... face);MFM(male and female face)Facing Methodrust preventing oil, spray paint (black, yellow), hot galvanization, cold galvanization or colored electroplate, powder ... , 1.4404JIS B2220 FALNGE Design: SOP, BIND, SOH, Pressure: 1K, 2K, 5K, 10K, 16K, 20K, 30K, 40KOur products :carbon steel ,alloy ...