... service life XKS-350 Electro-spark Metal hardening machine, intensify tool Main specification: Weight:15KG Coating Thickness:60µm Max.degree ... casting molds,high-speed steel tools,fixtures,machinery..etc. Micro-reparing mechanical parts and components of micro repair Main function: 1 ... ¢3M510m12min¢5 XKS-350 Electro-spark metal hardening machine, intensify tool