Colonial West Ruby Toolroom Surface Grinding Wheel, 7″ Dia. x 1/2″ Width, Hardness H, 46 Grit – T07427

• Excellent for grinding a variety of tool steels, better than pink grain on high chrome content and exotic alloy steels.
• Used in tool and die, mold grinding applications.
• Moderate to heavy stock removal .003-.005 per pass.
• Ruby in color aluminum oxide.
• Very durable, stays sharp, free cutting, and dissipates heat well.
• Better than Norton 32A in most applications.
• Hole Size: 1-1/4″
• Maximum Speed: 3,600 RPM
• Wheel Type: 01
• Grade: Medium

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