I am looking at bifold door hardware and I am wondering if some of the hardware is made out of aluminum. Like for example 23-114, 23-112, 23-139, 23-135, 23-506. And I am wondering if this piece, 23-312 is made out of some sort of steel or not.
Paul from SWISCO responded:
June 24, 2016
Hello! All of the bifold door hardware you mentioned are made of steel.