3M 7100199703 Stikita 321U Disc Roll 5 Inch 180 Grit

Product Description

The 3M 7100199703 is a Stikita 321U abrasive disc roll designed for paint preparation and body repair work in automotive refinishing environments. It combines a premium aluminum oxide mineral base with a ceramic grain blend to deliver consistent cutting action across a full range of sanding stages. The 5-inch diameter discs tear off one at a time without liners, and the anti-loading coating helps resist clogging from sanding dust and body filler debris. The adhesive-backed Stikita attachment system allows fast disc changes without tools. At 180 grit, this roll is suited for finish sanding and surface prep prior to primer or topcoat application.

This disc roll is used in automotive body shops and collision repair facilities for surface preparation, paint removal, and finishing work. The 5-inch format fits standard 5-inch random orbital and DA sanders commonly used in the refinishing trade. The 180 grit rating targets the final sanding steps before primer application, making it appropriate for technicians working through a full paint prep sequence from bare metal or filler to a paint-ready surface.

Key Features

• Ceramic and aluminum oxide mineral blend for balanced cutting performance and durability
• Anti-loading coating resists dust and debris buildup to extend disc life
• Stikita adhesive backing allows quick, tool-free disc attachment and removal
• Liner-free roll format lets discs tear off one at a time, reducing waste
• Upgraded resin bond improves disc durability and surface finish consistency
• 180 grit rating suited for finish sanding prior to primer or topcoat

Compatibility

Designed for use with 5-inch random orbital and dual-action sanders that accept adhesive-backed abrasive discs in automotive paint preparation and body repair applications.

Installation Notes

Disc rolls of this type are installed and serviced by automotive body technicians and refinishing professionals. Ensure the sander backing pad is clean and free of debris before attaching each disc to maintain proper adhesion. Power down the sander before changing discs. Follow shop ventilation and respiratory protection guidelines when sanding body filler or painted surfaces.

Technical Specifications

• Disc Diameter: 5 inches
• Grit: 180
• Mineral Type: Ceramic Aluminum Oxide
• Backing Material: Paper
• Attachment Type: Stikita Adhesive
• Unit of Measure: Roll
• Package Weight: 5.1 pounds
• Package Length: 9.96 inches
• Package Width: 6.76 inches
• Package Height: 6.95 inches
• Minimum Order Quantity: 5
• UPC: 051131362685

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100199703