A2236 Flexovit USA Made Depressed Center Type 27 Grinding Wheels for Metal and Stainless Steel. Grinding Wheels - USA Abrasives 5"x1/4"x7/8" Flexovit Fast Grind Depressed Center Grinding Wheel for Metal, Stainless. Flexovit Industrial Abrasive Wheels. Made in the USA by Flexovit High Quality Industrial Abrasive Products. Sold in box quantities of 25. High Performance Grinding Wheels offer High Productivity, Versability, and Durability. A30S - Fast Grind offers Agressive grinding with a good wheel life. Ideal for most metals, including stainless and other hard alloys. An excellent "all purpose" spec.