• 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
• Triple-reinforced for grinding steel and dirty/scale-covered castings, removing and cleaning gates and risers
• Tier: better

Norton® BlueFire 66252915526 Grinding Wheel, Type 27 Depressed Center, Outside Diameter: 7 Inch, Thickness: 1/8 Inch, Arbor Hole / Thread Size: 7/8 Inch A.H., Abrasive Type: Zirconia Alumina/Silicon Carbide, Max Speed: 8600 Rpm, Mounting: Arbor, Product / Materials Abraded: Foundry Metal