... -corrosion 2.eco-friendly 3.size:12x23 4.DIN JIS adjustable axis Specifications:1) Suitable for various automotive, electronic, telecommunications, mechanical ... steel, 18CrMnTi,20CrMnTi,20Cr,20CrV,1045 steel, others optional7) Products range: standard component or non-standard component. Feature: ISO9001:2008 & ISO14001 ... , with an output of over 1 million pieces per month. adjustable axis