The CGW 42525 is a 5 inch diameter, 7/8 inch arbor Type 29 zirconia flap disc designed for aggressive stock removal on steel surfaces. This disc features premium zirconia alumina grain bonded to a durable poly/cotton backing, delivering a balance of material removal and a smoother finish. The zirconia concentration contributes to rapid grinding performance, making it suitable for heavy-duty applications where fast material removal is prioritized. An active grinding aid helps maintain cooler cutting with light pressure, which can improve wheel life and reduce workpiece heat buildup under typical grinding conditions.
Constructed for demanding use, this flap disc is intended to be mounted on appropriate grinders capable of handling 5" discs with a 7/8" arbor. The Type 29 configuration provides a flatter face for aggressive grinding angles and controlled material removal on flat or contoured surfaces. The specification notes a maximum operating speed of 12,200 RPM, which should be respected to ensure safe operation and to preserve disc integrity. The product is packaged with ten discs per box, suitable for shop-level stocking and replacement as part of routine metal finishing and deburring tasks.
When selecting this disc, consider the workpiece material, required finish, and grinder compatibility. Maintain appropriate pressure to leverage the cool-cutting benefits of the grinding aid and to extend disc life. Use with compatible 5" Type 29 flap discs on steel substrates, and follow standard grinder safety practices, including eye and face protection and securing the workpiece during operation.
Features:
- Premium Zirconia Alumina grain on poly/cotton backing for durability and finish
- High stock removal ideal for aggressive steel grinding
- Active grinding aid for cooler cutting with light pressure
- Type 29 configuration for versatile grinding angles
- 80-grit for balanced material removal and surface finish
- Zirconia concentration supports fast material removal
- Suitable for heavy-duty applications
- Grain:
- Zirconia
- Dia:
- 5
- Arbor/Shank Size:
- 7/8
- Type:
- 29
- Grit:
- 80
- RPM:
- 12200
- Package Size:
- Each
- Box Quantity:
- 10
