Norton 66253370803 7" x 1/4" Type 28 Depressed Center Grinding Wheel

The Norton 66253370803 is a high-performance 7-inch depressed center grinding wheel featuring Norton's advanced Quantum3 grain technology. This Type 28 wheel is designed for aggressive stock removal and fast grinding on metal surfaces.

Key Specifications:

• Diameter: 7 inches
• Thickness: 1/4 inch
• Arbor: 5/8"-11 threaded hub
• Type 28 depressed center design for optimal grinding angle
• SG Quantum3 ceramic alumina grain for superior cutting performance
• Maximum RPM: 8,500

Features and Benefits:

• Quantum3 grain technology provides up to 3 times longer life compared to conventional aluminum oxide wheels
• Self-sharpening ceramic grain maintains consistent cut rate throughout wheel life
• Aggressive material removal for faster grinding and reduced operator fatigue
• Cooler cutting action reduces heat buildup and workpiece discoloration
• Ideal for grinding steel, stainless steel, and other ferrous metals
• Threaded 5/8"-11 hub fits directly onto angle grinders without additional flanges

This grinding wheel is designed for use with angle grinders and is suitable for weld grinding, surface preparation, edge grinding, and general metalworking applications.