• Type 27 wheels are essentially straight wheels that have a "depressed center/raised hub"
• Different types of fiberglass reinforcement mesh give the product stability for use on the periphery, on the face, or a combination of the two
• For heavy-duty to light grinding on the bottom/face of the wheel
• Tier: good
• Old part number: NOR66252830433

Norton® Gemini® 66252842031 Grinding Wheel, Type 27 Depressed Center, Outside Diameter: 4-1/2 Inch, Thickness: 1/4 Inch, Arbor Hole / Thread Size: 5/8-11 Thread, Grit: 46 (Medium), Abrasive Type: Aluminum Oxide, Max Speed: 13580 Rpm, Mounting: Threaded, Product / Materials Abraded: Aluminum