3M Hookit Discs 366L

The 3M™ Hookit™ Microfinishing Film Disc 366L, 30 Mic 3MIL, Type D, Config offers maximum precision, efficiency, and consistent sanding results for industrial applications. With its 30-micron grit size, it is ideally suited for fine grinding and finishing work where controlled material removal and a clean surface finish are required.

The sturdy 3MIL polyester backing ensures excellent dimensional stability and consistent grinding quality—even during extended use and at high speeds. Thanks to the precise grain distribution, the disc delivers a uniform grinding pattern, reduces rework, and enables consistent results throughout the entire machining process.

The proven 3M™ Hookit™ hook-and-loop system allows for quick and secure disc changes. This makes work processes more efficient and minimizes downtime. Whether in metalworking, automotive manufacturing, or the finishing of painted and plastic surfaces—the 366L microfinishing film disc impresses with its reliability, durability, and consistent quality.