IM Disc This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Coining Production of a disc. Flat disc 3" Diameter with alphanumeric stampings and 1/2" cut thru center. Please see drawing for specific dimensions. Part Part Number: IM DISC Material: Alloy Steel Material Grade: Technical Specifications Category:Coining Dimensions0.0 x 0.0 inch Annual Usage:500.0 The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services for the machine tool industry, automotive industry… For more information visit www.MFG.com. MFG.com analyzes all engineered parts and RFQs for improved manufacturability and to ensure quality and a quick quoting experience. Coining: Coining is a stamping process in which the metal is compressed in a closed die. The punch compression forces the metal to conform to the shape of the top and bottom die. This process is commonly used to produce coins, medallions, tokens and labels.