2inch Grouting Pipe Civil Engineering Grout Injection Pipe
Self Drilling Hollow Rock Soil Anchor Bolt For Tunneling Cons
| | 2inch grouting pipe civil engineering grout injection pipe self drilling hollow rock and soil anchor bolt for tunneling construction |
| | API, ASTM, BS, DIN, GB, API 5CT, API 5L, ASTM A106-2006 |
| | SS330 SS400 Gr.C Gr.D S235JR 16mn A53-A369 API J55-API P110 Q195-Q345 |
| | 0.5 - 20 mm |
| | 20 - 660 mm |
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| | Non-Alloy |
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