Bisco Tool Supply sells Grinding Wheels. These USA Abrasives 5"x1/4"x7/8" Flexovit Free Grind Depressed Center Grinding Wheel for Stainless Steel and Alloy Metals. Provides a Smooth and Fast Grind. Flexovit Industrial Abrasive Wheels. Made in the USA by Flexovit High Quality Industrial Abrasive Products. Sold in box quantities of 25.