Stainless steel threaded inserts also have a number of advantages in certain situations. They have excellent resistance to a number of acids and petroleum products. Depending on grade and alloy, they can be stronger than brass inserts. Stainless steel that is FDA approved is preferred in food and beverage applications to reduce the risk of contamination from other sources. Stainless steel that comes from an authentic source could also have a higher service temperature than brass inserts. Pick this one from online shopping portal tappexinserts.com.