The CGW 42572 5" X 5/8"-11 Type 29 40-Grit XL Z3 Zirconia Flap Disc is designed for aggressive stock removal on steel surfaces. This flap disc combines premium zirconia alumina grain with a durable poly/cotton backing to provide both fast material removal and a reasonable finish. The zirconia concentration supports more aggressive grinding actions, which is beneficial for heavy-duty applications where material removal rate is a priority. The XL Z3 designation indicates a longer-life or extended grind surface, which can translate to more usable discs per wheel and reduced downtime in demanding environments.
Construction features include zirconia grain bonded to a poly/cotton backing that supports improved durability under heavy use while maintaining a workable finish. An active grinding aid is included to help maintain cooler cutting temperatures under light pressure, contributing to reduced heat buildup during extended grinding sessions. This can be advantageous when working on steel where heat management matters for tool life and surface integrity. The disc is sized for a 5" wheel with a 5/8"-11 arbor, Type 29 profile, and a 40-grit specification, providing a balance of aggressive stock removal and a workable surface finish suited for cleaning, deburring, and pre-finishing tasks on metal.
Practical considerations include using the disc at appropriate speeds and applying steady, light pressure to leverage the cooling benefits of the grinding aid. The product is packaged with 10 discs per box, suitable for inventory planning in shops requiring ready access to multiple discs for high-demand metalworking tasks. When selecting tooling, confirm compatibility with standard 5" flap discs and ensure the arbor and mounting surface match the 5/8"-11 thread. The combination of zirconia grain and Z3 formulation supports robust performance for heavy-duty steel applications while keeping user-driven heat management in mind.
Features:
- Premium Zirconia Alumina grain on poly/cotton backing for durability and finish
- High stock removal with Zirconia concentration
- Fastest stock removal in steel applications in its class
- Active grinding aid for cool cutting under light pressure
- 5" diameter, 5/8-11" arbor, Type 29, 40-grit
- XL design for extended life in aggressive, heavy-duty use
- Grain:
- Zirconia
- Dia:
- 5
- Arbor/Shank Size:
- 5/8-11
- Type:
- 29
- Grit:
- 40
- RPM:
- 12200
- Package Size:
- Each
- Box Quantity:
- 10
