Adapter Ring This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Milling & Turning Production of a ring. Approximately 4.50" OD x 0.663" high. Please see drawing for complete dimensions. Part Part Number: 002 Material: Aluminium Material Grade: 6061 Technical Specifications Category:Milling & Turning Dimensions16.8402 x 114.3 inch Annual Usage:2.0 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. Milling & Turning: Milling and Turning, or CNC milling and turning will fall in this process, or manual milling is the process used to produce prismatic components. A rotating cylindrical cutter with multiple flutes, commonly called an endmill, traverses along multiple axes to machine features such as slots, pockets and profiles. Turning, CNC turning, or manual turning is the process used to produce cylindrical components. A cylindrical piece of stock is rotated and a cutting tool is traversed along 2 axes of motion to produce precise diameters and depths.