- Place of Origin : Shandong, China, China(mainland)
- Brand Name : HW
- Model Number : B22
- Type : Drill Pipe
- Machine Type : Drilling Tool
- Material : 55SiMnMoV
- Processing Type : Forging
- Use : mining , quarry
- Product name : T45 extension drilling rod drill pipe for mining quarry
- Taper degree : 4,6,7,11,12
- Drilling rod length : 0.8-6m
- Shank : Hex22x108mm, Hex25mmx159mm
- Application : connected with rock drill and rock bit
- Color : As customers’ requirement
- Usage: : Small Hole Drilling
- Price : factory price
- quality : high quality
- Certification : GB Standard
