We are specialized in producing carbon steel stud ends threaded equally black oxide finish factory。 Also known simply as a stud, a threaded rod is a metal fastener — typically made of carbon steel or stainless steel— that’s characterized by the presence of threading on both ends. Depending on the specific type of threaded rod, the threading may extend just partially, or it may extend all the way. Regardless, all threaded rods feature threading on both ends, making it particularly useful in applications where tension is applied.