This article was updated May 25, 2023. It was originally published Nov. 17, 2009. To put hard, durable threaded holes in plastics, engineers often specify threaded metal inserts that will securely ...

The stainless-steel couplings are made with a highly chemical- resistant elastomer element press fit between precision-mounted coupling halves, which make for no backlash and guaranteed concentricity.

Stainless steel 304 has excellent corrosion resistance in a wide variety of environments and when in contact with different corrosive media. Pitting and crevice corrosion can occur in environments ...