inches
• Attachment Type: Hook and Loop
• Construction: Non-Woven Fiber
• Abrasive Material: Aluminum Oxide
• Application: Right Angle Grinder
• Package Dimensions: 8.6 x 8.6 x 4.1 inches
• Weight: 0.12 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 10

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100141921