• Long life (LL): where durability is needed due to severe application, and when horsepower of the grinder allows for heavy pressure
• 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

Norton® Gemini® 66252940098 Grinding Wheel, Type 27 Depressed Center, Outside Diameter: 7 Inch, Thickness: 1/4 Inch, Arbor Hole / Thread Size: 7/8 Inch A.H., Grit: 24 (Coarse), Abrasive Type: Aluminum Oxide, Bond Type: Resin, Max Speed: 8600 Rpm, Mounting: Arbor, Product / Materials Abraded: Metal/Stainless Steel