3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case » Alloy Coating Supply®
Amazon.com: MIDO Professional Abrasive 10 Pack Cut Off Wheels 9 Inch Cutting Wheel 9” x .075” x 7/8” Metal&Stainless Steel Cutting Disc Fit for Angle Grinder : Industrial & Scientific