3M 7100138172 Bristle Disc 80 Grit 1 Inch Ceramic Ao

Product Description

The 3M 7100138172 is a Scotch-Brite Roloc Bristle Disc designed for surface preparation tasks including stripping, deburring, blending, finishing, polishing, cleaning, and coating removal. The disc measures 1 inch in diameter and uses 80 grit ceramic abrasive grain blended with aluminum oxide, molded directly into flexible bristles. Unlike wire brushes, the filled bristles maintain abrasive properties throughout the full service life of the disc. This tool is used by metal fabricators, HVAC technicians, pipe fitters, and other trade professionals working on metal surfaces that require consistent surface prep without aggressive material removal.

The 7100138172 is suited for both flat and contoured surfaces in residential and commercial applications. The flexible bristle construction allows the disc to conform to irregular geometries, producing consistent finishes on complex parts. It is well-suited for pre-weld prep, post-weld blending, paint and coating removal, and light deburring on metal pipe, fittings, sheet metal, and structural components. The Roloc attachment system allows quick disc changes when working through multi-step finishing processes, reducing downtime between grits or disc types.

Key Features

• 80 grit ceramic abrasive grain blended with aluminum oxide for consistent cut throughout disc life
• Flexible molded bristles conform to contours and complex part geometry
• Bristle spacing optimized for coating removal and high-loading applications
• Retains abrasive properties until end of disc life, unlike wire brushes that shed and dull
• Roloc quick-change attachment system for fast disc swaps in multi-step finishing workflows

Compatibility

Designed for use with Roloc-compatible right-angle grinders and die grinders that accept 1 inch quick-change disc mandrels.

Installation Notes

Installation and disc changes should be performed with the tool unplugged or air supply disconnected. Verify the mandrel is rated for the operating speed of the grinder before mounting the disc. Eye protection and appropriate PPE are required during use. Discs should be inspected for bristle damage before each use and replaced if bristles are significantly worn or deformed.

Technical Specifications

• Disc Diameter: 1 inch
• Grit: 80
• Abrasive Material: Ceramic Aluminum Oxide
• Attachment Type: Roloc Quick-Change
• Package Dimensions: 6.56 x 6.56 x 3.63 inches
• Weight: 0.9 pounds
• Minimum Order Quantity: 4
• UPC: 051131075318

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100138172