• Used for heavy-duty work such as cut off, cylindrical, centerless, and general purpose grinding
• Grinding for all carbon steels and cast irons except the hardest and most heat sensitive steels
• Tier: good
• Grit system: ANSI
• Applications: coarse/roughing, surfaceprep, drygrinding, portable, snagging

Norton® Gemini® 66243522221 Grinding Wheel, Type 1 Straight, Outside Diameter: 4 Inch, Thickness: 1/4 Inch, Arbor Hole / Thread Size: 3/8 Inch A.H., Grade: R (Hard), Grit: 24 (Coarse), Abrasive Type: Aluminum Oxide, Bond Type: Resin BRA, Max Speed: 15280 Rpm, Mounting: Arbor, Product / Materials Abraded: Carbon Steel/Cast Iron