New: self-drilling

sinorock (30)in soil • 2 years ago
New Trend! Self-Drilling Soil Nails Support Unstable Conditions!
The foundation pit support technology is a hot spot and a difficulty in the current engineering circles. Soil nail support is a new form of foundation pit support, which can play a role in the…
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sinorock (30)in self-drilling • 2 years ago
Characteristics and Thread Processing Method of Hollow Bar of Self-drilling Rock Bolt
The self-drilling anchor bolt system is composed of a hollow anchor bar, coupler, nut, drill bit, plate, and centralizer. It can combine drilling, grouting, and anchoring in one process. The…
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