3M 7000028525 Radial Bristle Disc 3 Inch 80 Grit Ceramic

Product Description

The 3M 7000028525 is a Scotch-Brite SR Radial Bristle Disc designed for light seam sealant removal in automotive, aerospace, and industrial applications. The disc uses sharp ceramic plastic abrasive particles embedded in flexible, spring-like bristles that conform to irregular surfaces and contours. At 3 inches in diameter with an 80-grit ceramic abrasive and a curved profile, it delivers controlled cutting action without gouging or compromising the integrity of the substrate underneath. Licensed trades and production technicians use this disc where sealant must be cleared cleanly from bonded joints and panel seams.

This disc is suited for light-duty sealant removal on body panels, structural joints, and hard-to-reach seam areas in automotive body shops, aircraft MRO facilities, and general fabrication environments. Its small diameter and flexible bristle construction let technicians work in confined spaces where rigid abrasive discs cannot reach. The disc attaches to a straight grinder or right-angle grinder using a 3M 990 or 991 mandrel, sold separately. Each package includes 40 discs along with Roloc attachment accessories, including plastic Roloc buttons and holders.

Key Features

• Flexible spring-like bristles conform to curved and irregular substrate profiles
• Sharp ceramic abrasive particles remove light sealant without compromising part integrity
• Eliminates the need for chemical sealant-removing compounds
• Curved 3-inch disc profile reaches confined seam areas and tight spaces
• Compatible with straight and right-angle grinders via 3M 990 or 991 mandrel (sold separately)
• Includes 40 discs per package with Roloc plastic buttons and holders

Compatibility

Attaches to straight grinders or right-angle grinders using the 3M 990 or 991 mandrel, sold separately. Roloc-style attachment accessories are included in the package.

Installation Notes

Installation and use should be performed by qualified technicians familiar with rotary abrasive tooling. Verify grinder RPM rating meets or exceeds the disc rating before mounting. Power down and de-energize the grinder before attaching or removing the disc. Eye protection, gloves, and appropriate respiratory PPE should be worn during operation in accordance with shop safety protocols.

Technical Specifications

• Diameter: 3 inches
• Grit: 80
• Abrasive Material: Ceramic
• Profile: Curved
• Quantity per Package: 40 discs
• Package Length: 6.3 inches
• Package Width: 6.3 inches
• Package Height: 4.6 inches
• Weight: 0.025 pounds
• UPC: 00048011300986

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000028525