Retainer Disk This RFQ was sourced on www.MFG.com in USA for Electric Discharge Stainless Steel Retainer Disk Material Certifications Required Quality Assurance Documentation Required. Buyer Information Industry City/Region Lititz, Pennsylvania Country USA RFQ RFQ Number 306826 Material Technical Specifications Category Electric Discharge Dimensions 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 Electric Discharge: The sinker EDM process utilizes an electrically charged electrode (EDM electrode) that is configured to a specific geometry to burn the geometry of the electrode into a metal (conductive) component. The sinker EDM process is commonly used in the production of dies and molds. Sinker EDM machining is typically performed by machine shops.