If you've wondered what a threaded rod is, this article will explain everything you need to know. A threaded rod is a fastening material that can be used in many industries. They are used to join ...

D36X50DR Series ll features a rod-in-rod design that provides 1,500 ft.-lb. of rotational torque. As the inner rod powers the downhole tri-cone, the outer rod provides steering and backreaming ...