Flap Disc-4.5 Inch 115*22mm Zirconium corundum
4.5-inch Zirconium Corundum Flap Disc (115×22mm)
- Commodity name： Flap Disc-4.5 Inch 115*22mm Zirconium corundum
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- Product Description
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Product Introduction
This 4.5-inch Zirconium Corundum Flap Disc (115×22mm) is a rugged, high-performance abrasive tool designed for aggressive grinding and extended service life. Manufactured with premium Zirconium Corundum (Zirconia Alumina) abrasive grain, it features self-sharpening properties that maintain consistent cutting action even under high pressure and elevated temperatures.
Ideal for heavy-duty applications on stainless steel, carbon steel, and alloy metals, this flap disc delivers significantly longer life and faster material removal compared to standard Aluminum Oxide discs. The 4.5-inch size is the most popular diameter for portable angle grinders, offering excellent balance between maneuverability and grinding efficiency.
Specification Table
Parameter Details Product Name Zirconium Corundum Flap Disc Disc Diameter 4.5 Inch (115 mm) Arbor Hole 22 mm Abrasive Material Zirconium Corundum (Zirconia Alumina) Grit Available 40#, 60#, 80#, 120#, Other (upon request) Backing Material Fiberglass / Phenolic Resin Max. Operating Speed ≤ 13300 RPM Fits Angle Grinder With 22 mm arbor (standard for 4.5" grinders) Key Features Self-sharpening, heat resistant, long life Applications Stainless steel, carbon steel, alloy steel, cast iron Grit Selection Guide
Grit Recommended Use 40# Heavy stock removal, weld seam grinding, rough shaping 60# General grinding, deburring, rust removal 80# Medium finishing, surface preparation 120# Fine finishing, light blending, pre-polishing Other Custom grits available upon request Key Advantages (vs. Aluminum Oxide)
Feature Zirconium Corundum Aluminum Oxide Toughness High Medium Heat Resistance Excellent Good Tool Life Longer (2-3x) Standard Best For High-pressure grinding General purpose Ideal Disc Size 4.5" (115 mm) Any Common Applications
Weld grinding and blending on stainless steel
Heavy rust and mill scale removal
Surface preparation before welding or coating
Deburring castings and forgings
Edge chamfering and profiling
Metal fabrication, pipeline work, and shipbuilding
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