From WLA to WLP, Parallel Threaded Drill Rods, DCDMA sizes AW-HW, and Metric sizes 42mm to 90mm, tapered threaded drill rods, DCDMA sizes AWY to NWY, AWJ, BWJ and S75 drill rods. Specification: 1. Our drill rods are of the highest quality ,are manufactured to exacting specifications using advancing maching technoogy. 2. They are manufactured from seamless steel tube by cold drawn.The material is XJY850/30CrMnSiA which meets the global standard. 3. Drill rods are made from quality heat treated materials which ensure superior strength, wear resistance and toughness in the most demanding applications. 4. Rods and casing are manufactured under stringent industry standards, and are field tested under a variety of conditions. 5. All rods are designed to be compatible with other rods manufactured to the standard DCDMA.
