142245 This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Milling Production of a Storm Threshold Lock Plate (Milling). Approximately 4.25 inch x 2.0 inch x 0.5 inch. Please see drawing for all specifications. Storm Threshold Lock Plate - Zinc Plated. Part Part Number: 1285531077366 Material: Carbon Steel Material Grade: Technical Specifications Category:Milling Dimensions4.25 x 2.0 x 0.5 inch Tolerance:0.005Annual Usage:15.0 Are you looking for suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) to provide manufacturing services for machine tool industry, automotive industry? For more information visit MFG.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your online quoting experience Milling: Milling, CNC milling, 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. A machine tool used to perform milling is called a milling machine or the CNC version is often referred to as a machining center. Milling can be performed manually or under CNC control called CNC milling. Milling and CNC milling are performed by machine shops.