Silver Cap This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Coining Stamping of cap. Approx. 0.312" Dia x .080" Thick Sterling Silver Cap. Will be used in plasma cutter application. Part Part Number: 11111111 Material: Alloy Steel Material Grade: Technical Specifications Category:Coining Dimensions0.0 x 0.0 inch Annual Usage:6000.0 The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services and are members of the MFG.com community. For more information visit http://www.mfg.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your 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.