Jinzhou City Shitan Machinery Equipment CO. LTD.
Jinzhou City Shitan Machinery Equipment CO. LTD Drilling Rig / Drill Rod / Drill Bit / Track Transporter / Drilling Mud Pump
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I. Specification
Thread R25, R28, R32 rock drill rod;
length 0.5-7m (it can be customized)
Other drill rod: H22x108, T35, T48, T51, etc.available
Technical Parameter
| No. | Diameter | Length | Form of screw-thread | Production technology | Male and female connect |
| 1 | 34mm | 500-300mm | Taper thread | Friction welding | Male and female connect |
| 2 | 42mm | 500-300mm | Taper thread | Friction welding | Male and female connect |
| 3 | 50mm | 500-300mm | Taper thread | Friction welding | Male and female connect |
| 4 | 63.5mm | 500-300mm | Taper thread | Friction welding | Male and female connect |
| 5 | 73mm | 500-300mm | Taper thread | Friction welding | Male and female connect |
| 6 | 89mm | 500-300mm | Taper thread | Friction welding | Male and female connect |
| 7 | 35mm | 500-300mm | Taper thread | Ontology threading | Joint connect |
| 8 | 42mm | 500-300mm | Taper thread | Ontology threading | Joint connect |
| 9 | 50mm | 500-300mm | Taper thread | Ontology threading | Joint connect |
| 10 | 60mm | 500-300mm | Taper thread | Ontology threading | Joint connect |
