1.Size: DN15-DN125 2.Standards: DIN, SMS, ISO, 3A 3.Material: AISI304, AISI304L, AISI316L 4.CNC Machined and finished. Product name:sanitary cap(sanitary blind,blind nut,cap nut)Standard:DIN, SMS, ISO, 3AMaterial:AISI304, AISI304L, AISI316L1)t applies to fields such as food,mechine,diary products,beer,beverage,fine chemical and etc.2)polish:mirror polish,dull polish,sub-light,240G,320G,400G, ...