HOW TO READ A GRINDING WHEEL Grain Types
A- Dark Aluminum Oxide – Most common grain. Used for Heavy Duty General Purpose AS3- 20% Ceramic Aluminum Oxide, 30% Pink Grain, 50% White Grain. Excellent for form and corner holding. AZ- Blue Aluminum Oxide- Grinds fast with excellent cool cutting action and requires minimal dressing. RA- Red Aluminum Oxide (Ruby)- Harder grain and sharper than PA & AZ wheels good for steels with high level chromium PA- Pink Aluminum Oxide- General Purpose Grain that is tough but friable. Tool Room sharpening applications. WA- White Aluminum Oxide- Highly friable grain for fast cool cutting. Good for light grinding on all steels particularly on tool and die steels. GC- Green Silicon Carbide- very friable use for carbide grinding applications. As for grinding wheel supplier , Welcome to contact with us at anytime. Our Support Service is always available 24 hours a day, 7 days a week to help you create your own business solution. http://www.sennight-trade.com/ EMAIL: cecili...