835-389 Rev.3 This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Punching Production of 835-388 Rev.3 (Punching). Approximately 9.436 inch x 8.438 inch x 0.063 inch. Please see drawing for all specifications. P Series Camera Shim Part Part Number: 835-389 Rev.3 Material: Aluminium Material Grade: Technical Specifications Category:Punching Dimensions9.436 x 8.438 x 0.063 inch Annual Usage:10.0 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 Punching: Punching is a fabricating process in which a steel tool, called a punch, is forced into sheet metal, forcing it to compress or release into a bottom die. Forming punches compress the sheet metal into the shape of the bottom die to create the desired contour. Hole, slot and notch punches are used to cut holes in sheet metal by shearing the metal into a hollow die, where the excess metal drops to the bottom and is collected.