3M-769F Fan Discs

• Delivers long-lasting performance and versatility
• Cuts faster and lasts longer than conventional abrasive grains thanks to 3M™ Precision Grain
• Proven to be more effective than conventional zirconia flap discs
• Individual flaps break down and release fresh abrasive to ensure consistent cutting speed throughout the disc’s life
• Ideal for use on carbon steel, stainless steel, and other heat-sensitive alloys

Performance without compromise! Tackle tough jobs with the 3M™ 769F Fan Disc, which is anything but ordinary. Featuring 3M precision-shaped grain, it offers a superb combination of performance and value. In addition, this disc delivers twice the removal rate and just as long a service life compared to conventional zirconia corundum grinding discs. A particularly precise finish can be achieved with 120+ grit. An excellent choice for working with structural and stainless steel.

The precision-shaped ceramic grain in the fan disc enables exceptionally high removal rates with less contact pressure. This abrasive grain forms triangular tips that cut through the metal rather than gouging or “plowing” through it like conventional abrasives. Fan discs are three-dimensional grinding discs consisting of overlapping, abrasive-coated, fiber-reinforced lamellae that fan out from a central hub. As the overlapping layers of lamellae wear down, lamellae with fresh abrasive mineral are continuously exposed. This enables fast and even grinding, and the padding of the lamellae produces a homogeneous surface finish. Under normal conditions, our fan discs produce a finish that is one grade finer than that of a fiber disc of the same quality. Their overlapping construction allows more abrasive material to be applied to the cutting surface, making them significantly superior to typical grinding discs. For this reason, our discs enable a significant increase in productivity during grinding operations. They perform two tasks in a single step—grinding and finishing—and can therefore replace bonded abrasive discs and fiber discs. They are a useful time- and cost-saving solution for a wide range of applications, especially where surface quality and cut resistance are critical. Our flap discs are designed for angle grinders.