3M Hookit Disc 366L; 9-hole pattern

The 3M™ Hookit™ Microfinishing Film Disc 366L, 30 Mic 3MIL, Type D, Config was developed to meet the highest demands for precision, efficiency, and surface quality. With a grit size of 30 microns, it enables controlled material removal and ensures uniform, fine sanding results. The robust 3MIL polyester backing film offers excellent stability and guarantees consistent performance even during intensive use.

The 3M™ Hookit™ hook-and-loop system ensures secure attachment and quick disc changes—ideal for work environments where efficiency and flexibility are critical. Thanks to the even grain distribution, the disc achieves a homogeneous sanding pattern and reduces rework, thereby optimizing production processes.

The 366L Microfinishing Film Disc is particularly suitable for fine-tuning finish work on metal, paint, or plastic surfaces. It is frequently used in the automotive, aerospace, and metalworking industries, where precision and repeatability are critical. Its long service life and consistent grinding quality make it an economical solution for professional users.