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 |
Pre-Sales Service
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.
5. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
6. After Sale Services
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time
c. Free replacement will provide once the failure confirmed caused by our product quality
7.Package and shipping
Packing : DTH DHD hammer will pack in cardboard and plywood case.
Shipping : DTH DHD hammer will ship by sea , by air , by Express , etc
