round stamping parts 1. material:steel 2. Processing: stamping, punching,bending 3.Size:nonstandard 4.OEM round stamping parts1. Materials: ... stainless steel, aluminum, brass ,etc 2. Porcessing: Stamping, punching, bending, welding, threading, grinding ,milling, machining, ... -inhibiting oils, Electrophoresis, Paints and primers, blacking, etc 5. Industry:these parts are used in Automotive, Electrical ...