... P20,718,2738,etc 3.Base:LKM,HASCO 4.Cavity:Single/Multi two stages gear mold Specifications:1) Suitable for various automotive ... hardening, carbonadoing, others optional can be as requirements6)Material: iron/aluminum, copper, alloy, carbon steel, 18CrMnTi,20CrMnTi,20Cr,20CrV,1045 steel ... precise Stainless Steel products, Pins made of Iron, Copper and Aluminum, and so on, with an output of over 1 ...