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The 3M 7000120388 is a coated abrasive film disc designed for high-finish auto body sanding applications. Built on a tear-resistant film backing, this disc uses aluminum oxide mineral to deliver a fast cut and consistent finish across the sanding surface. At P600 grit, it targets fine finishing work including blending, scuffing, paint prep, and removal of minor paint defects. The Hookit attachment system allows fast disc changes and supports disc reuse, reducing downtime during production work. This disc measures 5 inches in diameter and ships in box quantities with a minimum order of 4 units.
This disc is suited for automotive refinishing environments where consistent surface preparation is critical before topcoat application. It is commonly used by auto body technicians and refinishing professionals on body panels, clear coat, and primer surfaces. The aluminum oxide abrasive cuts aggressively relative to its fine grit classification, making it a practical choice for blending spot repairs and featheredging. The durable film backing resists tearing even under moderate pressure, extending disc life compared to paper-backed alternatives.
Designed for use with Hookit-style backup pads accepting 5-inch coated abrasive film discs in automotive refinishing and surface preparation applications.
Installation is performed by auto body technicians using a compatible Hookit backup pad mounted to a random orbital or orbital sander. Verify the backup pad diameter and hole pattern match the disc before use. Inspect the disc surface before each use and discard any disc showing tears, loading, or loss of abrasive. Keep the work surface and disc free of contamination to maintain finish quality.
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