... ISO9001:2008 & ISO14001:2000; minimum tolerance: +/-0.0001mm high alloy steel spline Specifications:1) Suitable for various automotive, electronic, telecommunications, ... as requirements6)Material: iron/aluminum, copper, alloy, carbon steel, 18CrMnTi,20CrMnTi,20Cr,20CrV,1045 steel, others optional7) Products range: standard component ... of over 1 million pieces per month. high alloy steel spline