... & ISO14001:2000; minimum tolerance: +/-0.0001mm high alloy steel spline Specifications:1) Suitable for various automotive, electronic, ... )Material: iron/aluminum, copper, alloy, carbon steel, 18CrMnTi,20CrMnTi,20Cr,20CrV,1045 steel, others optional7) Products range: ... Steel products, Pins made of Iron, Copper and Aluminum, and so on, with an output of over 1 million pieces per month. high alloy steel ...