Free-fall drilling is the most ancient way of drilling in the world, but because of its simplicity and minimal cost relevant to this day in regions with loose and loose rocks.
Bailer is a tube with welded key and shoe with opening valve.
Length - 2.0 m
Diameter - 108 mm
Pipe material - steel 20
Shoe material - steel 40X
Connection - lock (cone) thread Z-63.5
Main Warehouse in SPB: none
Warehouse in Ekaterinburg: none
Warehouse in Moscow: none
Warehouse in Krasnoyarsk: none
Warehouse in Irkutsk: none
Price from $ 495.91