iron alloy stamping sewing machine thread seat 1.Material:iron alloy,alloy steel 2.Size:custom 3.Precise Stamping Part iron alloy stamping sewing machine thread seat1.Precise Stamping Part 2.Cheap Metal Stamping Part 3.CNC Machining Part 4.Custom Stamping Part 5.Material available : iron, carbon steel, stainless steel, brass, aluminum,copper, alloy steel, cold rolled steel, etc 6.Advanced ...