Lapped Plate This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Lapping Production of a milled and lapped plate. Approximately 155mm x 142mm x 77.50mm. Each plate will have two milled flatbottom pockets 4.0 deep. Break all edges to be burr free. Plates will need to be anodizes with a clear hard finish .002 to .004 thick. Parallelism and flatness is very critical. Part Part Number: JD-1211-08 Material: Aluminium Material Grade: Technical Specifications Category:Lapping Dimensions155.0 x 142.0 x 7.7 inch Tolerance:0.002Annual Usage:300.0 Get quotes online for manufacturing services at MFG.com from machine shops, fabricators, job shops and contract manufacturers. MFG.com connects buyers and suppliers when the buyer has a need and the supplier has the right expertise and capacity. MFG.com analyzes all engineered parts and RFQs for improved manufacturability and to ensure quality and a quick quoting experience. Lapping: Lapping is a finishing process used to refine surfaces by making very flat surfaces very fine finishes. Lapping uses loose abrasives suspended in a fluid. In the lapping process, parts are processed between large flat plates or platens. Lapped surface finishes are measured in microns and nanometers.