1/4" Steel Plate, Disc Shaped, 8.50" Diameter, .250 A36 Steel $12.0 Material Steel - Mild Country/Region of Manufacture United States Brand Synergy Steel Designs condition New I am selling 1/4'' Steel Discs. A36 or better steel. Check out my other auctions - I can cut all sizes, shapes, and thickness of steel if needed. I would be happy to give you a quote. Please ask if you have any questions at all!