Product Characteristic High insulating resistance Super anti-abrasive capability Anti-oxidation at high temperature Anti-thermal shock 1.DIP material is researched & developed by our own company, and it is similar to KCF material,which is widely prompted to many countries in Southeast Asia，America, Europe and so on.DIP material has been accepted and approved by worldwide customers . 2.KCF(DIP) guide pins/bushings are usually used in Spot/ projection welding machines to weld nuts&studs ,especially in auto industry,and it is used in automotive body welding to locate nuts and bolts exactly to panels: 3.Product Characteristic:High insulating resistance ,Super anti-abrasive capability,and Anti-oxidation at high temperature&Anti-thermal shock. 4.Each guide pin could weld 8000~10000pcs nuts/studs. 5.Compared with KCF material, DIP material is quality guaranteed,low cost and short lead time(usually 7 workdays after full payment.) 6.We could provide free samples to new customers for trial. 7.We could also offer DIP(KCF) alloy rods for your doing self-machining.