1000mm rotary rock drilling bucket and 900mm core barrel with bullet teeth
2022/10/12 17:07:12
Two rotary rock drilling buckets, the outer diameter 1000mm, that's the drilling diameter is 1000mm. Barrel length 1200mm, wall thickness 20mm, kelly box 200mm.
Core barrel with bullet teeth, outer diameter 900mm, barrel length 1200mm, wall thickness 16mm, kelly box 150mm.
Now, these three rotary drilling tools have finished painting and awaiting final packaging, then they will be shipped to overseas destination port, to do contribution for civil geological engineer the foundation borehole piling work.