... 3.Material: AISI304, AISI304L, AISI316L Product name:sanitary stainless steel blind nut(sanitary blind,blind nut,cap nut)Standard:DIN, SMS, ISO, 3AMaterial ... :EPDM,silicone14)Certificate:ISO9001:200815)OEM is welcome. Main Products: Sanitary Butterfly Valve, Sanitary Union, stainless steel pipe fitting ect. Sanitary end cap