... ,Name: Carbon steel stamping part with black oxide coating;Carbon steel stamping part;Stamping part with balck oxide coating 2,For the similar stamping ... dip galvanizing,etc Flame plating Light oil,spray coating,electrophoretic coating,etc Polishing Grinding and polishing,etc,except mirror finish (3 ... fastener ,especially the cutting/turning parts. Carbon steel stamping part with black oxide coating