Forage fond de trou

Thrust boring also works in hard ground. The down-the-hole hammer bashes through stones and bedrock.
We can drill through large stones and bedrock at the following diameters:
DN 300
DN 400
DN 500
DN 600
DN 800
DN 1000

using 8 inch to 12 inch down-the-hole hammers

1 STARTING PIT
2 TARGET PIT
3 HYDRAULICS
4 THRUST BORING MACHINE
9 DTH HAMMER