3M Hookit Discs 366L

The 3M™ Hookit™ Microfinishing Film Disc 366L, 30 Mic 3MIL, Type D, Config was developed to achieve precise and consistent sanding results in demanding industrial applications. With its 30-micron grit, it enables controlled material removal and ensures a clean, uniform finish with excellent surface quality.

The durable 3MIL polyester backing ensures stability, dimensional stability, and consistent performance throughout its entire service life. The high-quality abrasive grain ensures a constant removal rate, reducing rework and making work processes more efficient.

The proven 3M™ Hookit™ hook-and-loop system enables quick, secure, and tool-free attachment or replacement of the sanding discs. This makes the 3M™ 366L ideal for applications where flexibility and efficiency are required. It delivers reliable results, particularly in automotive, metal, and plastics processing—from surface preparation to fine sanding.

Thanks to its long service life and consistent performance, this sanding disc is the perfect choice for professional users who value precision, cost-effectiveness, and reproducible results.