steel shaft for electronics 1.Max. precision 0.005mm 2.Mainly offer to Japan 3.Delivery on time OEM available Shenzhen Mechanic Industrial Co., Ltd. Material: carbon steel, stainless steel, aluminum, brass, gray cast iron, nodular cast iron, or according to customer request. Equipments list: CNC machine, machining center, grinding machine, automatic lathe machine, conventional lathe machine, ...