Designed for heavy-duty applications, these plastic backing flap discs feature a robust zirconia material that ensures fast and long-lasting grinding performance. With a size of 4-1/2 inches and a 5/8-11 internal thread, these discs are optimized for aggressive cutting action, making them ideal for tackling hard-to-grind materials such as steel. Each box contains ten discs, each with a grit rating of 40, providing excellent efficiency and durability thanks to their hybrid compact design that enhances edge strength and prolongs service life. Whether you’re in a professional workshop or tackling a DIY project, these flap discs are engineered to meet the demands of rigorous grinding tasks.
Features
- C3 (Ceramic) has 20% more material than regular flap discs.
- Z3 (Zirconia) has 20% more material than regular flap disc.
- Hybrid compact design (4-1/2″, 5″ and 6″) – Flaps are compressed and compacted at a 4 degree angle for edge strength and longer life.
- C3 (Ceramic) for aggressive cutting action. Self-sharpening ceramic grain and cool grinding aid. Ideal for hard-to-grind materials including steel and other heat sensitive materials.
- Z3 (Zirconia) for fast, long-lasting grinding. Ideal for heavy-duty applications.
Specifications
- Size : 4-1/2 x 5/8-11
- Grit : 40
- RPM : 13,300
- Material : Zirconia
- Box Quantity : 10