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The 3M 7100122789 is a Hookit Purple Finishing Film Abrasive Disc in the 260L series, designed for fine surface preparation on clear coat and painted automotive or industrial finishes. At 6 inches in diameter with a P600 grit rating, this aluminum oxide disc cuts efficiently while leaving a consistent, easy-to-polish surface. The updated coating formulation actively reduces pigtail scratches and resists loading, extending usable disc life. The flexible film backing conforms to contoured surfaces. Installed via the Hookit attachment system, disc changes are fast without additional tools. Automotive refinish technicians and industrial finishing professionals are the primary users.
This disc is suited for fine finishing and defect leveling on clear coat, basecoat, and primer surfaces in both production and repair shop environments. The P600 grit rating positions it for intermediate to final finishing stages where scratch reduction and surface uniformity are critical before polishing. Available hole pattern designs support dust extraction systems, keeping the work area cleaner and extending abrasive life during extended finishing runs.
Designed for use with 3M Hookit backup pads and compatible 6-inch hook-and-loop disc holders used in automotive refinishing and industrial surface finishing applications.
Attachment to the backup pad requires a compatible Hookit hook-and-loop interface — confirm pad diameter and hole pattern match before use. Ensure the backing pad is in good condition and free of debris before seating the disc to maintain proper adhesion and prevent disc separation during operation. Follow shop safety protocols including eye protection and dust extraction when operating power sanders.
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