Drill Rod for Core Drilling Rig - Hanfa Group
2021-7-24 · Drill Rod for Core Drilling Rig. Drill rod is a steel pipe with screw at the end, which is used to connect the surface equipment of drilling rig and grinding equipment or bottom hole device at the bottom of the drilling well. Drill rod is mainly used for delivering the drilling mud to drill bit, then raise, lower or rotate the bottom hole device with the drill bit.
Get Price