POLO MZ#80 4-inch (100 mm) Grit 80 Rigid Metal-Hub Flap Disc for Steel and Stainless Steel

Rigid back flap disc, metal backing POLO MZ#80 size 4 inches (100 mm) grit 80 for grinding steel and stainless steel
A flap disc designed to increase material removal efficiency and speed. The base is made of iron (Iron Backing), which provides excellent strength and stability during high-speed rotation. The abrasive grain is a blend of Aluminum Oxide and Zirconium Oxide, providing good heat dissipation, resists burning, and offers a longer service life than conventional sandpaper.

Features
- Zirconium Grain: Special blended abrasive grain, sharp and highly fracture-resistant, enabling fast material removal
- Metal Backing: Iron backing helps the disc maintain its shape under workpiece pressure, reducing vibration during use
- Heat Dissipation: Dissipates accumulated heat well, preventing workpiece burn marks or discoloration
- High Performance: Withstands impact and angular grinding better than plastic or fiberglass backings

Applications
- Used for deburring and weld seam removal
- Surface blending and smoothing workpieces prior to painting
- Suitable for all metal types, especially steel and stainless steel
- Compatible with standard 4-inch angle grinders

Specifications
- Grit: No. 80 (MZ#80)
- Diameter: 4 inches (100 mm)
- Arbor hole diameter: 5/8 inch (16 mm)
- Max speed: 15,300 RPM
- Linear speed: 80 m/s
- Abrasive material: Aluminum Oxide blended with Zirconium Oxide